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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951606620348582 1.2765e-07  
a 2.716121211738184 3.4841e-08 AU
q 2.186041197888438 3.4883e-07 AU
i 28.33597774919061 1.2913e-05 deg
node 66.73176815753624 2.5428e-05 deg
peri 338.1545935977653 3.7051e-05 deg
M 324.1445559028765 2.888e-05 deg
tp 2457163.345121616381
(2015-May-20.84512162)
0.00013271 JED
period 1635.016529793878
4.48
3.146e-05
8.613e-08
d
yr
n .2201812602135492 4.2366e-09 deg/d
Q 3.246201225587928 4.1641e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1992-09-04  
   last obs. used      2014-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56866  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:51:47  

Additional Information
 Earth MOID = 1.21162 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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