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442643 (2012 TH101)
Classification: Main-belt Asteroid          SPK-ID: 2442643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09291293642468117 5.0402e-08  
a 2.292952337711391 2.1646e-08 au
q 2.079907402932789 1.2348e-07 au
i 5.131668591233226 5.4731e-06 deg
node 299.4936711036333 6.6965e-05 deg
peri 154.0424739080616 7.9508e-05 deg
M 75.73046153348602 3.8353e-05 deg
tp 2458933.716435544380
(2020-Mar-25.21643554)
0.0001361 TDB
period 1268.209400276214
3.47
1.7958e-05
4.917e-08
d
yr
n .2838647938752012 4.0196e-09 deg/d
Q 2.505997272489994 2.3657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6228 days (17.05 yr)  
   first obs. used      2003-01-05  
   last obs. used      2020-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:44:56  

Additional Information
 Earth MOID = 1.0978 au 
 Jupiter MOID = 2.61984 au 
 T_jup = 3.586 
[ 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 17.6   n/a MPO503572  

442643 (2012 TH101)          Discovered 2009-Nov-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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