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129424 (3415 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2129424
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 .3084650699684482 4.3184e-08  
a 3.071318092882949 1.7126e-08 au
q 2.123923742466449 1.3463e-07 au
i 4.80386494171383 6.3173e-06 deg
node 33.83185053357901 5.3069e-05 deg
peri 305.6525702094924 5.3981e-05 deg
M 349.3258788826066 9.4251e-06 deg
tp 2459058.792844728871
(2020-Jul-28.29284473)
5.1661e-05 TDB
period 1966.009554472628
5.38
1.6444e-05
4.502e-08
d
yr
n .1831120297360753 1.5315e-09 deg/d
Q 4.018712443299449 2.2408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      15639 days (42.82 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:40:35  

Additional Information
 Earth MOID = 1.11986 au 
 Jupiter MOID = 1.4129 au 
 T_jup = 3.151 
[ 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 14.9   n/a MPO401140  

129424 (3415 T-3)          Discovered 1977-Oct-16 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
 3415 T-3 = 2004 PB85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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