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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729797809295164 6.1905e-08  
a 3.92799759221923 1.206e-07 au
q 2.855733670003556 2.4908e-07 au
i 12.13003228981196 5.8698e-06 deg
node 117.7238468471718 3.4208e-05 deg
peri 274.2878982744709 4.4821e-05 deg
M 247.4262290086657 1.889e-05 deg
tp 2460089.680561104499
(2023-May-25.18056110)
0.00017142 TDB
period 2843.51318409917
7.79
0.00013096
3.585e-07
d
yr
n .1266039496539379 5.8308e-09 deg/d
Q 5.000261514434903 1.5352e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:07:22  

Additional Information
 Earth MOID = 1.89435 au 
 Jupiter MOID = 1.00579 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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