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541038 (2018 BW8)
Classification: Main-belt Asteroid          SPK-ID: 2541038
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07107084883733186 1.0446e-07  
a 3.172575324417827 8.1865e-08 au
q 2.947097703111079 3.7512e-07 au
i 22.06557258576933 1.1213e-05 deg
node 4.500692404155388 2.1514e-05 deg
peri 298.7046173913507 7.4536e-05 deg
M 7.527899147492579 7.3483e-05 deg
tp 2459157.339384306250
(2020-Nov-03.83938431)
0.00042095 TDB
period 2064.031590397349
5.65
7.9891e-05
2.187e-07
d
yr
n .1744159351411361 6.751e-09 deg/d
Q 3.398052945724576 8.7683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      6642 days (18.18 yr)  
   first obs. used      2001-02-22  
   last obs. used      2019-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57819  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:21:55  

Additional Information
 Earth MOID = 1.99093 au 
 Jupiter MOID = 1.897 au 
 T_jup = 3.084 
[ 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 16.0   n/a MPO466128  
diameter diameter 4.210 km 1.793 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.131   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

541038 (2018 BW8)          Discovered 2010-Jul-25 by WISE at WISE
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 2018 BW8 = 2010 OB72 = 2015 PC282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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