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100898 (1998 JG4)
Classification: Main-belt Asteroid          SPK-ID: 2100898
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537562877930826 3.2806e-08  
a 2.395382177233838 9.6313e-09 au
q 2.027077105816651 8.069e-08 au
i 2.449417471450841 4.7328e-06 deg
node 192.6842630285622 8.5083e-05 deg
peri 50.19466273179564 8.6462e-05 deg
M 332.5451658099765 1.5695e-05 deg
tp 2459103.770664639479
(2020-Sep-11.27066464)		 5.9136e-05 TDB
period 1354.130897782734
3.71		 8.167e-06
2.236e-08		 d
yr
n .2658531760773402 1.6034e-09 deg/d
Q 2.763687248651025 1.1112e-08 au
   Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52337  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:57:02  

Additional Information
 Earth MOID = 1.01528 au 
 Jupiter MOID = 2.24886 au 
 T_jup = 3.512 
[ 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 16.3   n/a MPO426634  

100898 (1998 JG4)          Discovered 1998-May-15 by Zoltowski, F. B. at Woomera
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 JG4 = 2002 NO10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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