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175657 (3426 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2175657
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272081536059144 4.9021e-08  
a 2.388394994906278 1.1303e-08 au
q 1.845732178032016 1.147e-07 au
i 2.596837159015711 5.3487e-06 deg
node 22.64494843552467 7.7829e-05 deg
peri 6.421464765339803 7.8326e-05 deg
M 242.378607952937 9.6617e-06 deg
tp 2459640.995493467680
(2022-Mar-02.49549347)
3.8355e-05 TDB
period 1348.210345826498
3.69
9.5705e-06
2.62e-08
d
yr
n .267020647864342 1.8955e-09 deg/d
Q 2.931057811780541 1.3871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      15544 days (42.56 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:17  

Additional Information
 Earth MOID = .849622 au 
 Jupiter MOID = 2.5189 au 
 T_jup = 3.497 
[ 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 17.71   n/a E2021B55  

175657 (3426 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 3426 T-3 = 2003 UF234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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