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385012 (2012 TD244)
Classification: Main-belt Asteroid          SPK-ID: 2385012
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06446106297961518 1.1238e-07  
a 3.051787560521924 5.6419e-08 au
q 2.855066090382714 3.6709e-07 au
i 8.103175963872571 1.0986e-05 deg
node 42.49391037649732 6.8094e-05 deg
peri 276.9558705798896 0.00011249 deg
M 250.4218347858134 9.1776e-05 deg
tp 2459793.222478868865
(2022-Aug-01.72247887)
0.00049663 TDB
period 1947.286596519561
5.33
5.4e-05
1.478e-07
d
yr
n .184872632843793 5.1267e-09 deg/d
Q 3.248509030661134 6.0056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      5786 days (15.84 yr)  
   first obs. used      2005-05-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60371  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:46  

Additional Information
 Earth MOID = 1.85552 au 
 Jupiter MOID = 1.9627 au 
 T_jup = 3.218 
[ 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 16.79   n/a E2021B25  

385012 (2012 TD244)          Discovered 2007-Oct-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2012 TD244 = 2007 TS239 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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