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(2015 BK509)
Classification: Apollo [NEO]          SPK-ID: 3708359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4293083498655477 9.1093e-07  
a 1.158728719764098 1.4821e-08 au
q .6612768051403543 1.0638e-06 au
i 6.137382275151699 1.8931e-05 deg
node 333.0362750144835 1.8286e-05 deg
peri 280.670885713352 0.00011542 deg
M 25.04722169729383 1.0868e-05 deg
tp 2458968.802271376972
(2020-Apr-29.30227138)
1.3395e-05 TDB
period 455.5867489895248
1.25
8.7411e-06
2.393e-08
d
yr
n .7901897954636898 1.5161e-08 deg/d
Q 1.656180634387841 2.1184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      1865 days (5.11 yr)  
   first obs. used      2015-01-20  
   last obs. used      2020-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-16 15:24:47  

Additional Information
 Earth MOID = .00822588 au 
 Jupiter MOID = 3.41462 au 
 T_jup = 5.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457862.5 (2017-Apr-19.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .429183074333286 9.114e-07  
q .6610419309258989 1.0614e-06 au
tp 2458058.399940862455
(2017-Oct-31.89994086)
1.1276e-05 TDB
node 333.0682463913921 1.8357e-05 deg
peri 280.6894249606155 0.00011498 deg
i 6.140732788311285 1.8913e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      1865 days (5.11 yr)  
   first obs. used      2015-01-20  
   last obs. used      2020-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-16 15:24:47  

Additional Information
 Jupiter MOID = 3.41462 au 
 T_jup = 5.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.306536626519399E-13 -9.673932292220274E-13 2.709318346933479E-12 -8.0287122022223E-12 1.034986020787829E-10 1.435653895985553E-11
q -9.673932292220274E-13 1.126645664375815E-12 -3.162450827171995E-12 9.348904716418801E-12 -1.205374006989547E-10 -1.672044672740645E-11
tp 2.709318346933479E-12 -3.162450827171995E-12 1.27155382652812E-10 -5.302547220828158E-11 4.307941833857094E-10 7.409437585072658E-11
node -8.0287122022223E-12 9.348904716418801E-12 -5.302547220828158E-11 3.369866952317859E-10 -1.272121389060736E-9 -2.263458424516685E-10
peri 1.034986020787829E-10 -1.205374006989547E-10 4.307941833857094E-10 -1.272121389060736E-9 1.322137472419336E-8 1.890868054092197E-9
i 1.435653895985553E-11 -1.672044672740645E-11 7.409437585072658E-11 -2.263458424516685E-10 1.890868054092197E-9 3.576852538942657E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.4   n/a MPO335351  

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