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118643 (2000 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2118643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077565838258487 4.5885e-08  
a 2.432397829164125 1.3447e-08 au
q 2.170290948587989 1.1752e-07 au
i 6.280172473807072 5.658e-06 deg
node 359.2504240549865 3.9489e-05 deg
peri 296.5402468408226 4.8142e-05 deg
M 38.46117554739491 2.6392e-05 deg
tp 2458852.462960634779
(2020-Jan-03.96296063)
0.0001016 TDB
period 1385.639763033436
3.79
1.149e-05
3.146e-08
d
yr
n .2598077867019994 2.1544e-09 deg/d
Q 2.694504709740261 1.4895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      7927 days (21.70 yr)  
   first obs. used      1997-10-21  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:53:12  

Additional Information
 Earth MOID = 1.16345 au 
 Jupiter MOID = 2.49452 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO245011  

118643 (2000 JR1)          Discovered 2000-May-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 JR1 = 2001 SG153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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