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243415 (2009 BW137)
Classification: Main-belt Asteroid          SPK-ID: 2243415
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650904438749824 3.5769e-08  
a 2.548106322696824 2.0729e-08 au
q 2.127438318842156 8.6763e-08 au
i 1.361986040262423 7.9139e-06 deg
node 2.56475296567642 0.0002615 deg
peri 300.4712051959727 0.00026374 deg
M 120.7688776894461 3.23e-05 deg
tp 2458502.100870944924
(2019-Jan-18.60087095)
0.00013512 TDB
period 1485.678180443232
4.07
1.8129e-05
4.963e-08
d
yr
n .2423135809214072 2.9568e-09 deg/d
Q 2.968774326551492 2.4151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6884 days (18.85 yr)  
   first obs. used      2001-02-13  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:42  

Additional Information
 Earth MOID = 1.11252 au 
 Jupiter MOID = 2.25819 au 
 T_jup = 3.422 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457364.5 (2015-Dec-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660965891755512 3.5355e-08  
q 2.124182385207285 8.5834e-08 au
tp 2457017.893329362284
(2014-Dec-26.39332936)
0.00014132 TDB
node 2.632696849271025 0.0002608 deg
peri 300.608388920156 0.00026303 deg
i 1.364379524919778 7.9211e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6884 days (18.85 yr)  
   first obs. used      2001-02-13  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52269  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:42  

Additional Information
 Jupiter MOID = 2.25819 au 
 T_jup = 3.422 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.249976866965256E-15 -2.978871132559067E-15 -1.734965024204683E-12 1.429237286228907E-15 -4.499537369389018E-13 -1.085424886268755E-16
q -2.978871132559067E-15 7.367409147966841E-15 3.327364758356197E-12 -7.75096038693131E-15 8.944644441063062E-13 2.224067709233056E-16
tp -1.734965024204683E-12 3.327364758356197E-12 1.997115369040127E-8 8.78178205480479E-11 4.87942578455928E-9 4.101072338912867E-12
node 1.429237286228907E-15 -7.75096038693131E-15 8.78178205480479E-11 6.801896672034591E-8 -6.797756652379466E-8 1.458079167962956E-9
peri -4.499537369389018E-13 8.944644441063062E-13 4.87942578455928E-9 -6.797756652379466E-8 6.918572168374875E-8 -1.456643112993893E-9
i -1.085424886268755E-16 2.224067709233056E-16 4.101072338912867E-12 1.458079167962956E-9 -1.456643112993893E-9 6.274387884211518E-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 16.7   n/a MPO450092  

243415 (2009 BW137)          Discovered 2009-Jan-29 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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