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117880 (2651 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117880
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2220342525960721 8.5713e-08  
a 2.520949860163641 8.6498e-09 au
q 1.961212642130034 2.1714e-07 au
i 4.884440080620247 8.2036e-06 deg
node 355.5079493690895 4.0999e-05 deg
peri .3845861486416043 4.2378e-05 deg
M 333.5917332547237 9.6383e-06 deg
tp 2459107.746255101194
(2020-Sep-15.24625510)
3.9482e-05 TDB
period 1461.991133641364
4.00
7.5245e-06
2.06e-08
d
yr
n .2462395234253933 1.2673e-09 deg/d
Q 3.080687078197248 1.057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      21412 days (58.62 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:10  

Additional Information
 Earth MOID = .956794 au 
 Jupiter MOID = 2.36432 au 
 T_jup = 3.416 
[ 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 15.9   n/a MPO254010  

117880 (2651 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 ]
Alternate Designations
 2651 P-L = 1992 SE17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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