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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537562918147191 3.5416e-08  
a 2.395382178875838 1.0896e-08 au
q 2.027077097572827 8.5297e-08 au
i 2.449417269799556 4.7464e-06 deg
node 192.6842835126184 9.7929e-05 deg
peri 50.19464419395054 9.9263e-05 deg
M 332.5451628699796 1.7959e-05 deg
tp 2459103.770675804389
(2020-Sep-11.27067580)
6.7799e-05 TDB
period 1354.13089917509
3.71
9.2393e-06
2.53e-08
d
yr
n .2658531758039824 1.8139e-09 deg/d
Q 2.763687260178849 1.2571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8920 days (24.42 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:13:10  

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

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