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118472 (2000 AJ31)
Classification: Main-belt Asteroid          SPK-ID: 2118472
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406426161137418 4.4879e-08  
a 2.146763706670773 1.0535e-08 au
q 1.844837242786562 1.0148e-07 au
i 1.440447389860005 4.6683e-06 deg
node 12.97888498826026 0.00019222 deg
peri 9.357147448589631 0.00019346 deg
M 312.3367902146708 2.5954e-05 deg
tp 2459352.609233723257
(2021-May-18.10923372)		 8.3636e-05 TDB
period 1148.880329021135
3.15		 8.4567e-06
2.315e-08		 d
yr
n .3133485628627013 2.3065e-09 deg/d
Q 2.448690170554984 1.2016e-08 au
   Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      10240 days (28.04 yr)  
   first obs. used      1991-03-18  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:39:35  

Additional Information
 Earth MOID = .846483 au 
 Jupiter MOID = 3.00278 au 
 T_jup = 3.695 
[ 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 16.6   n/a MPO302621  

118472 (2000 AJ31)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 AJ31 = 2002 XX24 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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