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JPL Small-Body Database Browser
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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 ]

[ 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 .215085060490822 3.085e-08  
a 2.320048626414677 6.1708e-09 au
q 1.821040827260628 7.0499e-08 au
i 4.670617106514833 3.873e-06 deg
node 269.2893359066916 4.7515e-05 deg
peri 167.3309589057599 4.86e-05 deg
M 71.36874502218963 1.0263e-05 deg
tp 2458744.612178291919
(2019-Sep-18.11217829)
3.645e-05 TDB
period 1290.755719275541
3.53
5.1497e-06
1.41e-08
d
yr
n .2789063760275695 1.1127e-09 deg/d
Q 2.819056425568726 7.498e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      9203 days (25.20 yr)  
   first obs. used      1994-11-25  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:29:49  

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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