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JPL Small-Body Database Browser
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305637 (2009 BG31)
Classification: Main-belt Asteroid          SPK-ID: 2305637
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040389284419009 5.1634e-08  
a 2.399642106508466 2.2492e-08 au
q 1.910021702452412 1.3065e-07 au
i 2.621716168623317 8.7545e-06 deg
node 83.99972131562036 0.00013259 deg
peri 259.9288115965304 0.00013452 deg
M 43.98620153573117 2.3931e-05 deg
tp 2458434.605458420461
(2018-Nov-12.10545842)
8.9094e-05 TDB
period 1357.744767302088
3.72
1.9089e-05
5.226e-08
d
yr
n .2651455624574709 3.7278e-09 deg/d
Q 2.889262510564519 2.7081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      1999-05-16  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66362  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:45:08  

Additional Information
 Earth MOID = .903564 au 
 Jupiter MOID = 2.51703 au 
 T_jup = 3.497 
[ 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 MPO455251  

305637 (2009 BG31)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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