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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133352957734598 1.3827e-07  
a .9899490553661646 1.0293e-08 au
q .8777528863755832 1.454e-07 au
i 16.46059393929901 1.5849e-05 deg
node 190.7809488209676 5.2356e-06 deg
peri 20.54226921633662 3.9724e-05 deg
M 62.79180867764782 5.2598e-05 deg
tp 2458937.749356001570
(2020-Mar-29.24935600)
5.2104e-05 TDB
period 359.7639933483312
0.98
5.6112e-06
1.536e-08
d
yr
n 1.000656004091661 1.5607e-08 deg/d
Q 1.102145224356746 1.146e-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 = .0910886 au 
 Jupiter MOID = 3.85706 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-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. (2015) Minor Planet Bull. 42, 41-53.]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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