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JPL Small-Body Database Browser
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442378 (2011 TK17)
Classification: Main-belt Asteroid          SPK-ID: 2442378
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287468011777388 6.8933e-08  
a 2.778997687347483 5.7882e-08 au
q 2.421210624621161 1.9877e-07 au
i 6.053270149103255 9.6721e-06 deg
node 76.35148112232321 5.8875e-05 deg
peri 313.4867031079561 6.9821e-05 deg
M 218.6467593971503 3.8453e-05 deg
tp 2459264.906654447959
(2021-Feb-19.40665445)
0.00018991 TDB
period 1692.118232176158
4.63
5.2866e-05
1.447e-07
d
yr
n .2127510910020868 6.6468e-09 deg/d
Q 3.136784750073806 6.5334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4221 days (11.56 yr)  
   first obs. used      2007-12-04  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:05  

Additional Information
 Earth MOID = 1.4311 au 
 Jupiter MOID = 2.29538 au 
 T_jup = 3.314 
[ 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 17.1   n/a MPO397580  

442378 (2011 TK17)          Discovered 2007-Dec-04 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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