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59203 (1999 BC9)
Classification: Main-belt Asteroid          SPK-ID: 2059203
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699437853220053 3.4299e-08  
a 2.608091707026094 1.1624e-08 au
q 2.16486272986715 8.7335e-08 au
i 13.7782517599532 5.476e-06 deg
node 134.8436839379102 1.5248e-05 deg
peri 293.7575003414701 2.3023e-05 deg
M 73.57542855611183 1.5999e-05 deg
tp 2458686.077936311324
(2019-Jul-21.57793631)
6.809e-05 TDB
period 1538.447619664194
4.21
1.0285e-05
2.816e-08
d
yr
n .2340021170682297 1.5644e-09 deg/d
Q 3.05132068418504 1.3599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      10524 days (28.81 yr)  
   first obs. used      1991-04-14  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:44:26  

Additional Information
 Earth MOID = 1.22014 au 
 Jupiter MOID = 2.29091 au 
 T_jup = 3.350 
[ 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 MPO365935  
diameter diameter 3.831 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59203 (1999 BC9)          Discovered 1999-Jan-22 by Korlevic, K. at Visnjan
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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