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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016777322276146 4.7875e-08  
a 2.448582306088296 1.065e-08 au
q 1.954757779423746 1.1988e-07 au
i 2.256909812323188 5.7605e-06 deg
node 174.9449851358827 0.00010371 deg
peri 230.6928296209726 0.00010463 deg
M 322.618610573202 1.3486e-05 deg
tp 2459145.819343103753
(2020-Oct-23.31934310)
5.2811e-05 TDB
period 1399.492215766802
3.83
9.1307e-06
2.5e-08
d
yr
n .2572361574749817 1.6783e-09 deg/d
Q 2.942406832752847 1.2798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      7964 days (21.80 yr)  
   first obs. used      1997-10-30  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:53  

Additional Information
 Earth MOID = .965048 au 
 Jupiter MOID = 2.45335 au 
 T_jup = 3.468 
[ 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 16.0   n/a MPO436373  

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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