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259239 (2003 BT57)
Classification: Main-belt Asteroid          SPK-ID: 2259239
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172718628478924 7.3553e-08  
a 2.58312519995071 1.9496e-08 au
q 2.021884775788084 1.9886e-07 au
i 10.60083438735456 3.5874e-06 deg
node 123.6380354394529 3.2319e-05 deg
peri 272.7463868601751 3.3616e-05 deg
M 130.9405698421876 9.4239e-06 deg
tp 2458448.945620869909
(2018-Nov-26.44562087)		 3.6954e-05 TDB
period 1516.409900507849
4.15		 1.7168e-05
4.7e-08		 d
yr
n .2374028287994131 2.6877e-09 deg/d
Q 3.144365624113335 2.3732e-08 au
   Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      6848 days (18.75 yr)  
   first obs. used      2001-07-16  
   last obs. used      2020-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:11:29  

Additional Information
 Earth MOID = 1.06176 au 
 Jupiter MOID = 2.37581 au 
 T_jup = 3.366 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO418379  

259239 (2003 BT57)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

Alternate Designations
 2003 BT57 = 2001 QP203 = 2003 BF61 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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