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85213 (1992 RN7)
Classification: Main-belt Asteroid          SPK-ID: 2085213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537375501179798 6.0251e-08  
a 3.082164685508435 1.8824e-08 au
q 2.608320237698214 1.8807e-07 au
i 6.331432037538812 6.1921e-06 deg
node 14.25833419030601 4.1802e-05 deg
peri 359.2276094821136 4.5058e-05 deg
M 317.7486251360295 1.5699e-05 deg
tp 2458832.463969369486
(2019-Dec-14.96396937)
8.6556e-05 TDB
period 1976.433411737918
5.41
1.8107e-05
4.957e-08
d
yr
n .1821462832301771 1.6687e-09 deg/d
Q 3.556009133318656 2.1718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      751  
   data-arc span      9920 days (27.16 yr)  
   first obs. used      1992-09-02  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51167  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:09:43  

Additional Information
 Earth MOID = 1.60814 au 
 Jupiter MOID = 1.90556 au 
 T_jup = 3.200 
[ 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 14.7   n/a MPO333525  
diameter diameter 6.808 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85213 (1992 RN7)          Discovered 1992-Sep-02 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1992 RN7 = 2003 SR57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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