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541213 (2011 BO157)
Classification: Main-belt Asteroid          SPK-ID: 2541213
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06313847115447399 5.8604e-08  
a 2.874948583441437 3.6284e-08 au
q 2.693428725235224 1.7488e-07 au
i 2.713248893613835 5.9698e-06 deg
node 56.82910161892185 0.00015079 deg
peri 202.6731683156887 0.00016051 deg
M 235.1311757237156 5.7542e-05 deg
tp 2459818.082628690571
(2022-Aug-26.58262869)
0.00028887 TDB
period 1780.506444400241
4.87
3.3707e-05
9.228e-08
d
yr
n .2021896641442739 3.8277e-09 deg/d
Q 3.05646844164765 3.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5551 days (15.20 yr)  
   first obs. used      2006-01-05  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:10  

Additional Information
 Earth MOID = 1.6767 au 
 Jupiter MOID = 1.96786 au 
 T_jup = 3.292 
[ 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 17.19   .29177 MPCxxxxx autocmod 2.8

541213 (2011 BO157)          Discovered 2009-Nov-11 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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