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243421 (2009 BC187)
Classification: Main-belt Asteroid          SPK-ID: 2243421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1449175438053844 5.4803e-08  
a 3.090914426839323 4.9791e-08 au
q 2.642986699989141 1.8316e-07 au
i 21.41363389534708 7.3235e-06 deg
node 302.8269708541138 1.4569e-05 deg
peri 330.3845200532309 2.8925e-05 deg
M 270.5208477684284 2.7354e-05 deg
tp 2459493.842192153829
(2021-Oct-06.34219215)
0.00015443 TDB
period 1984.855519369946
5.43
4.796e-05
1.313e-07
d
yr
n .1813734029942265 4.3825e-09 deg/d
Q 3.538842153689505 5.7006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7251 days (19.85 yr)  
   first obs. used      2000-06-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:48:08  

Additional Information
 Earth MOID = 1.64392 au 
 Jupiter MOID = 1.74552 au 
 T_jup = 3.103 
[ 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 14.8   n/a MPO326093  
diameter diameter 5.216 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243421 (2009 BC187)          Discovered 2009-Jan-26 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ 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
1943-Jul-28 00:35 00:05 Jupiter 1.88300690132706 1.88300330780433 1.88301049486671 5.86370022628676 5.78647833085176 2430933.524199920 4.5016930761322 415.60478117611 117.365743686653 70.2960453601243 2039893.71871151 T 14 CATAB v2.0f-lin.ifort 2020-May-21 12:48:30 2020-May-21 12:48
2013-Oct-05 19:51 < 00:01 Jupiter 1.76263952642535 1.76263883515759 1.76264021769441 5.54236716111088 5.45497475064148 2456571.327098381 0.395751125344674 345.01974639362 31.5041596026463 -88.3905329197732 2623531.2022071 T 14 CATAB v2.0f-lin.ifort 2020-May-21 12:48:30 2020-May-21 12:48
2073-Sep-13 01:28 00:03 Jupiter 1.76793565690768 1.76793415091271 1.76793716292626 5.79566297806289 5.71239916466203 2478463.560866661 3.32898732975691 466.872991177774 53.0890083546633 83.6127488490252 2771569.22100988 T 14 CATAB v2.0f-lin.ifort 2020-May-21 12:48:30 2020-May-21 12:48
2143-Nov-19 11:13 00:08 Jupiter 1.85603502734123 1.85602919378846 1.85604086328229 5.34678375257462 5.26073891598666 2504096.967423806 8.32800490335799 3385.15384826673 32.8384747692633 -84.968659927672 2111590.66695513 T 14 CATAB v2.0f-lin.ifort 2020-May-21 12:48:30 2020-May-21 12:48

Alternate Designations
 2009 BC187 = 2008 TO176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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