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129329 (2005 TW172)
Classification: Main-belt Asteroid          SPK-ID: 2129329
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312459418363289 5.7806e-08  
a 2.280486205885879 1.3485e-08 au
q 1.981181645949631 1.344e-07 au
i 6.371136540219799 7.6483e-06 deg
node 341.8328959347111 4.4268e-05 deg
peri 38.04635544909832 5.2032e-05 deg
M 98.80835586229752 2.7644e-05 deg
tp 2458655.252316403807
(2019-Jun-20.75231640)
9.523e-05 TDB
period 1257.881127663362
3.44
1.1157e-05
3.055e-08
d
yr
n .2861955649726102 2.5384e-09 deg/d
Q 2.579790765822127 1.5254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:54:04  

Additional Information
 Earth MOID = .986982 au 
 Jupiter MOID = 2.90119 au 
 T_jup = 3.586 
[ 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 MPO502831  

129329 (2005 TW172)          Discovered 2005-Oct-13 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 TW172 = 1998 SU152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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