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85536 (1997 WN31)
Classification: Main-belt Asteroid          SPK-ID: 2085536
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018935091182114 4.1034e-08  
a 2.449179473533586 7.6082e-09 au
q 1.954706035161597 1.001e-07 au
i 2.256936228582429 3.9122e-06 deg
node 174.9370082627831 9.5608e-05 deg
peri 230.7380488495254 9.6318e-05 deg
M 64.43428947521033 8.5085e-06 deg
tp 2459145.921453108585
(2020-Oct-23.42145311)
3.3392e-05 TDB
period 1400.004215389311
3.83
6.5235e-06
1.786e-08
d
yr
n .2571420828900089 1.1982e-09 deg/d
Q 2.943652911905576 9.1442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1997-10-30  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:25  

Additional Information
 Earth MOID = .964456 au 
 Jupiter MOID = 2.45398 au 
 T_jup = 3.467 
[ 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 16.13   n/a MPCxxxxx  

85536 (1997 WN31)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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