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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05205553727961246 5.7128e-08  
a 2.567059245478686 1.9004e-08 au
q 2.433429597226696 1.4322e-07 au
i 12.98310349776239 6.9853e-06 deg
node 213.1339041087518 2.2785e-05 deg
peri 77.73062849433238 7.7844e-05 deg
M 203.7554884149358 7.9151e-05 deg
tp 2458052.510417561120
(2017-Oct-26.01041756)
0.00033274 JED
period 1502.284771098744
4.11
1.6682e-05
4.567e-08
d
yr
n .2396349925964453 2.661e-09 deg/d
Q 2.700688893730676 1.9993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      13915 days (38.10 yr)  
   first obs. used      1977-11-11  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48415  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:32  

Additional Information
 Earth MOID = 1.45437 au 
 Jupiter MOID = 2.37145 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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