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JPL Small-Body Database Browser
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441745 (2009 BM139)
Classification: Main-belt Asteroid          SPK-ID: 2441745
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04462410871122483 1.2815e-07  
a 2.606766406742871 4.5444e-08 au
q 2.490441779223608 3.6323e-07 au
i 4.546111609108495 8.3351e-06 deg
node 142.4512483689829 7.8863e-05 deg
peri 181.8763538880623 0.00016101 deg
M 58.08444466597793 0.00012582 deg
tp 2458752.467299899395
(2019-Sep-25.96729990)
0.00054157 TDB
period 1537.27512675212
4.21
4.0199e-05
1.101e-07
d
yr
n .2341805924880802 6.1237e-09 deg/d
Q 2.723091034262134 4.7471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5284 days (14.47 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40124  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:23  

Additional Information
 Earth MOID = 1.47798 au 
 Jupiter MOID = 2.41483 au 
 T_jup = 3.406 
[ 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 17.0   n/a MPO440828  

441745 (2009 BM139)          Discovered 2009-Jan-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BM139 = 2013 AN13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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