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442555 (2012 AB6)
Classification: Main-belt Asteroid          SPK-ID: 2442555
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989202268155398 5.7989e-08  
a 3.050142691948249 7.639e-08 au
q 2.443407615846142 2.0601e-07 au
i 8.479920236699501 1.0636e-05 deg
node 127.3020220867787 4.219e-05 deg
peri 276.0267627091058 5.143e-05 deg
M 260.8557727545848 3.472e-05 deg
tp 2459536.350442570040
(2021-Nov-17.85044257)
0.00020136 TDB
period 1945.712470456875
5.33
7.3095e-05
2.001e-07
d
yr
n .1850221990484894 6.9508e-09 deg/d
Q 3.656877768050355 9.1586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4485 days (12.28 yr)  
   first obs. used      2007-01-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:13:33  

Additional Information
 Earth MOID = 1.47035 au 
 Jupiter MOID = 1.83346 au 
 T_jup = 3.190 
[ 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 16.5   n/a MPO440832  

442555 (2012 AB6)          Discovered 2007-Jan-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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