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JPL Small-Body Database Browser
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447121 (2004 TK339)
Classification: Outer Main-belt Asteroid          SPK-ID: 2447121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799582716905549 7.3777e-08  
a 3.200093270521053 6.4399e-08 au
q 2.624210016309509 2.5073e-07 au
i 17.4603904892314 1.4056e-05 deg
node 27.77042629125447 3.1357e-05 deg
peri 247.6730549591304 5.4624e-05 deg
M 354.7146492839716 4.5379e-05 deg
tp 2459031.198255165799
(2020-Jun-30.69825517)
0.00026406 TDB
period 2090.943903906536
5.72
6.3117e-05
1.728e-07
d
yr
n .1721710464481652 5.1972e-09 deg/d
Q 3.775976524732597 7.5988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      5314 days (14.55 yr)  
   first obs. used      2004-10-05  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:49:59  

Additional Information
 Earth MOID = 1.66775 au 
 Jupiter MOID = 1.55593 au 
 T_jup = 3.098 
[ 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 16.0   n/a MPO349215  

447121 (2004 TK339)          Discovered 2004-Oct-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 TK339 = 2008 FC57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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