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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .064900474618816 7.3791e-08  
a 2.641364547816074 3.7698e-08 au
q 2.469938735021496 1.8492e-07 au
i 1.206816052361709 8.8467e-06 deg
node 265.0769414377323 0.00043288 deg
peri 337.7214757461286 0.00044337 deg
M 24.12762483704827 9.0655e-05 deg
tp 2458495.412027245202
(2019-Jan-11.91202725)
0.00039535 TDB
period 1567.981533500816
4.29
3.3568e-05
9.19e-08
d
yr
n .2295945406934939 4.9153e-09 deg/d
Q 2.812790360610651 4.0145e-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 = 1.45673 au 
 Jupiter MOID = 2.18567 au 
 T_jup = 3.392 
[ 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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