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279817 (2000 JA7)
Classification: Main-belt Asteroid          SPK-ID: 2279817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08103183845892534 4.318e-08  
a 3.089049185264854 2.8729e-08 au
q 2.838737850692798 1.434e-07 au
i 5.367794106797587 5.8534e-06 deg
node 209.5203196732762 4.6588e-05 deg
peri 54.61672003919527 6.0255e-05 deg
M 257.5294590693587 4.0432e-05 deg
tp 2459764.958724423329
(2022-Jul-04.45872442)
0.00022546 TDB
period 1983.05912066904
5.43
2.7664e-05
7.574e-08
d
yr
n .1815377041701833 2.5325e-09 deg/d
Q 3.339360519836911 3.1057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1996-09-17  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57243  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:31:36  

Additional Information
 Earth MOID = 1.82593 au 
 Jupiter MOID = 1.71136 au 
 T_jup = 3.214 
[ 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 15.73   n/a MPCxxxxx  

279817 (2000 JA7)          Discovered 2000-May-03 by Kusnirak, P. at Ondrejov
Reference: 20110615/Numbers.arcLast Updated: 2011-06-23

[ show close-approach data ]
Alternate Designations
 2000 JA7 = 2007 RJ220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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