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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 
[ show covariance matrix ]

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  

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1981-Nov-27 06:37 1_04:10 Mars 0.0931848207367859 0.0893311038393054 0.0972422707946122 14.0416511124611 14.041432313015 2444935.775893791 1689.94433047894 293498.974164135 42.9186156107457 47.7171619443354 223739.118718544 T 10 CATAB v2.0e-lin.ifort 2017-Nov-30 06:21:41 2018-Dec-11 16:41
2010-Mar-25 04:11 6_05:10 Earth 0.221146666583892 0.106203809933317 0.338096653137176 17.7151563044389 17.7144761691519 2455280.674130213 8949.58463057292 5876668.24306419 46.3378006923902 8.77612808415746 99264.2390725789 T 10 CATAB v2.0e-lin.ifort 2017-Nov-30 06:21:41 2018-Dec-11 16:41
2015-Jul-17 23:26 00:01 Moon 0.0058631755619851 0.00584828506231116 0.00587806605598557 11.2378619750263 11.2373645681436 2457221.476371849 1.3309914364722 742.473170324583 6.66110717143271 0.0840081277359776 1137.85855235105 T 10 CATAB v2.0e-lin.ifort 2017-Nov-30 06:21:41 2018-Dec-11 16:41
2015-Jul-18 11:20 < 00:01 Earth 0.00611451314693325 0.00610009374223229 0.00612893209326849 11.068040012686 11.0285984367313 2457221.972023793 0.854037843884536 714.145031931102 5.93714382068997 0.263241167539815 856.381621134484 T 10 CATAB v2.0e-lin.ifort 2017-Nov-30 06:21:41 2018-Dec-11 16:41
2020-Aug-09 04:34 5_17:58 Earth 0.26841715961282 0.151047661501766 0.385784500330132 19.17546594203 19.1749482612787 2459070.690244093 8277.83448008146 5852565.52128291 25.1838271185518 0.146657428071367 3436.24343065424 T 10 CATAB v2.0e-lin.ifort 2017-Nov-30 06:21:41 2018-Dec-11 16:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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