(91576) = 91576

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

Former Status
105 observations from 1999 Jan. 1 to 2006 Feb. 22
Last observed on 2006 Feb. 22

2006-02-27T04:15:47.43 2006-02-27T04:32:31.87


AirMass


Relative Extinction


Sky Background

Fig. 1 - From 2006-02-27T04:07:57.00 to 2006-02-27T04:41:18.00

91576         C2006 02 27.17763 10 30 04.03 +21 16 33.8          19.4 V      H85
91576         C2006 02 27.18926 10 30 03.31 +21 16 35.6                      H85
Fig. 2 - Measures


Fig. 3 - Fit to Ephemerid with Offset removed
One vertical Tick = 1 arcsec
Sigma Fit (arcsec): RA=0.07 DC=0.19
Offset O-C (arcsec): RA=-0.21 DC=-0.24
Along Orbit and Transversal: LO=+0.19 TR=+0.24
Means Motion ("/h): RA=-36.06 DC=+6.45

New orbital Elements

Parameter Unit Value 
Ascending Node      (°)    3.18410
Inclination         (°)   15.32580
Semi-major Axis    (AU)    2.6863213
Eccentricity               0.2301454
Perihelia Argument  (°)  337.86200
Period             (yr)    4.40
Absolute Magnitude        14.2
Diameter Range     (km)    3.8-8.5

Follow-Up

Formerly Unidentified Observations of (91576)
20060227  H85   +0.0 -0.4  
20060227  H85   -0.2 -0.1  
20060228  703   +0.3 -0.8  
20060228  703   +0.4 +0.2  
20060228  703   +0.1 -0.4  
20060228  703   +0.2 +0.1  


20060309  703   -0.5 -1.1  
20060309  644   +0.6 -0.1  
20060309  703   -0.1 +0.2  
20060309  703  (-2.1 -0.3) 
20060309  703   -1.3 +0.6  
20060309  644   +0.3 +0.4  


20060309  644   +0.7 +0.3  
20060325  703   -0.8 -0.6  
20060325  703   +0.1 -0.5  
20060325  703   -0.9 -1.5  
20060325  703   -0.5 +0.5
Further observations? None needed at this time.

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Updated on 2006/04/18 07:41