(8469) = 0008469

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

Former Status
302 observations from 1981 Jan. 1 to 2005 Dec. 8
Last observed on 2005 Dec. 8

2005-12-11T02:26:32.60 2005-12-11T02:50:01.45 2005-12-11T03:14:36.45


AirMass


Relative Extinction


Sky Background

Fig. 1 - From 2005-12-11T02:15:27.00 to 2005-12-11T03:26:48.00

08469         C2005 12 11.10177 04 26 06.97 +35 48 37.7          17.2 V      H85
08469         C2005 12 11.11807 04 26 05.92 +35 48 35.0                      H85
08469         C2005 12 11.13514 04 26 04.80 +35 48 32.3                      H85
Fig. 2 - Measures


Fig. 3 - Fit to Ephemerid with Offset removed
One vertical Tick = 1 arcsec
Sigma Fit (arcsec): RA=0.13 DC=0.17
Offset O-C (arcsec): RA=+0.49 DC=-0.88
Along Orbit and Transversal: LO=-0.42 TR=+0.87
Means Motion ("/h): RA=-32.96 DC=-6.74

New orbital Elements

Parameter Unit Value 
Ascending Node      (°)  357.43827
Inclination         (°)    9.18836
Semi-major Axis    (AU)    2.8005040
Eccentricity               0.1633123
Perihelia Argument  (°)  350.23262
Period             (yr)    4.69
Absolute Magnitude        13.7
Diameter Range     (km)    4.7-10.7

Follow-Up

Formerly Unidentified Observations of (8469)
20051211  H85   +0.2 -0.4  
20051211  H85   +0.4 -0.6  
20051211  H85   +0.4 -0.6  
20051224  704   +0.9 +0.4  
20051224  704   +0.8 +0.5  
20051224  704   +0.7 +0.4  
20051224  704   +0.3 -0.3  
20051224  704   +0.5 -0.3  
20060107  704   -0.9 -0.4  
20060107  704   +0.3 -0.9  
20060107  704   -1.8 +0.0  


20060107  704   -1.9 -0.2  
20060107  704   -1.3 -1.5  
20060122  703   +0.1 +0.3  
20060122  703   -0.1 +0.2  
20060220  704   -0.1 -0.6  
20060220  704   +0.1 -0.4  
20060220  704   +0.3 -0.4  
20060220  704   -0.9 +0.9  
20060227  703   -0.3 -0.8  
20060227  703   -0.6 -0.5  
20060227  703   -0.2 +0.0  


20060318  704   +0.3 +0.6  
20060318  704   +0.6 +0.5  
20060318  704   +0.3 +0.4  
20060318  704   +0.7 +0.3  
20060318  704   -0.1 +0.0  
20060323  704   -0.9 -0.5  
20060323  704   +0.1 +1.0  
20060323  704   +0.3 -0.1  
20060323  704   +0.6 +0.2  
20060323  704   +0.9 +0.2
Further observations? None needed at this time.

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Updated on 2006/03/30 08:44