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117932 (4781 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117932
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 .1705643104768766 4.8988e-08  
a 2.745122091698654 1.2326e-08 au
q 2.276902234953232 1.3654e-07 au
i 5.002539526947635 5.5021e-06 deg
node 1.824735500832011 4.6976e-05 deg
peri 352.5967980330944 4.875e-05 deg
M 52.47182806599065 1.1767e-05 deg
tp 2458758.361070413906
(2019-Oct-01.86107041)
5.4215e-05 TDB
period 1661.272684103273
4.55
1.1189e-05
3.063e-08
d
yr
n .216701329917022 1.4595e-09 deg/d
Q 3.213341948444076 1.4428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      21681 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:06  

Additional Information
 Earth MOID = 1.27224 au 
 Jupiter MOID = 2.22509 au 
 T_jup = 3.321 
[ 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 15.7   n/a MPO493673  

117932 (4781 P-L)          Discovered 1960-Sep-24 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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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