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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457655.5 (2016-Sep-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1902904412858758 4.922e-08  
q 2.523387890929008 1.4465e-07 au
tp 2456654.355407146713
(2013-Dec-27.85540715)
0.00011468 TDB
node 293.548135873382 2.452e-05 deg
peri 145.9456486598009 3.3922e-05 deg
i 12.50401751254817 6.9336e-06 deg
  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
 Jupiter MOID = 1.56228 au 
 T_jup = 3.153 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.422621664041257E-15 -7.028156708121806E-15 3.039620247085953E-13 -1.456018044581654E-14 3.983338194333669E-14 -5.259353806555237E-15
q -7.028156708121806E-15 2.092366240150839E-14 -1.750140709777683E-12 4.347185812167522E-14 -2.287100371932674E-13 1.736187837662334E-14
tp 3.039620247085953E-13 -1.750140709777683E-12 1.315237158119988E-8 1.191964494323631E-12 2.699389696249988E-9 -1.136090415322336E-11
node -1.456018044581654E-14 4.347185812167522E-14 1.191964494323631E-12 6.012354259188347E-10 -5.858618540435875E-10 6.932651101931604E-11
peri 3.983338194333669E-14 -2.287100371932674E-13 2.699389696249988E-9 -5.858618540435875E-10 1.150700353298118E-9 -6.972712511689262E-11
i -5.259353806555237E-15 1.736187837662334E-14 -1.136090415322336E-11 6.932651101931604E-11 -6.972712511689262E-11 4.807546413287675E-11

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

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