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85212 (1992 RF)
Classification: Main-belt Asteroid          SPK-ID: 2085212
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952437670097361 1.3259e-07  
a 2.71646851087239 3.5459e-08 AU
q 2.186094965846336 3.608e-07 AU
i 28.33639721960792 1.3287e-05 deg
node 66.73686488992938 2.5738e-05 deg
peri 338.1261688141138 3.729e-05 deg
M 280.1423162307045 2.8473e-05 deg
tp 2457163.260213047982
(2015-May-20.76021305)
0.00013271 JED
period 1635.330133973728
4.48
3.202e-05
8.767e-08
d
yr
n .2201390364679622 4.3103e-09 deg/d
Q 3.246842055898444 4.2382e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1992-09-04  
   last obs. used      2013-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56867  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 16:30:38  

Additional Information
 Earth MOID = 1.21103 AU 
 T_jup = 3.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPC47685  

85212 (1992 RF)          Discovered 1992-Sep-04 by McNaught, R. H. at Siding Spring (413)
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1992 RF = 2001 TX 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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