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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117395177858251 5.1122e-08  
a 2.557035323596016 1.1354e-08 au
q 2.256851706992631 1.3568e-07 au
i 13.17214696568869 5.7008e-06 deg
node 184.8142696624418 1.4086e-05 deg
peri 56.61179486473129 2.5709e-05 deg
M 71.30712451007386 2.1028e-05 deg
tp 2459100.675634906685
(2020-Sep-08.17563491)
8.6597e-05 TDB
period 1493.494123697952
4.09
9.9475e-06
2.723e-08
d
yr
n .2410454746943533 1.6055e-09 deg/d
Q 2.8572189401994 1.2687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      22201 days (60.78 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:37:38  

Additional Information
 Earth MOID = 1.27554 au 
 Jupiter MOID = 2.1772 au 
 T_jup = 3.391 
[ 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 15.32   n/a E2021B10  

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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