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9968 Serpe (1992 JS2)
Classification: Main-belt Asteroid          SPK-ID: 2009968
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05247065901476788 6.0867e-08  
a 2.56623141736858 2.1079e-08 AU
q 2.431579563714849 1.5226e-07 AU
i 12.98359714989841 7.5544e-06 deg
node 213.1479567326199 2.4418e-05 deg
peri 77.86611582053668 7.9087e-05 deg
M 107.6979894219608 7.9265e-05 deg
tp 2456551.292241961962
(2013-Sep-15.79224196)
0.00032922 JED
period 1501.5581420011
4.11
1.85e-05
5.065e-08
d
yr
n .2397509559771255 2.9539e-09 deg/d
Q 2.700883271022311 2.2185e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      963  
   data-arc span      13539 days (37.07 yr)  
   first obs. used      1977-11-11  
   last obs. used      2014-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48744  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:32:01  

Additional Information
 Earth MOID = 1.45545 AU 
 T_jup = 3.394 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO319210  

9968 Serpe           Discovered 1992 May 4 by H. Debehogne at the European Southern Observatory.
Jean Nicolas François Jules Serpe (1914-2001) was the theoretical-physics professor of the discoverer at the University of Liege and was a member of the Académie royale de Belgique.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24

[ show close-approach data ]
Alternate Designations
 1992 JS2 = 1977 VT = 1985 SC2 = 1988 KR1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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