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66201 (1999 BC20)
Classification: Main-belt Asteroid          SPK-ID: 2066201
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427204599213356 3.3323e-08  
a 2.610998832855973 1.5057e-08 au
q 2.238355878576698 9.0794e-08 au
i 14.27567692450585 5.455e-06 deg
node 324.9850974504748 1.2629e-05 deg
peri 57.9074764351673 2.2654e-05 deg
M 138.8537604713036 1.9598e-05 deg
tp 2458606.120819916323
(2019-May-02.62081992)
8.1828e-05 TDB
period 1541.020596805123
4.22
1.333e-05
3.65e-08
d
yr
n .2336114135958726 2.0208e-09 deg/d
Q 2.983641787135249 1.7206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1288  
   data-arc span      13832 days (37.87 yr)  
   first obs. used      1983-05-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:04  

Additional Information
 Earth MOID = 1.27096 au 
 Jupiter MOID = 2.57971 au 
 T_jup = 3.352 
[ 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 14.27   n/a E2021B10  
rotation period rot_per 6.760 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

66201 (1999 BC20)          Discovered 1999-Jan-16 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BC20 = 2003 AR73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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