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78462 (2002 RQ37)
Classification: Main-belt Asteroid          SPK-ID: 2078462
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07233931140312874 5.175e-08  
a 2.516330467319833 1.4877e-08 au
q 2.334300854051203 1.3159e-07 au
i 3.447736207163735 4.4463e-06 deg
node 248.1059476677787 8.4733e-05 deg
peri 317.4204542646953 8.9226e-05 deg
M 289.9196264216272 2.8789e-05 deg
tp 2459284.320557231866
(2021-Mar-10.82055723)
0.00011728 TDB
period 1457.974542461681
3.99
1.2929e-05
3.54e-08
d
yr
n .2469178915786601 2.1897e-09 deg/d
Q 2.698360080588463 1.5953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      678  
   data-arc span      7361 days (20.15 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:24:46  

Additional Information
 Earth MOID = 1.33093 au 
 Jupiter MOID = 2.27233 au 
 T_jup = 3.453 
[ 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 15.5   n/a MPO453205  
diameter diameter 2.545 km 0.609 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78462 (2002 RQ37)          Discovered 2002-Sep-05 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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