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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05247066632165162 6.0497e-08  
a 2.566231411915776 2.0537e-08 AU
q 2.431579539797002 1.5071e-07 AU
i 12.98359746798053 7.5251e-06 deg
node 213.1479519670542 2.3598e-05 deg
peri 77.86611999831125 7.8761e-05 deg
M 107.6979923046926 7.9157e-05 deg
tp 2456551.292231369838
(2013-Sep-15.79223137)
0.00032881 JED
period 1501.558137215267
4.11
1.8025e-05
4.935e-08
d
yr
n .2397509567412703 2.8779e-09 deg/d
Q 2.700883284034549 2.1614e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1096  
   data-arc span      13633 days (37.33 yr)  
   first obs. used      1977-11-11  
   last obs. used      2015-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46912  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:36:36  

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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