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71310 (2000 AJ74)
Classification: Main-belt Asteroid          SPK-ID: 2071310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2229185847052891 4.9595e-08  
a 2.554183035966793 1.1027e-08 au
q 1.984808168510817 1.2956e-07 au
i 4.684345942296638 5.3855e-06 deg
node 188.047437409605 4.3105e-05 deg
peri 165.714293155969 4.4759e-05 deg
M 71.15454437168471 1.0058e-05 deg
tp 2458705.802404508371
(2019-Aug-10.30240451)
4.2355e-05 TDB
period 1490.995906358504
4.08
9.6556e-06
2.644e-08
d
yr
n .2414493550684769 1.5636e-09 deg/d
Q 3.123557903422769 1.3485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-12-14  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:24:07  

Additional Information
 Earth MOID = .980353 au 
 Jupiter MOID = 2.32615 au 
 T_jup = 3.399 
[ 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 15.2   n/a MPO410530  

71310 (2000 AJ74)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AJ74 = 2001 FW169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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