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447926 (2008 AO4)
Classification: Mars-crossing Asteroid          SPK-ID: 2447926
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3909178121686121 1.806e-07  
a 2.567726119699851 5.6225e-08 au
q 1.563956242738585 4.9747e-07 au
i 5.938326830728901 4.3894e-06 deg
node 309.0201233062938 4.2935e-05 deg
peri 106.6662589859195 4.982e-05 deg
M 34.32045004584339 1.1033e-05 deg
tp 2458857.224494767101
(2020-Jan-08.72449477)
4.3241e-05 TDB
period 1502.870207556919
4.11
4.9362e-05
1.351e-07
d
yr
n .2395416438424311 7.8678e-09 deg/d
Q 3.571495996661116 7.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      5757 days (15.76 yr)  
   first obs. used      2004-02-22  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:01:20  

Additional Information
 Earth MOID = .58899 au 
 Jupiter MOID = 1.86904 au 
 T_jup = 3.313 
[ 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 17.7   n/a MPO495225  

447926 (2008 AO4)          Discovered 2008-Jan-09 by LUSS at Lulin
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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