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129005 (2004 TK291)
Classification: Main-belt Asteroid          SPK-ID: 2129005
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02947262060582527 5.2798e-08  
a 2.670493562529185 1.7442e-08 au
q 2.591787118930463 1.4163e-07 au
i .8786022502860463 5.7128e-06 deg
node 221.4906951213544 0.00036019 deg
peri 289.6907704943185 0.00037386 deg
M 81.12144417506278 9.8129e-05 deg
tp 2458641.314411854213
(2019-Jun-06.81441185)
0.00043467 TDB
period 1593.990504575277
4.36
1.5616e-05
4.275e-08
d
yr
n .225848271345834 2.2126e-09 deg/d
Q 2.749200006127906 1.7956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      8979 days (24.58 yr)  
   first obs. used      1995-09-24  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:41:35  

Additional Information
 Earth MOID = 1.6018 au 
 Jupiter MOID = 2.22437 au 
 T_jup = 3.380 
[ 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 16.5   n/a MPO432770  

129005 (2004 TK291)          Discovered 2004-Oct-10 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2004 TK291 = 1995 SJ73 = 2002 ES122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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