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85361 (1995 WO16)
Classification: Main-belt Asteroid          SPK-ID: 2085361
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730890412932634 6.8305e-08  
a 3.178035600649686 3.0852e-08 au
q 2.627952465337371 2.2618e-07 au
i 9.780636491808586 6.5699e-06 deg
node 29.05928829278648 3.1186e-05 deg
peri 201.1143605171902 3.7535e-05 deg
M 293.4672838548821 2.5395e-05 deg
tp 2459382.945289781662
(2021-Jun-17.44528978)
0.00014899 TDB
period 2069.362447507729
5.67
3.0134e-05
8.25e-08
d
yr
n .1739666245676643 2.5333e-09 deg/d
Q 3.728118735962001 3.6192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      392  
   data-arc span      8953 days (24.51 yr)  
   first obs. used      1995-10-15  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58854  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:06  

Additional Information
 Earth MOID = 1.62097 au 
 Jupiter MOID = 1.28069 au 
 T_jup = 3.154 
[ 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 15.4   n/a MPO426528  
rotation period rot_per 2.57 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

85361 (1995 WO16)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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