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447942 (2008 AQ99)
Classification: Main-belt Asteroid          SPK-ID: 2447942
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08490926120277152 6.9518e-08  
a 2.691215349039656 2.3125e-08 au
q 2.46270624201514 1.8812e-07 au
i 10.12322179736396 6.6973e-06 deg
node 286.0436035638788 4.6384e-05 deg
peri 96.94314110189524 7.0137e-05 deg
M 27.25191062955348 4.8877e-05 deg
tp 2458878.428140895869
(2020-Jan-29.92814090)
0.00021884 TDB
period 1612.579384794763
4.42
2.0785e-05
5.691e-08
d
yr
n .2232448234142707 2.8774e-09 deg/d
Q 2.919724456064173 2.5088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4738 days (12.97 yr)  
   first obs. used      2006-10-11  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:47  

Additional Information
 Earth MOID = 1.49158 au 
 Jupiter MOID = 2.47675 au 
 T_jup = 3.344 
[ 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 16.5   n/a MPO456123  

447942 (2008 AQ99)          Discovered 2008-Jan-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2008 AQ99 = 2006 UH202 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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