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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05251869580894543 7.2694e-08  
a 2.566598421804653 2.8151e-08 AU
q 2.431804020026175 1.8794e-07 AU
i 12.98264472960996 8.9876e-06 deg
node 213.1489507293071 3.1483e-05 deg
peri 78.0147677937782 0.00011193 deg
M 59.59846590666053 0.00011616 deg
tp 2456551.861778086354
(2013-Sep-16.36177809)
0.00048295 JED
period 1501.880267003808
4.11
2.4709e-05
6.765e-08
d
yr
n .2396995339170318 3.9436e-09 deg/d
Q 2.701392823583131 2.9629e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      12605 days (34.51 yr)  
   first obs. used      1977-11-11  
   last obs. used      2012-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:30:23  

Additional Information
 Earth MOID = 1.45401 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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