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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05247066304046268 6.3548e-08  
a 2.56623141471671 2.4417e-08 AU
q 2.43157955087126 1.6313e-07 AU
i 12.98359700581893 7.556e-06 deg
node 213.147955489693 2.7529e-05 deg
peri 77.86611480635159 8.0824e-05 deg
M 107.6979928435292 8.0886e-05 deg
tp 2456551.292228386916
(2013-Sep-15.79222839)
0.00033537 JED
period 1501.558139673599
4.11
2.1431e-05
5.867e-08
d
yr
n .2397509563487531 3.4218e-09 deg/d
Q 2.700883278562161 2.5699e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      13501 days (36.96 yr)  
   first obs. used      1977-11-11  
   last obs. used      2014-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50028  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:10:58  

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 12.8 mag n/a MPO231481  

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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