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402920 Tsawout (2007 TH142)
Classification: Outer Main-belt Asteroid          SPK-ID: 2402920
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2730434523664534 6.1971e-08  
a 3.92672901210723 1.2206e-07 au
q 2.854561366133959 2.5001e-07 au
i 12.12985355189537 5.87e-06 deg
node 117.7250245850642 3.4215e-05 deg
peri 274.3722593517659 4.4874e-05 deg
M 221.9778611715768 1.8438e-05 deg
tp 2460090.160168384232
(2023-May-25.66016838)
0.00017139 TDB
period 2842.135790302222
7.78
0.00013252
3.628e-07
d
yr
n .1266653061505267 5.9061e-09 deg/d
Q 4.998896658080501 1.5539e-07 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      5878 days (16.09 yr)  
   first obs. used      2002-02-13  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:13  

Additional Information
 Earth MOID = 1.89428 au 
 Jupiter MOID = 1.00512 au 
 T_jup = 2.959 
[ 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 15.6   n/a MPO440740  

402920 Tsawout           Discovered 2007 Oct. 7 by D. D. Balam at Mauna Kea.
Named to honor the people of the Tsawout First Nation, who live on Vancouver Island on the west coast of Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-10-08Last Updated: 2015-01-12

[ show close-approach data ]
Alternate Designations
 2007 TH142 = 2009 BZ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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