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355991 (2009 BX7)
Classification: Main-belt Asteroid          SPK-ID: 2355991
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130478832114066 1.0396e-07  
a 2.684795900634113 3.7341e-08 au
q 2.112805817149353 2.8412e-07 au
i 13.00084453784177 9.0969e-06 deg
node 286.2430232451547 4.689e-05 deg
peri 175.9446295435936 5.9716e-05 deg
M 226.6807356877475 3.8838e-05 deg
tp 2459595.553136392834
(2022-Jan-16.05313639)
0.00018173 TDB
period 1606.813015407051
4.40
3.3522e-05
9.178e-08
d
yr
n .2240459820452736 4.6741e-09 deg/d
Q 3.256785984118873 4.5296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      2000-01-03  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:04:59  

Additional Information
 Earth MOID = 1.12987 au 
 Jupiter MOID = 1.91249 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119590227691962 1.0085e-07  
q 2.116187390173761 2.7394e-07 au
tp 2457982.959072967489
(2017-Aug-17.45907297)
0.000162 TDB
node 286.3562334518625 4.7058e-05 deg
peri 175.0012693757962 6.0163e-05 deg
i 12.97096333060514 9.0632e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      2000-01-03  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58741  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:04:59  

Additional Information
 Jupiter MOID = 1.91249 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.016972632983838E-14 -2.746103513620346E-14 5.895414063287834E-12 8.370117947492871E-14 2.015435751405782E-12 3.040084101540259E-14
q -2.746103513620346E-14 7.504051011768643E-14 -1.269612084880297E-11 -2.061879237225716E-13 -4.819126899181211E-12 -6.64059188398083E-14
tp 5.895414063287834E-12 -1.269612084880297E-11 2.624355258566932E-8 1.304992058776889E-10 6.100317449573585E-9 1.153856261941678E-10
node 8.370117947492871E-14 -2.061879237225716E-13 1.304992058776889E-10 2.214471928350308E-9 -2.123405128649314E-9 1.731904336305141E-10
peri 2.015435751405782E-12 -4.819126899181211E-12 6.100317449573585E-9 -2.123405128649314E-9 3.619556618874111E-9 -1.415880424798532E-10
i 3.040084101540259E-14 -6.64059188398083E-14 1.153856261941678E-10 1.731904336305141E-10 -1.415880424798532E-10 8.214226394585268E-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 16.6   n/a MPO397308  

355991 (2009 BX7)          Discovered 2009-Jan-21 by Lowe, A. at Mayhill
Reference: 20130225/Numbers.arcLast Updated: 2013-02-28

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Alternate Designations
 2009 BX7 = 2000 AO156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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