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118656 (2000 JR40)
Classification: Main-belt Asteroid          SPK-ID: 2118656
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347072922457905 4.7472e-08  
a 2.451967401745458 1.0119e-08 au
q 2.121669512381382 1.2041e-07 au
i 7.261453330750248 4.2123e-06 deg
node 75.76793980302294 4.0865e-05 deg
peri 247.4889004976025 4.4412e-05 deg
M 354.4374329437763 1.7596e-05 deg
tp 2459022.169217242938
(2020-Jun-21.66921724)
6.8554e-05 TDB
period 1402.395356066691
3.84
8.6812e-06
2.377e-08
d
yr
n .2567036452614153 1.5891e-09 deg/d
Q 2.782265291109535 1.1482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7423 days (20.32 yr)  
   first obs. used      2000-04-05  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60325  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:04  

Additional Information
 Earth MOID = 1.12168 au 
 Jupiter MOID = 2.51602 au 
 T_jup = 3.472 
[ 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 15.7   n/a MPO385520  

118656 (2000 JR40)          Discovered 2000-May-05 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 JR40 = 2001 RZ80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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