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JPL Small-Body Database Browser
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305653 (2009 BW57)
Classification: Main-belt Asteroid          SPK-ID: 2305653
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07003340546235035 7.2293e-08  
a 2.604179000204121 2.7271e-08 au
q 2.421799476386288 1.908e-07 au
i 14.09665928720308 8.3743e-06 deg
node 313.4510332589986 1.8249e-05 deg
peri 326.3338758368417 6.9892e-05 deg
M 12.32525397918294 6.5443e-05 deg
tp 2458547.946934747585
(2019-Mar-05.44693475)
0.0002795 TDB
period 1534.986907598287
4.20
2.4112e-05
6.602e-08
d
yr
n .234529687659208 3.684e-09 deg/d
Q 2.786558524021955 2.9181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:07  

Additional Information
 Earth MOID = 1.41551 au 
 Jupiter MOID = 2.44358 au 
 T_jup = 3.367 
[ 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 15.8   n/a MPO427633  

305653 (2009 BW57)          Discovered 2009-Jan-20 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 BW57 = 2003 WS143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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