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541836 (2012 BW12)
Classification: Main-belt Asteroid          SPK-ID: 2541836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988868986047955 1.3579e-07  
a 2.606727895476885 5.2101e-08 au
q 2.088283868838882 3.8126e-07 au
i 31.54127728566077 1.8189e-05 deg
node 306.7474200910418 1.0256e-05 deg
peri 128.1751814405321 3.8534e-05 deg
M 82.42189675664522 2.842e-05 deg
tp 2458848.549100105741
(2019-Dec-31.04910011)
0.00012334 TDB
period 1537.241060297706
4.21
4.6088e-05
1.262e-07
d
yr
n .2341857821116758 7.021e-09 deg/d
Q 3.125171922114889 6.2463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      4353 days (11.92 yr)  
   first obs. used      2008-02-13  
   last obs. used      2020-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:39  

Additional Information
 Earth MOID = 1.18666 au 
 Jupiter MOID = 2.20967 au 
 T_jup = 3.178 
[ 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 16.0   n/a E2018M27  

541836 (2012 BW12)          Discovered 2011-Dec-18 by Les Engarouines at Les Engarouines
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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