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JPL Small-Body Database Browser
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212798 (2007 TK257)
Classification: Main-belt Asteroid          SPK-ID: 2212798
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07591431073653375 4.5368e-08  
a 2.331934029971025 1.8862e-08 au
q 2.154906865402707 1.0599e-07 au
i 7.225173750314961 7.8637e-06 deg
node 31.40368269513835 4.5644e-05 deg
peri 50.12714917169269 7.735e-05 deg
M 43.31793312526147 6.2368e-05 deg
tp 2458443.991459030633
(2018-Nov-21.49145903)
0.00022458 TDB
period 1300.687052312632
3.56
1.5781e-05
4.321e-08
d
yr
n .2767767998919626 3.3582e-09 deg/d
Q 2.508961194539343 2.0294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6630 days (18.15 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:45:20  

Additional Information
 Earth MOID = 1.17763 au 
 Jupiter MOID = 2.6492 au 
 T_jup = 3.556 
[ 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 16.9   n/a MPO418139  

212798 (2007 TK257)          Discovered 2007-Oct-10 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TK257 = 2000 WY75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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