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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05157411438081529 4.9356e-08  
a 2.568005491952486 1.7302e-08 au
q 2.435562882979966 1.27e-07 au
i 12.98722869653954 5.3733e-06 deg
node 213.105624444272 2.2044e-05 deg
peri 77.64536638598703 7.6169e-05 deg
M 251.7501432647603 7.898e-05 deg
tp 2458052.477877777576
(2017-Oct-25.97787778)
0.00033189 JED
period 1503.115485851334
4.12
1.5191e-05
4.159e-08
d
yr
n .2395025554514218 2.4205e-09 deg/d
Q 2.700448100925005 1.8195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1303  
   data-arc span      14039 days (38.44 yr)  
   first obs. used      1977-11-11  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48073  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:06:55  

Additional Information
 Earth MOID = 1.45765 au 
 Jupiter MOID = 2.37143 au 
 T_jup = 3.393 
[ 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 13.0 mag n/a MPO365368  

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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