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442558 (2012 AU8)
Classification: Main-belt Asteroid          SPK-ID: 2442558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09172832756255378 7.7722e-08  
a 3.171068190060322 9.6287e-08 au
q 2.880191408399274 2.3562e-07 au
i 10.26300578043261 7.0424e-06 deg
node 124.9681176578805 4.0906e-05 deg
peri 231.9428911034695 5.8542e-05 deg
M 289.1100929387302 4.9475e-05 deg
tp 2459406.652101561286
(2021-Jul-11.15210156)
0.00029608 TDB
period 2062.560985383861
5.65
9.3942e-05
2.572e-07
d
yr
n .1745402936209427 7.9497e-09 deg/d
Q 3.46194497172137 1.0512e-07 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      3991 days (10.93 yr)  
   first obs. used      2008-06-03  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6796  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Earth MOID = 1.88815 au 
 Jupiter MOID = 1.95713 au 
 T_jup = 3.171 
[ 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 16.2   n/a MPO437721  

442558 (2012 AU8)          Discovered 2012-Jan-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 AU8 = 2014 MO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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