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541191 (2011 BK71)
Classification: Main-belt Asteroid          SPK-ID: 2541191
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040416550727297 9.0565e-08  
a 2.908734744683855 2.8416e-08 au
q 2.606105167679392 2.6132e-07 au
i 3.246810942679788 6.7555e-06 deg
node 215.384111655218 0.00014737 deg
peri 292.1875510969252 0.00015718 deg
M 354.3572700427197 4.751e-05 deg
tp 2459228.901506100214
(2021-Jan-14.40150610)
0.00023923 TDB
period 1811.985027368735
4.96
2.6553e-05
7.27e-08
d
yr
n .1986771383661884 2.9114e-09 deg/d
Q 3.211364321688317 3.1373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4191 days (11.47 yr)  
   first obs. used      2009-10-18  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6119  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:09  

Additional Information
 Earth MOID = 1.6196 au 
 Jupiter MOID = 1.80371 au 
 T_jup = 3.274 
[ 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 17.41   n/a MPCxxxxx  

541191 (2011 BK71)          Discovered 2009-Oct-18 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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