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154298 (2002 TH289)
Classification: Main-belt Asteroid          SPK-ID: 2154298
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2110320830020428 4.5899e-08  
a 2.197881281616461 5.9738e-09 au
q 1.73405781656574 1.0162e-07 au
i 6.166184853871112 5.2931e-06 deg
node 338.9503253801304 3.1254e-05 deg
peri 10.94379458928333 3.2724e-05 deg
M 181.5148207349558 8.7496e-06 deg
tp 2459590.571217837639
(2022-Jan-11.07121784)
2.993e-05 TDB
period 1190.158417053247
3.26
4.8522e-06
1.328e-08
d
yr
n .3024807410859943 1.2332e-09 deg/d
Q 2.661704746667183 7.2345e-09 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      6404 days (17.53 yr)  
   first obs. used      2002-10-05  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 00:51:22  

Additional Information
 Earth MOID = .728169 au 
 Jupiter MOID = 2.76439 au 
 T_jup = 3.631 
[ 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 16.7   n/a MPO348348  

154298 (2002 TH289)          Discovered 2002-Oct-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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