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233901 (2009 BT)
Classification: Main-belt Asteroid          SPK-ID: 2233901
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901941131742384 4.9246e-08  
a 3.117930702056654 3.1547e-08 au
q 2.524918637240258 1.447e-07 au
i 12.50240048277881 6.9329e-06 deg
node 293.5348398659811 2.452e-05 deg
peri 145.6555184571181 3.3923e-05 deg
M 60.46795633966684 1.9807e-05 deg
tp 2458662.730131579327
(2019-Jun-28.23013158)
0.00011054 TDB
period 2010.935377878393
5.51
3.052e-05
8.356e-08
d
yr
n .1790211679401715 2.717e-09 deg/d
Q 3.710942766873049 3.7547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      6816 days (18.66 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60522  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:06  

Additional Information
 Earth MOID = 1.55167 au 
 Jupiter MOID = 1.56228 au 
 T_jup = 3.153 
[ 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 15.5   n/a MPO413119  

233901 (2009 BT)          Discovered 2009-Jan-16 by Lowe, A. at Mayhill
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 BT = 2007 TO137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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