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442894 (2013 BL72)
Classification: Main-belt Asteroid          SPK-ID: 2442894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09051876940088764 9.0364e-08  
a 2.688069159348199 6.0281e-08 au
q 2.444748446979521 2.876e-07 au
i 14.81500531783604 6.8326e-06 deg
node 152.3120019878754 2.4162e-05 deg
peri 268.2543247368165 7.8998e-05 deg
M 299.3965342108572 6.1652e-05 deg
tp 2459271.490486514652
(2021-Feb-25.99048651)
0.00026896 TDB
period 1609.752410608041
4.41
5.4149e-05
1.483e-07
d
yr
n .2236368758497586 7.5227e-09 deg/d
Q 2.931389871716876 6.5737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      4258 days (11.66 yr)  
   first obs. used      2009-02-22  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:41:11  

Additional Information
 Earth MOID = 1.51052 au 
 Jupiter MOID = 2.34537 au 
 T_jup = 3.320 
[ 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 16.8   n/a MPO413511  

442894 (2013 BL72)          Discovered 2009-Feb-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 BL72 = 2009 DO60 = 2009 FE79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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