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5786 Talos (1991 RC)
Classification: Apollo [NEO]          SPK-ID: 2005786
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 183 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8267796685923635 3.3663e-08  
a 1.081461927442424 2.0085e-09 au
q .1873311934763179 3.6445e-08 au
i 23.22780915035584 8.494e-06 deg
node 161.3013608619998 7.2827e-06 deg
peri 8.354098883318187 8.8832e-06 deg
M 315.4366041692595 1.3655e-05 deg
tp 2459051.350011560105
(2020-Jul-20.85001156)
1.567e-05 TDB
period 410.7856643413603
1.12
1.1444e-06
3.133e-09
d
yr
n .8763694336247388 2.4414e-09 deg/d
Q 1.975592661408529 3.6691e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      10279 days (28.14 yr)  
   first obs. used      1991-09-03  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-17 07:12:37  

Additional Information
 Earth MOID = .188961 au 
 Jupiter MOID = 2.99961 au 
 T_jup = 5.283 
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Orbital Elements at Epoch 2456721.5 (2014-Mar-05.0) TDB
Reference: JPL 183 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8267907078063623 3.3665e-08  
q .1873208218412382 3.6453e-08 au
tp 2456586.558651311687
(2013-Oct-21.05865131)
1.2531e-05 TDB
node 161.3147556693685 7.281e-06 deg
peri 8.34003718885406 8.8833e-06 deg
i 23.23145649333264 8.4946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      10279 days (28.14 yr)  
   first obs. used      1991-09-03  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-17 07:12:37  

Additional Information
 Jupiter MOID = 2.99961 au 
 T_jup = 5.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.133318629621665E-15 -1.227113206561451E-15 -1.690874501339004E-14 1.886099297743868E-14 -5.22410789871399E-14 4.140677803653E-14
q -1.227113206561451E-15 1.328790688781122E-15 1.933371236291736E-14 -2.046234610754004E-14 5.673662194388169E-14 -4.471409853055847E-14
tp -1.690874501339004E-14 1.933371236291736E-14 1.570186006711081E-10 -3.457306062302004E-11 7.241512960432354E-11 -1.605746606611655E-11
node 1.886099297743868E-14 -2.046234610754004E-14 -3.457306062302004E-11 5.301249554349195E-11 -5.766322053136403E-11 6.374347512727306E-12
peri -5.22410789871399E-14 5.673662194388169E-14 7.241512960432354E-11 -5.766322053136403E-11 7.891286219301546E-11 -1.058914928272864E-11
i 4.140677803653E-14 -4.471409853055847E-14 -1.605746606611655E-11 6.374347512727306E-12 -1.058914928272864E-11 7.215804994389265E-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 17.1   n/a MPO200969  
rotation period rot_per 23.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 47-1, in progress. (NEAs) http://www.planetarysciences.org/lightcurves.html]

5786 Talos (1991 RC)          Discovered 1991-Sep-03 by McNaught, R. H. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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