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129891 (1999 TO29)
Classification: Main-belt Asteroid          SPK-ID: 2129891
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044693287882982 1.0953e-07  
a 2.552279202349838 1.4894e-08 au
q 2.030416386965034 2.887e-07 au
i 4.657412351792228 4.8594e-06 deg
node 200.6687756762866 7.7763e-05 deg
peri 136.2642531067249 7.9026e-05 deg
M 45.26891203614463 1.476e-05 deg
tp 2458813.221356276742
(2019-Nov-25.72135628)
6.0009e-05 TDB
period 1489.329182166816
4.08
1.3037e-05
3.569e-08
d
yr
n .241719563620071 2.1159e-09 deg/d
Q 3.074142017734643 1.794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      10161 days (27.82 yr)  
   first obs. used      1991-11-03  
   last obs. used      2019-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:24:26  

Additional Information
 Earth MOID = 1.02442 au 
 Jupiter MOID = 2.33606 au 
 T_jup = 3.405 
[ 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 MPO436629  

129891 (1999 TO29)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 TO29 = 1995 TA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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