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85031 (2860 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2085031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166882607209112 5.2833e-08  
a 2.555338023015954 1.1266e-08 au
q 2.25716007355621 1.3982e-07 au
i 13.16853364756649 5.9688e-06 deg
node 184.8538197464848 1.4217e-05 deg
peri 56.46376665130597 2.6856e-05 deg
M 335.9345508085361 2.1956e-05 deg
tp 2459100.238408573554
(2020-Sep-07.73840857)
9.1198e-05 TDB
period 1492.007350488827
4.08
9.8668e-06
2.701e-08
d
yr
n .2412856745525101 1.5956e-09 deg/d
Q 2.853515972475698 1.258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      21809 days (59.71 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:15:53  

Additional Information
 Earth MOID = 1.2753 au 
 Jupiter MOID = 2.18226 au 
 T_jup = 3.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO366209  

85031 (2860 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2860 P-L = 2000 LE25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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