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JPL Small-Body Database Browser
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312287 (2008 BS20)
Classification: Main-belt Asteroid          SPK-ID: 2312287
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 .1092730210240771 8.8523e-08  
a 2.690345197101851 3.3272e-08 au
q 2.396363049816915 2.3318e-07 au
i 2.38627680991431 9.3466e-06 deg
node 339.5381761928984 0.00013591 deg
peri 215.7627180367918 0.00013917 deg
M 160.4408889125325 2.7018e-05 deg
tp 2457882.171666080083
(2017-May-08.67166608)
0.00012232 TDB
period 1611.797353928587
4.41
2.9901e-05
8.186e-08
d
yr
n .2233531399729239 4.1434e-09 deg/d
Q 2.984327344386786 3.6908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      4256 days (11.65 yr)  
   first obs. used      2006-11-13  
   last obs. used      2018-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65202  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:12:10  

Additional Information
 Earth MOID = 1.39602 au 
 Jupiter MOID = 1.9797 au 
 T_jup = 3.362 
[ 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 16.8   n/a MPO455301  

312287 (2008 BS20)          Discovered 2008-Jan-30 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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