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541887 (2012 BQ156)
Classification: Main-belt Asteroid          SPK-ID: 2541887
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579537875398325 9.9266e-08  
a 2.613292161924847 3.7188e-08 au
q 2.20051276700066 2.8103e-07 au
i 13.09490090054474 8.0715e-06 deg
node 349.6401223900717 3.2264e-05 deg
peri 108.8373312573598 5.1312e-05 deg
M 68.90610094499186 2.776e-05 deg
tp 2458905.150968579112
(2020-Feb-25.65096858)
0.00012159 TDB
period 1543.051338754461
4.22
3.2937e-05
9.018e-08
d
yr
n .2333039678968745 4.98e-09 deg/d
Q 3.026071556849034 4.3062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5299 days (14.51 yr)  
   first obs. used      2006-10-17  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:44  

Additional Information
 Earth MOID = 1.25622 au 
 Jupiter MOID = 2.18403 au 
 T_jup = 3.354 
[ 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 16.9   n/a MPO430009  

541887 (2012 BQ156)          Discovered 2008-Feb-11 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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