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179806 (2002 TD66)
Classification: Apollo [NEO, PHA]          SPK-ID: 2179806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5350601772754009 4.734e-08  
a 1.857336399431374 1.9678e-08 au
q .8635496562915682 8.0034e-08 au
i 4.927524821431119 1.0001e-05 deg
node 335.5564857918839 1.7719e-05 deg
peri 125.8875853700144 2.1481e-05 deg
M 317.5672521611401 2.6402e-05 deg
tp 2459109.476520578405
(2020-Sep-16.97652058)
6.9533e-05 TDB
period 924.5582576270895
2.53
1.4693e-05
4.023e-08
d
yr
n .3893751389165593 6.1881e-09 deg/d
Q 2.85112314257118 3.0207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      2017 days (5.52 yr)  
   first obs. used      2002-10-05  
   last obs. used      2008-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48409  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:25:52  

Additional Information
 Earth MOID = .00515482 au 
 Jupiter MOID = 2.34816 au 
 T_jup = 3.807 
[ 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 20.2   n/a MPO236989  
rotation period rot_per 9.455 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2008) Minor Planet Bull. 35, 163-167.]

179806 (2002 TD66)          Discovered 2002-Oct-05 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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