"Pseudo-MPEC" for C/2005G1

Created Wed Apr 20 20:24:29 2005 using Find_Orb

 Astrometry 
 Observing stations 
 Orbital elements 
 Residuals 
 Ephemeris 

Astrometry:
    CK05G010  C2005 03 22.46998 18 15 30.29 +43 47 41.8          19.2 N      704
    CK05G010  C2005 03 22.48079 18 15 30.12 +43 47 50.3          19.3 N      704
    CK05G010  C2005 03 22.49155 18 15 29.95 +43 48 00.1          19.4 N      704
    CK05G010  C2005 04 01.39390 18 12 30.94 +46 18 37.3          19.1 N      704
    CK05G010  C2005 04 01.40423 18 12 30.58 +46 18 45.4          19.2 Nx     704
    CK05G010  C2005 04 01.42491 18 12 30.11 +46 19 05.3          19.6 N      704
    CK05G010  C2005 04 01.43528 18 12 29.89 +46 19 15.2          19.4 N      704
    CK05G010  C2005 04 02.31817 18 12 07.55 +46 32 51.1          18.6 N      734
    CK05G010  C2005 04 02.32260 18 12 07.52 +46 32 54.1          18.8 Nx     734
    CK05G010  C2005 04 02.32704 18 12 07.33 +46 32 58.8          18.6 N      734
    CK05G010  C2005 04 02.48125 18 12 03.29 +46 35 22.5          19.5 N      673
    CK05G010  C2005 04 02.49410 18 12 02.90 +46 35 33.9                      673
    CK05G010  C2005 04 02.50972 18 12 02.61 +46 35 49.1                      673
    CK05G010  C2005 04 02.51840 18 12 02.29 +46 35 57.0                      673
    CK05G010  C2005 04 03.00017 18 11 49.58 +46 43 21.4                      J95
    CK05G010  C2005 04 03.00616 18 11 49.40 +46 43 27.4                      J95
    CK05G010  C2005 04 03.01179 18 11 49.24 +46 43 32.5          18.8 N      J95
    CK05G010  C2005 04 03.07081 18 11 47.73 +46 44 27.4               N      461
    CK05G010  C2005 04 03.07302 18 11 47.62 +46 44 29.6                      461
    CK05G010  C2005 04 03.07532 18 11 47.55 +46 44 31.9                      461
    CK05G010  C2005 04 03.07753 18 11 47.48 +46 44 33.6                      461
    CK05G010  C2005 04 03.33558 18 11 40.74 +46 48 30.1          18.4 Nx     H06
    CK05G010  C2005 04 03.34117 18 11 40.36 +46 48 37.7          19.1 N      734
    CK05G010  C2005 04 03.34592 18 11 40.31 +46 48 42.4          18.8 N      734
    CK05G010  C2005 04 03.34949 18 11 40.30 +46 48 45.2          18.5 Nx     734
    CK05G010  C2005 04 03.37337 18 11 39.62 +46 49 05.7          18.8 Nx     H06
    CK05G010  C2005 04 03.40597 18 11 38.27 +46 49 40.9          19.2 Nx     H06
    CK05G010  C2005 04 04.09708 18 11 19.25 +47 00 17.2          19.2 N      012
    CK05G010  C2005 04 04.11343 18 11 18.94 +47 00 33.8          19.4 Nx     012
    CK05G010  C2005 04 04.11648 18 11 18.74 +47 00 35.2          18.6 N      012
    CK05G010  C2005 04 04.12574 18 11 18.45 +47 00 45.0                      118
    CK05G010  C2005 04 04.12807 18 11 18.41 +47 00 46.1                      118
    CK05G010  C2005 04 04.13156 18 11 18.26 +47 00 50.0                      118
    CK05G010  C2005 04 04.13389 18 11 18.38 +47 00 52.1                x     118
    CK05G010  C2005 04 04.13594 18 11 18.16 +47 00 52.8          18.8 N      012
    CK05G010  C2005 04 04.15538 18 11 17.66 +47 01 11.2          18.8 N      012
    CK05G010  C2005 04 04.25863 18 11 14.77 +47 02 46.4          19.4 N      651
    CK05G010  C2005 04 04.26190 18 11 14.64 +47 02 50.1          19.3 N      651
    CK05G010  C2005 04 04.26413 18 11 14.61 +47 02 52.3          19.3 N      651
    CK05G010  C2005 04 04.36668 18 11 11.60 +47 04 27.8          19.1 N      850
    CK05G010  C2005 04 04.37866 18 11 11.24 +47 04 37.8          19.3 Nx     850
    CK05G010  C2005 04 04.39075 18 11 10.83 +47 04 49.7          18.8 N      850
    CK05G010  C2005 04 04.39344 18 11 10.83 +47 04 51.7          18.8 T      704
    CK05G010  C2005 04 04.40309 18 11 10.48 +47 05 01.6          19.2 N      850
    CK05G010  C2005 04 04.40384 18 11 10.51 +47 05 02.2          19.0 T      704
    CK05G010  C2005 04 04.41504 18 11 10.21 +47 05 12.6          19.6 T      704
    CK05G010  C2005 04 04.43638 18 11 09.60 +47 05 32.2          19.0 T      704
    CK05G010  C2005 04 05.12653 18 10 49.27 +47 16 10.9                      118
    CK05G010  C2005 04 05.13003 18 10 49.16 +47 16 15.1          19.0 N      118
    CK05G010  C2005 04 05.13735 18 10 48.91 +47 16 22.4                      118
    CK05G010  C2005 04 05.44111 18 10 39.82 +47 21 03.9          19.2 T      704
    CK05G010  C2005 04 05.45109 18 10 39.43 +47 21 13.2          19.0 T      704
    CK05G010  C2005 04 05.47128 18 10 38.90 +47 21 33.1          19.3 Tx     704
    CK05G010  C2005 04 05.48276 18 10 38.48 +47 21 41.6          19.3 T      704
    CK05G010  C2005 04 05.67213 18 10 32.75 +47 24 39.8          18.6 Tx     360
    CK05G010  C2005 04 05.67749 18 10 32.62 +47 24 44.8                x     360
    CK05G010  C2005 04 05.68211 18 10 32.45 +47 24 48.9                x     360
    CK05G010  C2005 04 05.72153 18 10 31.25 +47 25 23.5          18.5 T      372
    CK05G010  C2005 04 05.74653 18 10 30.45 +47 25 47.0                      372
    CK05G010  C2005 04 05.83062 18 10 27.94 +47 27 02.9          19.3 N      104
    CK05G010  C2005 04 05.83714 18 10 27.72 +47 27 09.0          19.6 N      104
    CK05G010  C2005 04 05.84410 18 10 27.54 +47 27 15.4          19.7 N      104
    CK05G010  C2005 04 06.40415 18 10 09.86 +47 35 56.8          18.8 T      704
    CK05G010  C2005 04 06.41371 18 10 09.52 +47 36 06.2          19.0 Tx     704
    CK05G010  C2005 04 06.42410 18 10 09.21 +47 36 16.7          19.3 Tx     704
    CK05G010  C2005 04 06.43375 18 10 08.93 +47 36 24.5          19.3 T      704
    CK05G010  C2005 04 06.44334 18 10 08.57 +47 36 32.8          19.3 T      704
    CK05G010  C2005 04 10.92157 18 07 30.66 +48 45 39.0          18.6 N      213
    CK05G010  C2005 04 10.98616 18 07 28.08 +48 46 38.8          18.6 N      213
    CK05G010  C2005 04 10.99967 18 07 27.50 +48 46 51.7          18.6 N      213
    CK05G010  C2005 04 11.04652 18 07 25.69 +48 47 34.8          18.6 N      213
    CK05G010   2005 04 13.71667 18 05 35.65 +49 28 35.3          18.5 Tx     372
    CK05G010  C2005 04 13.71878 18 05 35.64 +49 28 36.8                x     D83
    CK05G010  C2005 04 13.72188 18 05 35.58 +49 28 40.2                x     D83
    CK05G010  C2005 04 13.72500 18 05 35.34 +49 28 42.4                x     D83
    CK05G010  C2005 04 13.72810 18 05 35.18 +49 28 45.5          18.1 Tx     D83
    CK05G010   2005 04 13.73889 18 05 34.72 +49 28 55.3                x     372
    CK05G010  C2005 04 13.99033 18 05 23.85 +49 32 47.4                      213
    CK05G010  C2005 04 14.00260 18 05 23.32 +49 32 58.5                      213
    CK05G010  C2005 04 14.64493 18 04 54.75 +49 42 47.8          18.5 N      400
    CK05G010  C2005 04 14.65426 18 04 54.30 +49 42 56.2          18.4 N      400
    CK05G010  C2005 04 14.66284 18 04 53.86 +49 43 03.1          19.1 N      400
    CK05G010  C2005 04 14.67038 18 04 53.63 +49 43 11.2          18.5 T      360
    CK05G010  C2005 04 14.67397 18 04 53.48 +49 43 14.2                      360
    CK05G010  C2005 04 14.67880 18 04 53.22 +49 43 19.2                      360
    CK05G010   2005 04 14.69792 18 04 52.43 +49 43 34.9          18.4 Tx     372
    CK05G010  C2005 04 15.38078 18 04 21.18 +49 54 01.7          19.1 N      850
    CK05G010  C2005 04 15.39351 18 04 20.58 +49 54 13.2          19.1 N      850
    CK05G010  C2005 04 15.40584 18 04 19.98 +49 54 24.6          19.2 N      850
    CK05G010  C2005 04 16.78586 18 03 14.59 +50 15 23.9          18.3 Tx     D74
    CK05G010  C2005 04 16.79036 18 03 14.42 +50 15 27.9          18.2 Tx     D74
    CK05G010  C2005 04 16.79498 18 03 14.21 +50 15 31.9          18.3 T      D74
    CK05G010  C2005 04 16.97076 18 03 05.60 +50 18 10.2          18.9 N      213
    CK05G010  C2005 04 16.98982 18 03 04.74 +50 18 27.3          18.9 N      213
    CK05G010  C2005 04 16.99205 18 03 04.62 +50 18 29.3          18.9 N      213
    CK05G010  C2005 04 17.02230 18 03 03.14 +50 18 57.9                      232

Station data:
(012) Uccle (N50.7986 E4.3582).
(104) San Marcello Pistoiese  (N44.0631 E10.8042).
(118) Astronomical and Geophysical Observatory, Modra (N48.3732 E17.2740).
    Observers S. Gajdos, A. Galad.  0.6-m f/5.5 reflector + CCD.
(213) Observatorio Montcabre (N41.5186 E2.3850).   Observer R. Naves.
    Measurer M. Campas.  0.30-m f/5.5 Schmidt-Cassegrain + CCD.
(232) Masquefa Observatory  (N41.5085 E1.3317).   Observer E. Reina.  0.25-m
    f/6.3 Schmidt-Cassegrain + CCD.
(360) Kuma Kogen  (N33.6743 E132.9442).   Observer A. Nakamura.  0.60-m f/5.8
    Ritchey-Chretien + CCD.
(372) Geisei  (N33.5266 E133.8276).
(400) Kitami  (N43.7584 E143.7827).
(461) Szeged University, Piszkesteto Stn. (Konkoly) (N47.9181 E19.8943).
(651) Grasslands Observatory, Tucson  (N31.6705 W110.5808).
(673) Table Mountain Observatory, Wrightwood (N34.3818 W117.6809).   Observer
    W. M. Owen Jr.  0.61-m f/16 reflector + CCD.
(704) Lincoln Laboratory ETS, New Mexico (N33.8184 W106.6591).   Observers M.
    Blythe, F. Shelly, M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres,
    T. Brothers, S. Partridge.  Measurers J. Stuart, R. Sayer, J. Evans, P.
    Hopman.  1.0-m f/2.15 reflector + CCD.
(734) Farpoint Observatory, Eskridge  (N38.8901 W96.0014).   Observer G. Hug.
    .3 meter s-c + CCD.
(850) Cordell-Lorenz Observatory, Sewanee  (N35.2041 W85.9198).
(D74) Nakagawa  (N33.9489 E134.6819).
(D83) Miwa  (N36.4964 E138.4681).
(H06) New Mexico Skies Observatory (N32.9039 W105.5289).
(J95) Great Shefford  (N51.4749 W1.4469).   Observer P. Birtwhistle.  0.30-m
    f/6.3 Schmidt-Cassegrain + CCD.

Orbital elements:
C/2005G1
   Perihelion 2006 Feb 27.039613 TT
Epoch 2005 Mar 31.0 TT = JDT 2453460.5
M 359.99311              (2000.0)            P               Q
n   0.00002067     Peri.  113.73957     -0.45021961     -0.34135948     
a1314.7977408      Node   299.58569     -0.15525625      0.93989136     
e   0.9962251      Incl.  108.41426      0.87931666     -0.00882813     
P  47674           H    7.9                         q 4.9631304
From 72 observations 2005 Mar. 22-Apr. 17;   RMS error 0.560 arcseconds

Residuals in arcseconds:
050322 704  .21+  .70+    050404 118  .17-  .34+    050406 704( .49-  1.6+)   
050322 704  .15-  .54-    050404 118( 1.7+  .27+)   050406 704  .14-  .44+    
050322 704  .51-  .43-    050404 012  .09-  .80-    050406 704  .62-  .18-    
050401 704  .90+  .34+    050404 012  .57+  .45-    050410 213  .56+  .31-    
050401 704( .14-  1.1-)   050404 651  .14+  .34-    050410 213  .09-  .56-    
050401 704  .39+  .43-    050404 651  .24-  .31+    050410 213  .60-  .22-    
050401 704  .83+  .14-    050404 651  .11+  .43+    050411 213  .26-  .64-    
050402 734  .22-  .28+    050404 850  .06+  .06+    050413 372( .64-  .89-)   
050402 734( .67+  .84-)   050404 850( .01-  1.1-)   050413 D83( .29+  1.3-)   
050402 734  .09-  .27-    050404 850  .55-  .42-    050413 D83( 1.0+  .76-)   
050402 673  .05+  .32+    050404 704  .14-  .75-    050413 D83( .04+  1.4-)   
050402 673  .41-  .20-    050404 850  .39-  .02+    050413 D83( .19-  1.2-)   
050402 673  .93+  .52+    050404 704  .28-  .07+    050413 372( .15-  1.4-)   
050402 673  .04+  .38+    050404 704  .02+  .04+    050413 213  .35+  .53+    
050403 J95  .21-  .12+    050404 704  .24+  .21-    050414 213  .46+  .30+    
050403 J95  .40-  .55+    050405 118  .11+  .84-    050414 400  .12+  .36+    
050403 J95  .49-  .41+    050405 118  .08+  .11+    050414 400  .14-  .17+    
050403 461  .64+  .15+    050405 118  .19-  .61+    050414 400  .62-  .83-    
050403 461  .13+  .29+    050405 704  .09+  .19+    050414 360  .18+  .23+    
050403 461  .06+  .46+    050405 704  .72-  .21+    050414 360  .31+  .08-    
050403 461  .03-  .11+    050405 704( .29+  1.4+)   050414 360  .08-  .47+    
050403 H06( 2.0+  2.2-)   050405 704  .33-  .81-    050414 372( .73+  1.5-)   
050403 734  .17-  .15+    050405 360( .69-  2.4+)   050415 850  .19+  .19+    
050403 734  .67+  .43+    050405 360( .31-  2.4+)   050415 850  .18+  .03+    
050403 734( 1.6+  .09-)   050405 360( .58-  2.1+)   050415 850  .01-  .15+    
050403 H06( 1.2+  1.8-)   050405 372  .24-  .02-    050416 D74( .04+  .82+)   
050403 H06( 3.3-  3.0+)   050405 372  .39-  .20+    050416 D74( .54+  .73+)   
050404 012  .45-  .30-    050405 104  .37+  .36-    050416 D74  .72+  .52+    
050404 012( 1.2+  1.1+)   050405 104  .16+  .33-    050416 213  .77-  .14-    
050404 012  .07+  .33-    050405 104  .49+  .41-    050416 213  .02-  .47-    
050404 118  .04+  .74+    050406 704  .47-  .29+    050416 213  .12-  .51-    
050404 118  .33+  .33-    050406 704( .77-  .79+)   050417 232  .01-  .44+    

Ephemerides (For E, N):
Date (UT)     RA              Dec         delta   r     elong mag
-- --- ----  ------------   ------------  ------ ------ ----- ---
 1 Jan 2005  17 53 51.385   +29 42 59.58  6.4269 5.9057  54.2 19.7
 2 Jan 2005  17 54 20.831   +29 48 14.58  6.4193 5.9017  54.4 19.6
 3 Jan 2005  17 54 50.234   +29 53 37.57  6.4117 5.8977  54.7 19.6
 4 Jan 2005  17 55 19.586   +29 59 08.60  6.4038 5.8938  54.9 19.6
 5 Jan 2005  17 55 48.877   +30 04 47.68  6.3959 5.8898  55.2 19.6
 6 Jan 2005  17 56 18.098   +30 10 34.87  6.3878 5.8858  55.4 19.6
 7 Jan 2005  17 56 47.238   +30 16 30.18  6.3795 5.8819  55.7 19.6
 8 Jan 2005  17 57 16.287   +30 22 33.66  6.3711 5.8779  56.0 19.6
 9 Jan 2005  17 57 45.236   +30 28 45.32  6.3626 5.8740  56.3 19.6
10 Jan 2005  17 58 14.072   +30 35 05.19  6.3539 5.8700  56.6 19.6