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JPL Small-Body Database Browser
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305668 (2009 BN85)
Classification: Main-belt Asteroid          SPK-ID: 2305668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .13618928131905 5.4154e-08  
a 2.33509730305884 1.3456e-08 au
q 2.017082079545204 1.2346e-07 au
i 1.485814365451144 4.6588e-06 deg
node 269.9862611639746 0.00023648 deg
peri 259.528660221008 0.00023757 deg
M 33.61680560449307 1.9239e-05 deg
tp 2458878.794601630688
(2020-Jan-30.29460163)
6.9746e-05 TDB
period 1303.33452643985
3.57
1.1265e-05
3.084e-08
d
yr
n .276214580905307 2.3875e-09 deg/d
Q 2.653112526572475 1.5288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6649 days (18.20 yr)  
   first obs. used      2002-02-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:46  

Additional Information
 Earth MOID = 1.02385 au 
 Jupiter MOID = 2.32009 au 
 T_jup = 3.555 
[ 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 17.7   n/a MPO413264  

305668 (2009 BN85)          Discovered 2009-Jan-25 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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