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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698853402460678 3.7049e-08  
a 2.60824980711826 1.4103e-08 au
q 2.165146401189233 9.7461e-08 au
i 13.77687695854939 5.659e-06 deg
node 134.8472418442386 1.9493e-05 deg
peri 293.8341153394167 2.6788e-05 deg
M 339.9222930731391 1.8833e-05 deg
tp 2458686.309192002041
(2019-Jul-21.80919200)
8.0758e-05 TDB
period 1538.587510678672
4.21
1.2479e-05
3.417e-08
d
yr
n .2339808411945342 1.8977e-09 deg/d
Q 3.051353213047286 1.6499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      10464 days (28.65 yr)  
   first obs. used      1991-04-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:07:50  

Additional Information
 Earth MOID = 1.22023 au 
 Jupiter MOID = 2.29111 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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