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150637 (2001 BL55)
Classification: Main-belt Asteroid          SPK-ID: 2150637
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0963119391155705 6.9944e-08  
a 3.123475799139038 3.5841e-08 au
q 2.822647788143401 2.1697e-07 au
i 15.49020991365614 6.4879e-06 deg
node 277.6692662126111 2.3608e-05 deg
peri 251.6110025208265 4.3573e-05 deg
M 173.2463611582885 4.1974e-05 deg
tp 2458230.174900067823
(2018-Apr-21.67490007)
0.000227 TDB
period 2016.302297145659
5.52
3.4705e-05
9.502e-08
d
yr
n .1785446559822043 3.0731e-09 deg/d
Q 3.424303810134675 3.9293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7293 days (19.97 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:39:47  

Additional Information
 Earth MOID = 1.87755 au 
 Jupiter MOID = 1.85106 au 
 T_jup = 3.152 
[ 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 14.81   n/a E2021B55  
diameter diameter 4.887 km 1.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150637 (2001 BL55)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2001 BL55 = 2004 RU114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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