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JPL Small-Body Database Browser
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80578 (2000 AJ121)
Classification: Main-belt Asteroid          SPK-ID: 2080578
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06048841237902142 4.8611e-08  
a 2.384788711976643 1.286e-08 au
q 2.240536628929765 1.1315e-07 au
i 6.033709006979343 4.3346e-06 deg
node 274.0637235095498 4.5443e-05 deg
peri 269.02281020774 5.7982e-05 deg
M 30.97607895403568 3.5157e-05 deg
tp 2458484.756335094131
(2019-Jan-01.25633509)
0.00013144 TDB
period 1345.157966182293
3.68
1.0881e-05
2.979e-08
d
yr
n .267626560634897 2.1648e-09 deg/d
Q 2.529040795023522 1.3638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      13533 days (37.05 yr)  
   first obs. used      1982-04-20  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53836  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:53  

Additional Information
 Earth MOID = 1.25247 au 
 Jupiter MOID = 2.4699 au 
 T_jup = 3.526 
[ 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 15.3   n/a MPO474696  

80578 (2000 AJ121)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2000 AJ121 = 2002 TR281 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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