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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447518223645609 7.5636e-08  
a 3.092086022681473 7.2515e-08 au
q 2.644500935990343 2.165e-07 au
i 21.4101130045275 7.8835e-06 deg
node 302.8253517720656 1.9056e-05 deg
peri 330.2322572536478 3.142e-05 deg
M 198.1639622602465 2.7188e-05 deg
tp 2459493.288349952099
(2021-Oct-05.78834995)
0.00016002 TDB
period 1985.984150820604
5.44
6.9863e-05
1.913e-07
d
yr
n .1812703287945419 6.3767e-09 deg/d
Q 3.539671109372604 8.3012e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2000-06-11  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5732  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:06:09  

Additional Information
 Earth MOID = 1.645 au 
 Jupiter MOID = 1.74284 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

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