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43481 (2001 BC17)
Classification: Main-belt Asteroid          SPK-ID: 2043481
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123411968071842 3.4849e-08  
a 2.742470082889939 1.3457e-08 au
q 2.160130703281192 9.991e-08 au
i 8.61620995054737 4.1661e-06 deg
node 82.47967409277059 2.9769e-05 deg
peri 222.9379397043731 3.1921e-05 deg
M 342.5274674959902 1.3395e-05 deg
tp 2459281.012744516161
(2021-Mar-07.51274452)
6.1917e-05 TDB
period 1658.865881014452
4.54
1.221e-05
3.343e-08
d
yr
n .217015735943552 1.5973e-09 deg/d
Q 3.324809462498686 1.6314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1215  
   data-arc span      9905 days (27.12 yr)  
   first obs. used      1993-06-17  
   last obs. used      2020-07-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:19  

Additional Information
 Earth MOID = 1.1521 au 
 Jupiter MOID = 1.94553 au 
 T_jup = 3.300 
[ 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 14.4   n/a MPO474299  
diameter diameter 6.377 km 0.780 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.496 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.109   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43481 (2001 BC17)          Discovered 2001-Jan-18 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 BC17 = 1999 XW80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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