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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1344271038484837 4.3572e-08  
a 2.451203685124388 7.8873e-09 au
q 2.121695472790386 1.0878e-07 au
i 7.261359542622793 3.1673e-06 deg
node 75.76287157942532 3.9867e-05 deg
peri 247.4797354967876 4.3233e-05 deg
M 45.81261431263886 1.5759e-05 deg
tp 2459022.118380273192
(2020-Jun-21.61838027)
6.1615e-05 TDB
period 1401.740198963812
3.84
6.7656e-06
1.852e-08
d
yr
n .2568236255663622 1.2396e-09 deg/d
Q 2.78071189745839 8.9476e-09 au
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      2000-04-05  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55975  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:15  

Additional Information
 Earth MOID = 1.11976 au 
 Jupiter MOID = 2.5166 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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