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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539638818042466 5.9631e-08  
a 3.082807067028603 1.8027e-08 au
q 2.608166124135315 1.8677e-07 au
i 6.330911916816961 6.1693e-06 deg
node 14.25604317314112 3.9033e-05 deg
peri 359.2949590541136 4.246e-05 deg
M 30.55089939535706 1.5088e-05 deg
tp 2458832.720287834099
(2019-Dec-15.22028783)
8.2677e-05 TDB
period 1977.051333189351
5.41
1.7341e-05
4.748e-08
d
yr
n .1820893539568611 1.5971e-09 deg/d
Q 3.557448009921891 2.0802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      10006 days (27.39 yr)  
   first obs. used      1992-09-02  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:28:36  

Additional Information
 Earth MOID = 1.60882 au 
 Jupiter MOID = 1.90748 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 14.6   n/a MPO502664  
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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