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117971 (9613 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117971
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406256781053799 4.9495e-08  
a 2.791353116814022 1.8664e-08 au
q 2.398817191930484 1.3632e-07 au
i 13.96961487520628 6.6633e-06 deg
node 193.7916088962 1.9183e-05 deg
peri 205.1210614044033 2.8998e-05 deg
M 269.8784503517367 2.1621e-05 deg
tp 2459426.929014563586
(2021-Jul-31.42901456)
0.00010374 TDB
period 1703.415507634353
4.66
1.7085e-05
4.678e-08
d
yr
n .21134009781322 2.1197e-09 deg/d
Q 3.183889041697559 2.1289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      21433 days (58.68 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:20  

Additional Information
 Earth MOID = 1.41179 au 
 Jupiter MOID = 2.27675 au 
 T_jup = 3.272 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO396009  

117971 (9613 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 9613 P-L = 2000 GH31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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