(57909) = 57909

ORIGIN  = 'H85 Silver Spring'
TELESCOP= '0.45-m f/7.25 Ritchey-Chretien + 3072x2054 CCD'
OBSERVER= 'K. Levin'
MEASURER= 'J. C. Pelle'

Former Status
51 observations from 1996 Jan. 1 to 2006 Feb. 24
Last observed on 2006 Feb. 24

2006-02-27T02:11:32.33 2006-02-27T03:19:50.75


AirMass


Relative Extinction


Sky Background

Fig. 1 - From 2006-02-27T01:40:52.00 to 2006-02-27T03:52:13.00

57909         C2006 02 27.09135 09 22 48.25 +30 59 25.0          19.6 V      H85
57909         C2006 02 27.13878 09 22 45.32 +30 59 12.0                      H85
Fig. 2 - Measures


Fig. 3 - Fit to Ephemerid with Offset removed
One vertical Tick = 1 arcsec
Sigma Fit (arcsec): RA=0.17 DC=0.08
Offset O-C (arcsec): RA=+0.75 DC=-1.67
Along Orbit and Transversal: LO=-0.27 TR=+1.59
Means Motion ("/h): RA=-33.10 DC=-11.42

New orbital Elements

Parameter Unit Value 
Ascending Node      (°)    4.25597
Inclination         (°)   13.59390
Semi-major Axis    (AU)    2.5704661
Eccentricity               0.1127839
Perihelia Argument  (°)  106.42481
Period             (yr)    4.12
Absolute Magnitude        16.1
Diameter Range     (km)    1.6-3.6

Follow-Up

Formerly Unidentified Observations of (57909)
20060227  H85   +0.2 -0.5  
20060227  H85   -0.3 -0.3  


20060228  703   -0.6 -0.7  
20060228  703   -0.6 +0.1  


20060228  703   +0.1 +0.1  
20060228  703   +0.0 +0.1
Further observations? None needed at this time.

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Updated on 2006/04/18 07:40