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362871 (2012 BW81)
Classification: Main-belt Asteroid          SPK-ID: 2362871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07390076382788555 6.3052e-08  
a 3.118786144725708 4.6974e-08 au
q 2.888305466414652 1.7271e-07 au
i 9.914262792968563 8.1159e-06 deg
node 315.399203483726 2.8398e-05 deg
peri 301.8596618108497 6.6032e-05 deg
M 97.69008144786227 6.2358e-05 deg
tp 2458654.585295921140
(2019-Jun-20.08529592)
0.00034294 TDB
period 2011.763021953035
5.51
4.5451e-05
1.244e-07
d
yr
n .1789475182074423 4.0429e-09 deg/d
Q 3.349266823036764 5.0446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2001-01-25  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:09  

Additional Information
 Earth MOID = 1.8864 au 
 Jupiter MOID = 1.84771 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.50   n/a E2021B25  

362871 (2012 BW81)          Discovered 2010-Nov-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2012 BW81 = 2010 VV10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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