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JPL Small-Body Database Browser
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379898 (2012 JG4)
Classification: Main-belt Asteroid          SPK-ID: 2379898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891968477015091 9.1339e-08  
a 2.618635755339716 3.1641e-08 au
q 2.123198125150981 2.4792e-07 au
i 7.575435620874973 1.1206e-05 deg
node 172.0043450584534 3.6391e-05 deg
peri 157.6363275562355 4.3815e-05 deg
M 246.1129092274631 1.8807e-05 deg
tp 2459490.146963363046
(2021-Oct-02.64696336)
7.8958e-05 TDB
period 1547.786545559944
4.24
2.8052e-05
7.68e-08
d
yr
n .2325902115073383 4.2155e-09 deg/d
Q 3.11407338552845 3.7627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1995-06-04  
   last obs. used      2017-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54287  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 19:32:19  

Additional Information
 Earth MOID = 1.11487 au 
 Jupiter MOID = 2.27266 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO418934  

379898 (2012 JG4)          Discovered 2000-Sep-02 by Comba, P. G. at Prescott
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 JG4 = 2000 RD12 = 2009 WK189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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