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312761 (2010 TK157)
Classification: Main-belt Asteroid          SPK-ID: 2312761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08283433153037142 6.5206e-08  
a 2.847197839854782 3.6682e-08 au
q 2.611352110055694 2.0223e-07 au
i 2.851462686569564 6.5531e-06 deg
node 58.11001993648618 0.00013857 deg
peri 297.1772349656703 0.00014547 deg
M 21.10572494662986 4.1941e-05 deg
tp 2458897.621963132295
(2020-Feb-18.12196313)
0.00020452 TDB
period 1754.788966786362
4.80
3.3912e-05
9.285e-08
d
yr
n .2051528741141375 3.9647e-09 deg/d
Q 3.083043569653871 3.9721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      7875 days (21.56 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:19  

Additional Information
 Earth MOID = 1.60819 au 
 Jupiter MOID = 2.29191 au 
 T_jup = 3.300 
[ 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 16.6   n/a MPO446477  

312761 (2010 TK157)          Discovered 2006-Dec-13 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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