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78666 (2002 TZ89)
Classification: Main-belt Asteroid          SPK-ID: 2078666
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564201451903044 3.3503e-08  
a 2.351295507003676 9.0817e-09 au
q 1.983505522412851 7.8781e-08 au
i 5.73852369708183 3.6315e-06 deg
node 291.5668078040549 4.6286e-05 deg
peri 317.6788722323912 4.8557e-05 deg
M 82.39901961743246 1.4801e-05 deg
tp 2458699.075331767748
(2019-Aug-03.57533177)
5.4135e-05 TDB
period 1316.919558842099
3.61
7.6298e-06
2.089e-08
d
yr
n .2733652162600803 1.5838e-09 deg/d
Q 2.719085491594502 1.0502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1997-02-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:59  

Additional Information
 Earth MOID = .973685 au 
 Jupiter MOID = 2.33894 au 
 T_jup = 3.534 
[ 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 15.8   n/a MPO432336  

78666 (2002 TZ89)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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