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(2011 SO5)
Classification: Apollo [NEO]          SPK-ID: 3578626
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5207683215833685 0.00034464  
a 1.776270750310805 0.00088139 au
q .8512452129938165 0.00018978 au
i 2.629582471138592 0.0028052 deg
node 178.1665711263945 0.1842 deg
peri 245.4500896922095 0.19879 deg
M 222.6167677920538 1.504 deg
tp 2459330.484394937591
(2021-Apr-25.98439494)
3.8582 TDB
period 864.6934583524941
2.37
0.6436
0.001762
d
yr
n .4163325124326837 0.00030988 deg/d
Q 2.701296287627794 0.0013404 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      13 days  
   first obs. used      2011-09-18  
   last obs. used      2011-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .43267  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:52:52  

Additional Information
 Earth MOID = .00773066 au 
 Jupiter MOID = 2.65083 au 
 T_jup = 3.926 
[ 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 25.5   n/a MPO207932  

[ hide close-approach data ]
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
2004-Sep-19 12:58 8_03:44 Venus 0.143217654473377 0.0835719737162757 0.231233652381333 5.72035814553447 5.71770690077888 2453268.040237886 11743.8394520151 4915281.77450924 93.4464634867187 -34.6286035424977 128182.547367205 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 03:30:26 2018-Dec-11 15:41
2011-Sep-29 18:10 < 00:01 Earth 0.0142125996049242 0.0141796384423685 0.0142455603695159 12.0103392993018 11.994719838021 2455834.257047818 0.0460810753622647 1639.34033567681 4.13855156073658 0.0307495381867928 881.899626117392 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 03:30:26 2018-Dec-11 15:41
2021-Aug-31 20:01 8_03:18 Mars 0.0445767206668213 0.0413240661245814 0.1686831844237 13.1515331939911 13.1510448456142 2459458.333839763 11717.5726772454 7321835.78928795 40.3011120129911 -67.9798073988345 157410.420152999 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 03:30:26 2018-Dec-11 15:41
2082-Aug-12 12:41 8_08:55 Mars 0.0916530279886829 0.076221330491917 0.233306850099086 14.2386022580038 14.2383828788503 2481719.028400528 12054.7259440835 8457695.3697134 43.4141657725084 -56.2678628073168 264443.315787156 T 9 CATAB v2.0e-lin.ifort 2017-Nov-29 03:30:26 2018-Dec-11 15:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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