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JPL Small-Body Database Browser
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487891 (2015 TH149)
Classification: Main-belt Asteroid          SPK-ID: 2487891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08418439495354163 1.0106e-07  
a 2.616111101280864 5.2246e-08 au
q 2.395875371088291 2.7179e-07 au
i 4.274665980718917 1.3256e-05 deg
node 4.340169800910552 8.2252e-05 deg
peri 96.98652693408744 0.00016409 deg
M 219.2573372482518 0.0001292 deg
tp 2459204.735121083066
(2020-Dec-21.23512108)
0.00055395 TDB
period 1545.548729411132
4.23
4.6299e-05
1.268e-07
d
yr
n .2329269813040209 6.9777e-09 deg/d
Q 2.836346831473437 5.6645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4336 days (11.87 yr)  
   first obs. used      2007-11-19  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67283  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:46  

Additional Information
 Earth MOID = 1.41748 au 
 Jupiter MOID = 2.26701 au 
 T_jup = 3.398 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO419312  

487891 (2015 TH149)          Discovered 2009-Mar-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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