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541201 (2011 BW118)
Classification: Main-belt Asteroid          SPK-ID: 2541201
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09625938805699703 6.6947e-08  
a 2.795712726116556 4.1818e-08 au
q 2.526599129917417 2.0275e-07 au
i 5.51427641269424 7.7413e-06 deg
node 354.7732634334985 6.3782e-05 deg
peri 34.71050586240984 7.4146e-05 deg
M 130.5316401639308 3.8929e-05 deg
tp 2458581.414636865524
(2019-Apr-07.91463687)
0.00017986 TDB
period 1707.407724659819
4.67
3.8309e-05
1.049e-07
d
yr
n .2108459478076485 4.7307e-09 deg/d
Q 3.064826322315695 4.5843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      5122 days (14.02 yr)  
   first obs. used      2007-03-26  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61683  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:10  

Additional Information
 Earth MOID = 1.53216 au 
 Jupiter MOID = 2.36469 au 
 T_jup = 3.314 
[ 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   .45576 MPO528800 autocmod 2.8

541201 (2011 BW118)          Discovered 2009-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 BW118 = 2014 WT347 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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