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129408 (1045 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2129408
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01014989379563788 4.7222e-08  
a 3.076896081108671 3.4375e-08 au
q 3.045665912665203 1.435e-07 au
i 8.236492492180009 6.2136e-06 deg
node 331.4524407789094 3.1687e-05 deg
peri 305.6941847517578 0.00028328 deg
M 61.16399031190362 0.00028134 deg
tp 2458665.564655132589
(2019-Jul-01.06465513)
0.0015403 TDB
period 1971.367851204461
5.40
3.3036e-05
9.045e-08
d
yr
n .1826143201939953 3.0602e-09 deg/d
Q 3.108126249552138 3.4724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      15631 days (42.80 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5427  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:40:35  

Additional Information
 Earth MOID = 2.03667 au 
 Jupiter MOID = 1.92052 au 
 T_jup = 3.213 
[ 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 14.8   n/a MPO436627  

129408 (1045 T-3)          Discovered 1977-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1045 T-3 = 2004 RG328 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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