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JPL Small-Body Database Browser
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390533 (1998 RG2)
Classification: Main-belt Asteroid          SPK-ID: 2390533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3009359538877114 1.0258e-07  
a 2.79537359365225 2.5834e-08 au
q 1.95414517477399 2.7399e-07 au
i 9.051688430596938 5.9804e-06 deg
node 153.022501488689 5.4878e-05 deg
peri 236.24414916 6.7896e-05 deg
M 129.1905259180768 2.0331e-05 deg
tp 2457987.886758480947
(2017-Aug-22.38675848)
9.8811e-05 TDB
period 1707.09705978525
4.67
2.3664e-05
6.479e-08
d
yr
n .2108843184612405 2.9234e-09 deg/d
Q 3.63660201253051 3.3608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      7077 days (19.38 yr)  
   first obs. used      1998-09-15  
   last obs. used      2018-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:28:35  

Additional Information
 Earth MOID = .974391 au 
 Jupiter MOID = 1.87637 au 
 T_jup = 3.242 
[ 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 16.9   n/a MPO245809  

390533 (1998 RG2)          Discovered 1998-Sep-15 by ODAS at Caussols
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 1998 RG2 = 2012 RS29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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