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160239 (2002 JR118)
Classification: Main-belt Asteroid          SPK-ID: 2160239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2723736411604663 4.403e-08  
a 2.670197103838031 1.1575e-08 au
q 1.942905796049535 1.1601e-07 au
i 13.04373210777318 5.401e-06 deg
node 150.2845222405755 1.5016e-05 deg
peri 137.2089472721366 2.0055e-05 deg
M 359.5136972600223 8.679e-06 deg
tp 2459002.652869095079
(2020-Jun-02.15286910)
3.8419e-05 TDB
period 1593.725082165957
4.36
1.0363e-05
2.837e-08
d
yr
n .2258858846035986 1.4688e-09 deg/d
Q 3.397488411626528 1.4728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      8159 days (22.34 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:29:34  

Additional Information
 Earth MOID = .948425 au 
 Jupiter MOID = 1.93421 au 
 T_jup = 3.292 
[ 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 15.8   n/a MPO469693  

160239 (2002 JR118)          Discovered 2002-May-05 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2002 JR118 = 1998 MR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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