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447682 (2007 AA20)
Classification: Main-belt Asteroid          SPK-ID: 2447682
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07314370130351948 7.6834e-08  
a 3.052378801487788 4.7518e-08 au
q 2.829116518166571 2.1575e-07 au
i 11.61123803374396 7.4925e-06 deg
node 103.4268787845549 3.4738e-05 deg
peri 72.22118630866883 7.1909e-05 deg
M 133.1396180494577 6.2252e-05 deg
tp 2458280.121278874222
(2018-Jun-10.62127887)
0.00033158 TDB
period 1947.852513058465
5.33
4.5485e-05
1.245e-07
d
yr
n .1848189211383042 4.3158e-09 deg/d
Q 3.275641084809005 5.0994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      4593 days (12.57 yr)  
   first obs. used      2006-12-26  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:29  

Additional Information
 Earth MOID = 1.86234 au 
 Jupiter MOID = 1.82333 au 
 T_jup = 3.201 
[ 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 16.6   n/a MPO477131  

447682 (2007 AA20)          Discovered 2007-Jan-15 by Casulli, V. S. at Vallemare Borbona
Reference: Last Updated: 2015-10-28

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