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43681 (2002 JG2)
Classification: Main-belt Asteroid          SPK-ID: 2043681
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2121761888871213 2.968e-08  
a 2.310311091825096 7.7374e-09 au
q 1.820118089218003 6.9446e-08 au
i 5.813781476178696 3.9281e-06 deg
node 32.92571996267909 3.5698e-05 deg
peri 312.7376567676581 3.6981e-05 deg
M 5.94425850220308 1.028e-05 deg
tp 2459179.321299514766
(2020-Nov-25.82129951)
3.6612e-05 TDB
period 1282.638056850722
3.51
6.4435e-06
1.764e-08
d
yr
n .2806715410299868 1.41e-09 deg/d
Q 2.800504094432189 9.3791e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1448  
   data-arc span      8354 days (22.87 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:41  

Additional Information
 Earth MOID = .817728 au 
 Jupiter MOID = 2.62882 au 
 T_jup = 3.548 
[ 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 15.3   n/a MPO381587  

43681 (2002 JG2)          Discovered 2002-May-04 by Yeung, W. K. Y. at Desert Eagle
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 JG2 = 1999 NU63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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