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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 186 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8267796729976414 3.3551e-08  
a 1.081461927043587 1.9917e-09 au
q .1873311886430911 3.6321e-08 au
i 23.22780936989503 8.4732e-06 deg
node 161.3013616498935 7.2285e-06 deg
peri 8.354097623141858 8.8073e-06 deg
M 315.4366075740624 1.3487e-05 deg
tp 2459051.350007646852
(2020-Jul-20.85000765)
1.5477e-05 TDB
period 410.7856641141177
1.12
1.1348e-06
3.107e-09
d
yr
n .8763694341095378 2.4209e-09 deg/d
Q 1.975592665444084 3.6383e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1028  
   data-arc span      10659 days (29.18 yr)  
   first obs. used      1991-09-03  
   last obs. used      2020-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-08 05:46:58  

Additional Information
 Earth MOID = .188961 au 
 Jupiter MOID = 2.99961 au 
 T_jup = 5.283 
[ show covariance matrix ]

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