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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03275751803958818 2.0333e-08  
a 3.071507953833239 1.6843e-08 au
q 2.970892976626808 6.3942e-08 au
i 11.24370661651274 4.4883e-07 deg
node 127.8457592733204 1.6057e-06 deg
peri 77.82315800350595 3.5175e-05 deg
M 312.8731000771961 3.2526e-05 deg
tp 2459457.890352523985
(2021-Aug-31.39035252)
0.0001773 TDB
period 1966.191857737659
5.38
1.6172e-05
4.428e-08
d
yr
n .1830950517790382 1.506e-09 deg/d
Q 3.17212293103967 1.7394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      12148 days (33.26 yr)  
   first obs. used      1987-12-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:41:51  

Additional Information
 Earth MOID = 1.99377 au 
 Jupiter MOID = 1.8708 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457175.5 (2015-Jun-02.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03544947552610295 2.0114e-08  
q 2.965099897476544 6.3411e-08 au
tp 2457489.303462221452
(2016-Apr-10.80346222)
0.00016718 TDB
node 127.9090830955031 1.6034e-06 deg
peri 77.29523114142482 3.2716e-05 deg
i 11.25000497381517 4.4919e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2135  
   data-arc span      12148 days (33.26 yr)  
   first obs. used      1987-12-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:41:51  

Additional Information
 Jupiter MOID = 1.8708 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.045689841402279E-16 -1.233208098227353E-15 2.602784799106933E-12 -5.901877446596538E-16 5.223209107616124E-13 5.922917748572048E-16
q -1.233208098227353E-15 4.020941478228853E-15 -8.659392140501023E-12 1.78953041883647E-15 -1.736245485861848E-12 -1.862343893809972E-15
tp 2.602784799106933E-12 -8.659392140501023E-12 2.794952531262721E-8 1.614123770279497E-11 5.459620612763506E-9 2.361640640757103E-11
node -5.901877446596538E-16 1.78953041883647E-15 1.614123770279497E-11 2.570898333860082E-12 6.306793573131209E-13 3.257276820296438E-13
peri 5.223209107616124E-13 -1.736245485861848E-12 5.459620612763506E-9 6.306793573131209E-13 1.070328365259674E-9 4.136187625344394E-12
i 5.922917748572048E-16 -1.862343893809972E-15 2.361640640757103E-11 3.257276820296438E-13 4.136187625344394E-12 2.017674166932213E-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 12.88   n/a MPCxxxxx  
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 23:09 00:03 Jupiter 1.92235686003322 1.92235643602104 1.922357284049 2.94965286677118 2.79628658406319 2421121.464291201 2.66481504076941 150.957982315192 5.37032591936511 80.4138854253643 6918077.63347562 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43
1926-Jun-05 11:42 00:02 Jupiter 1.9860748231919 1.98607422526422 1.98607542112343 4.41880875676782 4.32121620601123 2424671.987840689 2.11416854998975 145.478966036025 5.85437764117926 -79.2190940053256 13898367.338997 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43
1975-Oct-28 03:36 00:01 Jupiter 1.91163674904039 1.91163651295439 1.91163698512683 3.01842501764699 2.8678762903112 2442713.649780450 1.05802646278945 60.5613917861907 4.8378413687986 78.8531601982386 8231315.46870153 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43
2034-Dec-10 03:50 < 00:01 Jupiter 1.90472710618236 1.90472695086499 1.90472726149973 3.11984126891024 2.97388965128485 2464306.659711766 0.574531987595124 35.8718520543847 5.20647526587757 84.1075999387832 9293659.63751691 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43
2094-Jan-23 14:48 00:02 Jupiter 1.9015895693209 1.90158943491851 1.9015897037236 3.24348866113588 3.1031212281539 2485901.116459974 2.11867253254807 131.810085348433 4.47626783201793 84.9160838440201 11199507.5604842 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43
2153-Mar-11 22:00 00:04 Jupiter 1.90226841036457 1.90226830414679 1.90226851658257 3.38025967769154 3.2458613742005 2507497.416832444 3.63972813699381 231.910569263251 3.89295455000103 86.4369311610122 13390884.1779453 T 38 CATAB v2.0g-lin.ifort 2021-May-04 01:43:30 2021-May-04 01:43

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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