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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03275751677707564 2.0351e-08  
a 3.071507951822441 1.7212e-08 au
q 2.970892978559696 6.3948e-08 au
i 11.24370660519951 4.4901e-07 deg
node 127.8457592522565 1.6057e-06 deg
peri 77.82315994020392 3.5176e-05 deg
M 312.873098240745 3.2533e-05 deg
tp 2459457.890362301271
(2021-Aug-31.39036230)
0.00017735 TDB
period 1966.191855806874
5.38
1.6528e-05
4.525e-08
d
yr
n .1830950519588361 1.5391e-09 deg/d
Q 3.172122925085187 1.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      12130 days (33.21 yr)  
   first obs. used      1987-12-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:02:04  

Additional Information
 Earth MOID = 1.99377 au 
 Jupiter MOID = 1.8708 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457121.5 (2015-Apr-09.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03560445234788989 2.0201e-08  
q 2.964410365213871 6.3639e-08 au
tp 2457490.556119933231
(2016-Apr-12.05611993)
0.00016587 TDB
node 127.910331205986 1.6031e-06 deg
peri 77.55345983658682 3.2477e-05 deg
i 11.2511995313633 4.4939e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2099  
   data-arc span      12130 days (33.21 yr)  
   first obs. used      1987-12-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 00:02:04  

Additional Information
 Jupiter MOID = 1.8708 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.080836974016423E-16 -1.241461660126024E-15 2.591205290885895E-12 -5.832619190372607E-16 5.204096894536097E-13 6.160602564543171E-16
q -1.241461660126024E-15 4.049923529059635E-15 -8.6196018333978E-12 1.761869207265974E-15 -1.729804710053978E-12 -1.899833422943147E-15
tp 2.591205290885895E-12 -8.6196018333978E-12 2.751161404154948E-8 1.6067204435409E-11 5.376966749425352E-9 2.352574175462967E-11
node -5.832619190372607E-16 1.761869207265974E-15 1.6067204435409E-11 2.570017528646035E-12 6.18488578220441E-13 3.253839922003679E-13
peri 5.204096894536097E-13 -1.729804710053978E-12 5.376966749425352E-9 6.18488578220441E-13 1.054762889847706E-9 4.120257726309257E-12
i 6.160602564543171E-16 -1.899833422943147E-15 2.352574175462967E-11 3.253839922003679E-13 4.120257726309257E-12 2.019558557125419E-13

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Sep-14 23:10 00:03 Jupiter 1.92235693815179 1.92235650563911 1.92235737066818 2.94965169774974 2.79628535645786 2421121.465186653 2.72343258900169 154.264277531647 5.37194755082109 80.4037069351533 6914976.36326065 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04
1926-Jun-05 11:43 00:02 Jupiter 1.98607453818927 1.98607392629901 1.98607515008359 4.4188073112864 4.32121471317637 2424671.988499715 2.16077060536219 148.688753996406 5.86180619935422 -79.19520173977 13878690.3908815 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04
1975-Oct-28 03:36 00:01 Jupiter 1.91163671174247 1.91163647263475 1.91163695085063 3.01842492048959 2.86787618418558 2442713.649775160 1.08184265416341 61.9187664384372 4.83785224841925 78.8524493861669 8231066.79693578 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04
2034-Dec-10 03:50 < 00:01 Jupiter 1.9047270700636 1.90472691461307 1.90472722551414 3.11984093927453 2.97388930180977 2464306.659742530 0.584479116762586 36.4998977469369 5.22103789743682 84.2250031094707 9270489.38678965 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04
2094-Jan-23 14:48 00:02 Jupiter 1.90158951388198 1.90158937936264 1.90158964840164 3.24348795421066 3.10312048427363 2485901.116547881 2.16250420362731 134.531910202605 4.47829734444147 84.9277966590139 11194940.9502921 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04
2153-Mar-11 22:01 00:04 Jupiter 1.9022683612393 1.90226825494507 1.90226846753375 3.38025854823221 3.24586019367424 2507497.417056747 3.71612710827111 236.768591403088 3.89318515817752 86.4389714888606 13390238.9888079 T 36 CATAB v2.0f-lin.ifort 2021-Mar-17 00:04:00 2021-Mar-17 00:04

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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