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85307 (1994 WN)
Classification: Main-belt Asteroid          SPK-ID: 2085307
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2150850599956337 3.0436e-08  
a 2.32004862645856 6.0151e-09 au
q 1.821040828443933 6.9337e-08 au
i 4.670616134909732 3.7041e-06 deg
node 269.2893404899961 4.7027e-05 deg
peri 167.3309543677626 4.8101e-05 deg
M 71.3687449259656 1.0093e-05 deg
tp 2458744.612178629664
(2019-Sep-18.11217863)
3.5875e-05 TDB
period 1290.755719312162
3.53
5.0197e-06
1.374e-08
d
yr
n .2789063760196564 1.0847e-09 deg/d
Q 2.819056424473187 7.3088e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      9284 days (25.42 yr)  
   first obs. used      1994-11-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:35:19  

Additional Information
 Earth MOID = .836751 au 
 Jupiter MOID = 2.44557 au 
 T_jup = 3.543 
[ 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 MPO348039  

85307 (1994 WN)          Discovered 1994-Nov-25 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1994 WN = 1999 FC46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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