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118648 (2000 JF31)
Classification: Main-belt Asteroid          SPK-ID: 2118648
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905414185261776 4.3209e-08  
a 2.405371789727057 1.1125e-08 au
q 1.947048836829613 9.9732e-08 au
i 2.535758526531767 4.3541e-06 deg
node 11.04679681827156 0.00010003 deg
peri 254.1720871845826 0.00010099 deg
M 111.8204393941779 1.1722e-05 deg
tp 2458577.256360322539
(2019-Apr-03.75636032)
4.4517e-05 TDB
period 1362.610548745698
3.73
9.4532e-06
2.588e-08
d
yr
n .264198747273302 1.8329e-09 deg/d
Q 2.863694742624501 1.3245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      10105 days (27.67 yr)  
   first obs. used      1992-02-26  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:02:05  

Additional Information
 Earth MOID = .933166 au 
 Jupiter MOID = 2.22685 au 
 T_jup = 3.497 
[ 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 MPO493678  

118648 (2000 JF31)          Discovered 2000-May-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 JF31 = 2001 UB171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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