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447931 (2008 AT29)
Classification: Main-belt Asteroid          SPK-ID: 2447931
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0944848227511564 5.4619e-08  
a 2.715827166349052 5.4805e-08 au
q 2.459222717913787 1.6283e-07 au
i 12.90945220547367 6.4719e-06 deg
node 102.5756754846218 2.9871e-05 deg
peri 126.0070803608862 5.9304e-05 deg
M 188.5660678622739 5.8582e-05 deg
tp 2459778.977213492005
(2022-Jul-18.47721349)
0.00027787 TDB
period 1634.751028355193
4.48
4.9483e-05
1.355e-07
d
yr
n .2202170200573078 6.6659e-09 deg/d
Q 2.972431614784317 5.9983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      4336 days (11.87 yr)  
   first obs. used      2007-12-18  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58767  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:28  

Additional Information
 Earth MOID = 1.4704 au 
 Jupiter MOID = 2.12226 au 
 T_jup = 3.318 
[ 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 16.3   n/a MPO495225  

447931 (2008 AT29)          Discovered 2007-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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