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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456987.5 (2014-Nov-26.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0359030693671868 4.3691e-08  
q 2.961806331776902 1.384e-07 au
tp 2457495.465684899315
(2016-Apr-16.96568490)
0.00032589 TDB
node 127.9101228574664 2.3728e-05 deg
peri 78.56337150482813 6.4373e-05 deg
i 11.25242661059738 4.3833e-06 deg
  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
 Jupiter MOID = 1.8708 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.908913619208845E-15 -5.996919225712315E-15 -9.657855398574158E-13 -4.740625078985569E-15 -1.354162677274529E-13 -1.392621351506965E-15
q -5.996919225712315E-15 1.915588462179938E-14 3.745530362851765E-12 1.533845446784034E-14 5.390256616593049E-13 4.728018459957005E-15
tp -9.657855398574158E-13 3.745530362851765E-12 1.062019899475091E-7 2.187625614049423E-11 1.952769886819812E-8 -2.263969022414373E-13
node -4.740625078985569E-15 1.533845446784034E-14 2.187625614049423E-11 5.630138500092278E-10 -5.479712448057888E-10 1.557214304260782E-11
peri -1.354162677274529E-13 5.390256616593049E-13 1.952769886819812E-8 -5.479712448057888E-10 4.143856632698904E-9 -1.534134866859532E-11
i -1.392621351506965E-15 4.728018459957005E-15 -2.263969022414373E-13 1.557214304260782E-11 -1.534134866859532E-11 1.921311657330759E-11

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

[ 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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