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441706 (2009 AB31)
Classification: Main-belt Asteroid          SPK-ID: 2441706
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06456798066581966 7.391e-08  
a 2.639475717703363 3.7326e-08 au
q 2.469050100594791 1.8472e-07 au
i 1.207049734788564 8.8484e-06 deg
node 265.0783015806029 0.00043292 deg
peri 337.1293491696919 0.00044353 deg
M 116.6165814481599 9.0829e-05 deg
tp 2458493.120707242667
(2019-Jan-09.62070724)
0.00039738 TDB
period 1566.299947437896
4.29
3.3225e-05
9.097e-08
d
yr
n .2298410343362884 4.8755e-09 deg/d
Q 2.809901334811934 3.9737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2005-03-09  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:19  

Additional Information
 Earth MOID = 1.4561 au 
 Jupiter MOID = 2.18694 au 
 T_jup = 3.393 
[ 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 17.5   n/a MPO434639  

441706 (2009 AB31)          Discovered 2009-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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