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JPL Small-Body Database Browser
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58815 (1998 GR8)
Classification: Main-belt Asteroid          SPK-ID: 2058815
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462404441830596 6.0593e-08  
a 2.801461489189399 2.058e-08 au
q 2.391774516648606 1.6698e-07 au
i 14.52349812620901 6.0445e-06 deg
node 81.60045803272897 1.7901e-05 deg
peri 151.8552174205121 2.2892e-05 deg
M 150.6022968360507 1.4869e-05 deg
tp 2457884.019282937180
(2017-May-10.51928294)
6.8242e-05 TDB
period 1712.676788876649
4.69
1.8873e-05
5.167e-08
d
yr
n .2101972785163541 2.3162e-09 deg/d
Q 3.211148461730193 2.359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7915 days (21.67 yr)  
   first obs. used      1998-04-02  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:04:46  

Additional Information
 Earth MOID = 1.38855 au 
 Jupiter MOID = 1.84552 au 
 T_jup = 3.263 
[ 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 15.4   n/a MPO365931  

58815 (1998 GR8)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20030614/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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