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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03275752292913602 4.4092e-08  
a 3.07150794805721 1.8682e-08 au
q 2.970892956021702 1.3863e-07 au
i 11.24370355623319 4.3804e-06 deg
node 127.845742079017 2.377e-05 deg
peri 77.82314953109774 6.9347e-05 deg
M 312.8731279287327 6.5341e-05 deg
tp 2459457.890199682765
(2021-Aug-31.39019968)
0.00035726 TDB
period 1966.191852191467
5.38
1.7939e-05
4.911e-08
d
yr
n .1830950522955088 1.6705e-09 deg/d
Q 3.172122940092717 1.9294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1984  
   data-arc span      12084 days (33.08 yr)  
   first obs. used      1987-12-20  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:16:43  

Additional Information
 Earth MOID = 1.99377 au 
 Jupiter MOID = 1.8708 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 12.87   n/a E2021B10  
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

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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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