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420738 (2012 TS)
Classification: Aten [NEO]          SPK-ID: 2420738
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133675000434683 1.3823e-07  
a .990116142058115 1.0758e-08 au
q .877869150280303 1.4575e-07 au
i 16.45991870048434 1.5851e-05 deg
node 190.7934067679299 5.2238e-06 deg
peri 20.52766262400894 3.9714e-05 deg
M 22.5791931504499 4.9804e-05 deg
tp 2458577.929896208722
(2019-Apr-04.42989621)
4.9643e-05 TDB
period 359.8550803263895
0.99
5.8648e-06
1.606e-08
d
yr
n 1.000402716764424 1.6304e-08 deg/d
Q 1.102363133835927 1.1977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      1540 days (4.22 yr)  
   first obs. used      2012-10-04  
   last obs. used      2016-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39763  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-09 06:32:21  

Additional Information
 Earth MOID = .0904996 au 
 Jupiter MOID = 3.85794 au 
 T_jup = 6.087 
[ 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 20.8   n/a MPO360985  
rotation period rot_per 3.57 h n/a LCDB (Rev. 2019-January); 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. (2015) Minor Planet Bull. 42, 41-53.]

420738 (2012 TS)          Discovered 2012-Oct-04 by CSS at Catalina
Reference: Last Updated: 2015-01-07

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