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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076271634911556 2.9498e-08  
a 2.432254035760288 9.6242e-09 au
q 2.170477433001492 7.1117e-08 au
i 6.280300295294764 5.2989e-06 deg
node 359.2500555550732 3.2163e-05 deg
peri 296.5419807812859 4.1613e-05 deg
M 90.43750068195887 2.6246e-05 deg
tp 2458852.436985776782
(2020-Jan-03.93698578)
0.00010097 TDB
period 1385.516894822313
3.79
8.2235e-06
2.251e-08
d
yr
n .2598308265639508 1.5422e-09 deg/d
Q 2.694030638519083 1.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8482 days (23.22 yr)  
   first obs. used      1997-10-21  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:12  

Additional Information
 Earth MOID = 1.16168 au 
 Jupiter MOID = 2.49391 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 15.98   n/a E2021B55  

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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