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(2015 OA26)
Classification: Apollo [NEO]          SPK-ID: 3724516
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5158459316515861 0.00044157  
a 1.853226008604193 0.0015406 au
q .8972469116348127 7.2434e-05 au
i 1.881104952362629 0.001132 deg
node 294.6183802411511 0.00042829 deg
peri 312.6797318023986 0.0017808 deg
M 349.224411295271 0.89046 deg
tp 2459028.082238683028
(2020-Jun-27.58223868)
2.3137 TDB
period 921.4908064867333
2.52
1.1491
0.003146
d
yr
n .3906712877283414 0.00048716 deg/d
Q 2.809205105573573 0.0023354 au
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      29 days  
   first obs. used      2015-07-23  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36606  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:32:41  

Additional Information
 Earth MOID = .000903271 au 
 Jupiter MOID = 2.24032 au 
 T_jup = 3.830 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457229.5 (2015-Jul-26.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5157225858739586 0.00044004  
q .8977601174928239 7.094e-05 au
tp 2457185.109219742502
(2015-Jun-11.60921974)
0.0070043 TDB
node 294.6924250606816 0.00021608 deg
peri 312.5680994290112 0.00078052 deg
i 1.881109818303132 0.0011953 deg
  Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      29 days  
   first obs. used      2015-07-23  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36606  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:32:41  

Additional Information
 Jupiter MOID = 2.24032 au 
 T_jup = 3.830 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.936389500853169E-7 -3.121603373217908E-8 3.081031461616742E-6 2.876979217402985E-8 -3.402243633195166E-7 5.259395127286136E-7
q -3.121603373217908E-8 5.032479179528672E-9 -4.966117283746526E-7 -4.580726139292333E-9 5.487349749848891E-8 -8.47846099773453E-8
tp 3.081031461616742E-6 -4.966117283746526E-7 4.906079164979533E-5 4.938929215453218E-7 -5.410261513757063E-6 8.369004221483219E-6
node 2.876979217402985E-8 -4.580726139292333E-9 4.938929215453218E-7 4.669194522073876E-8 -5.672677506531006E-8 8.020534883709122E-8
peri -3.402243633195166E-7 5.487349749848891E-8 -5.410261513757063E-6 -5.672677506531006E-8 6.092063373501372E-7 -9.25503880046538E-7
i 5.259395127286136E-7 -8.47846099773453E-8 8.369004221483219E-6 8.020534883709122E-8 -9.25503880046538E-7 1.428841556860301E-6

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 24.2   n/a MPO349346  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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