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118129 (3459 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2118129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969915649369915 4.9573e-08  
a 2.23882282022853 1.1006e-08 au
q 1.797793609255063 1.1136e-07 au
i 1.885692243753917 4.7835e-06 deg
node 200.5727367710279 0.00012946 deg
peri 200.5499719243519 0.00013007 deg
M 306.956685980507 1.1695e-05 deg
tp 2459380.783575848903
(2021-Jun-15.28357585)
4.0374e-05 TDB
period 1223.567729605925
3.35
9.0224e-06
2.47e-08
d
yr
n .2942215549571134 2.1695e-09 deg/d
Q 2.679852031201997 1.3174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      15175 days (41.55 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:55:50  

Additional Information
 Earth MOID = .805167 au 
 Jupiter MOID = 2.72693 au 
 T_jup = 3.610 
[ 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 17.2   n/a MPO469222  

118129 (3459 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 3459 T-3 = 1997 RD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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