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442829 (2013 AU81)
Classification: Main-belt Asteroid          SPK-ID: 2442829
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579822613884229 4.2907e-08  
a 2.440671718022787 2.2448e-08 au
q 2.05508888070278 1.0877e-07 au
i 2.328846519458968 5.2588e-06 deg
node 83.4117057426637 0.00020591 deg
peri 354.2882294259331 0.0002085 deg
M 56.02605687043428 3.585e-05 deg
tp 2458983.754526291184
(2020-May-14.25452629)
0.00013714 TDB
period 1392.715727177121
3.81
1.9214e-05
5.261e-08
d
yr
n .2584877825209023 3.5662e-09 deg/d
Q 2.826254555342795 2.5995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      6002 days (16.43 yr)  
   first obs. used      2004-10-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:45:34  

Additional Information
 Earth MOID = 1.07011 au 
 Jupiter MOID = 2.41335 au 
 T_jup = 3.483 
[ 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 17.95   n/a MPCxxxxx  

442829 (2013 AU81)          Discovered 2008-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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