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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539635352211719 3.2605e-08  
a 2.395937210504393 9.3885e-09 au
q 2.027050247407183 8.0345e-08 au
i 2.449293365889926 4.6765e-06 deg
node 192.6754250586649 8.1052e-05 deg
peri 50.23088105862605 8.2484e-05 deg
M 25.6860720966476 1.524e-05 deg
tp 2459103.848906487579
(2020-Sep-11.34890649)		 5.7278e-05 TDB
period 1354.601572928411
3.71		 7.962e-06
2.18e-08		 d
yr
n .2657608016959137 1.5621e-09 deg/d
Q 2.764824173601602 1.0834e-08 au
   Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      9080 days (24.86 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:37  

Additional Information
 Earth MOID = 1.01379 au 
 Jupiter MOID = 2.2467 au 
 T_jup = 3.511 
[ 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 16.37   n/a E2021B55  

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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