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JPL Small-Body Database Browser
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266287 (2007 BU29)
Classification: Main-belt Asteroid          SPK-ID: 2266287
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336522708872512 4.1466e-08  
a 2.649440453366713 2.2472e-08 au
q 2.295336720193704 1.1827e-07 au
i 4.688860347122842 4.761e-06 deg
node 86.78421062786077 7.7375e-05 deg
peri 14.94839827936266 8.1458e-05 deg
M 59.83627047773445 2.6631e-05 deg
tp 2458738.686710438303
(2019-Sep-12.18671044)
0.00011547 TDB
period 1575.178123397296
4.31
2.0041e-05
5.487e-08
d
yr
n .2285455813870516 2.9078e-09 deg/d
Q 3.003544186539723 2.5476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6565 days (17.97 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:00  

Additional Information
 Earth MOID = 1.31259 au 
 Jupiter MOID = 2.13763 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329216634326826 4.1576e-08  
q 2.297306555244345 1.1841e-07 au
tp 2457165.929611437391
(2015-May-23.42961144)
0.0001117 TDB
node 86.84569891516483 7.7355e-05 deg
peri 15.55595995481722 8.1462e-05 deg
i 4.689165823090637 4.7603e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      6565 days (17.97 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61128  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:00  

Additional Information
 Jupiter MOID = 2.13763 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.728570690917334E-15 -4.865120028791705E-15 -5.21313436046989E-13 -5.428964719799237E-15 -8.81434804135819E-14 -3.922224894315116E-16
q -4.865120028791705E-15 1.402014918120141E-14 1.636952807653689E-12 1.140536043232918E-14 2.780083077357654E-13 1.749500377323396E-15
tp -5.21313436046989E-13 1.636952807653689E-12 1.247613061813274E-8 2.827279225827694E-12 2.907112818482618E-9 -3.589962058337053E-13
node -5.428964719799237E-15 1.140536043232918E-14 2.827279225827694E-12 5.983833022759217E-9 -5.962959942365125E-9 -8.088392641751801E-11
peri -8.81434804135819E-14 2.780083077357654E-13 2.907112818482618E-9 -5.962959942365125E-9 6.636121535141139E-9 8.053761055489361E-11
i -3.922224894315116E-16 1.749500377323396E-15 -3.589962058337053E-13 -8.088392641751801E-11 8.053761055489361E-11 2.266042019469023E-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 16.3   n/a MPO460145  

266287 (2007 BU29)          Discovered 2007-Jan-24 by LINEAR at Socorro
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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