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305634 (2009 BC25)
Classification: Main-belt Asteroid          SPK-ID: 2305634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09418203712526464 4.4841e-08  
a 2.344832499901639 1.6458e-08 au
q 2.123991398343376 1.0959e-07 au
i 5.129393800932481 4.9931e-06 deg
node 76.40089575023009 6.9517e-05 deg
peri 190.2006092508646 7.7181e-05 deg
M 281.4606760126686 3.4344e-05 deg
tp 2459286.621716817624
(2021-Mar-13.12171682)
0.00012581 TDB
period 1311.493565579449
3.59
1.3808e-05
3.78e-08
d
yr
n .2744961999420435 2.89e-09 deg/d
Q 2.565673601459903 1.8009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      9645 days (26.41 yr)  
   first obs. used      1993-11-21  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:46  

Additional Information
 Earth MOID = 1.10833 au 
 Jupiter MOID = 2.48675 au 
 T_jup = 3.550 
[ 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 16.9   n/a MPO413264  

305634 (2009 BC25)          Discovered 2009-Jan-18 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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