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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952437395499214 1.4443e-07  
a 2.716468506491304 3.8726e-08 AU
q 2.186095036914352 3.9166e-07 AU
i 28.33640060491287 1.4843e-05 deg
node 66.73686768108971 2.7689e-05 deg
peri 338.1261810751014 4.0292e-05 deg
M 280.1422998604401 3.0653e-05 deg
tp 2457163.260286533696
(2015-May-20.76028653)
0.00014299 JED
period 1635.330130017568
4.48
3.497e-05
9.574e-08
d
yr
n .2201390370005184 4.7075e-09 deg/d
Q 3.246841976068256 4.6287e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      332  
   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      .59632  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 13:56:19  

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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