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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950312899556316 1.0693e-07  
a 2.715876987792878 2.8699e-08 au
q 2.186195995502818 2.8505e-07 au
i 28.33628399550587 1.1064e-05 deg
node 66.72754658410939 2.1201e-05 deg
peri 338.2115295077793 3.4053e-05 deg
M 52.18980993121745 2.5599e-05 deg
tp 2457163.500852315471
(2015-May-21.00085232)
0.00011496 JED
period 1634.796012456757
4.48
2.5912e-05
7.094e-08
d
yr
n .2202109604237382 3.4905e-09 deg/d
Q 3.245557980082939 3.4296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      362  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1992-09-04  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58439  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:15:23  

Additional Information
 Earth MOID = 1.21109 au 
 Jupiter MOID = 2.15703 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 14.6 mag n/a MPO309781  

85212 (1992 RF)          Discovered 1992-Sep-04 by McNaught, R. H. at Siding Spring
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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