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447378 (2006 AR81)
Classification: Main-belt Asteroid          SPK-ID: 2447378
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170818057090874 4.9827e-08  
a 3.030613311235049 4.5282e-08 au
q 2.372722301226148 1.5306e-07 au
i 15.43448034322115 7.6961e-06 deg
node 118.3814726404852 3.6351e-05 deg
peri 30.67255107571032 5.1624e-05 deg
M 252.3464441352898 3.6755e-05 deg
tp 2459576.762149924865
(2021-Dec-28.26214992)
0.00020423 TDB
period 1927.055472590819
5.28
4.3189e-05
1.182e-07
d
yr
n .1868135116608761 4.1869e-09 deg/d
Q 3.68850432124395 5.5111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5881 days (16.10 yr)  
   first obs. used      2001-03-27  
   last obs. used      2017-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53871  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:51:41  

Additional Information
 Earth MOID = 1.39829 au 
 Jupiter MOID = 1.41746 au 
 T_jup = 3.153 
[ 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 16.1   n/a MPO477128  

447378 (2006 AR81)          Discovered 2006-Jan-06 by LONEOS at Anderson Mesa
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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