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14205 (1999 BC4)
Classification: Main-belt Asteroid          SPK-ID: 2014205
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03291488845158543 4.4634e-08  
a 3.071802083523172 1.9904e-08 au
q 2.970694060598659 1.3942e-07 au
i 11.24339648746207 4.4208e-06 deg
node 127.8457685210919 2.4924e-05 deg
peri 77.75907584256703 7.1781e-05 deg
M 276.3359037839419 6.8e-05 deg
tp 2459457.509150639646
(2021-Aug-31.00915064)
0.00037256 TDB
period 1966.474290302497
5.38
1.9113e-05
5.233e-08
d
yr
n .183068754966851 1.7793e-09 deg/d
Q 3.172910106447686 2.0559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      12016 days (32.90 yr)  
   first obs. used      1987-12-20  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:55:53  

Additional Information
 Earth MOID = 1.99446 au 
 Jupiter MOID = 1.87097 au 
 T_jup = 3.200 
[ 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 12.8   n/a MPO337378  
diameter diameter 8.237 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.7965 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.237   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14205 (1999 BC4)          Discovered 1999-Jan-18 by Kagawa, T. at Gekko
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BC4 = 1987 YJ2 = 1994 CP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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