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305630 (2009 BS9)
Classification: Main-belt Asteroid          SPK-ID: 2305630
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605292055394377 6.1334e-08  
a 2.369657313079764 1.3786e-08 au
q 1.989258107210351 1.4394e-07 au
i 6.838026392012987 6.3894e-06 deg
node 304.6992219714842 3.3213e-05 deg
peri 198.3066989131917 3.6168e-05 deg
M 32.44311051858013 1.2197e-05 deg
tp 2458880.426621655262
(2020-Jan-31.92662166)
4.5267e-05 TDB
period 1332.375826890886
3.65
1.1627e-05
3.183e-08
d
yr
n .2701940343964841 2.3578e-09 deg/d
Q 2.750056518949177 1.5999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:46  

Additional Information
 Earth MOID = 1.00342 au 
 Jupiter MOID = 2.28209 au 
 T_jup = 3.519 
[ 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 16.3   n/a MPO455251  

305630 (2009 BS9)          Discovered 2009-Jan-18 by LINEAR at Socorro
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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