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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3008498697395042 8.504e-08  
a 2.79550826404715 2.2305e-08 au
q 1.954479966952857 2.2846e-07 au
i 9.0515863660662 5.7533e-06 deg
node 153.0201886116218 5.4456e-05 deg
peri 236.1878728570798 5.9562e-05 deg
M 213.6462141719165 1.4621e-05 deg
tp 2459694.550478342112
(2022-Apr-25.05047834)
7.1872e-05 TDB
period 1707.220423369572
4.67
2.0432e-05
5.594e-08
d
yr
n .2108690799805812 2.5237e-09 deg/d
Q 3.636536561141443 2.9015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-09-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:40:11  

Additional Information
 Earth MOID = .975373 au 
 Jupiter MOID = 1.87917 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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