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129549 (1996 TG9)
Classification: Main-belt Asteroid          SPK-ID: 2129549
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859049407505034 3.0204e-08  
a 2.406224817236716 1.2328e-08 au
q 1.958895735155933 7.3104e-08 au
i 1.595303321063916 3.5303e-06 deg
node 245.5415275360257 0.00018948 deg
peri 2.145109987787316 0.00019 deg
M 256.0487999244907 1.61e-05 deg
tp 2459394.167657601471
(2021-Jun-28.66765760)
6.2019e-05 TDB
period 1363.335455806041
3.73
1.0478e-05
2.869e-08
d
yr
n .2640582686138374 2.0294e-09 deg/d
Q 2.853553899317498 1.462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58335  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:56  

Additional Information
 Earth MOID = .945167 au 
 Jupiter MOID = 2.17709 au 
 T_jup = 3.498 
[ 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 16.6   n/a MPO453774  

129549 (1996 TG9)          Discovered 1996-Oct-12 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1996 TG9 = 2000 WW52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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