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102396 (1999 TD166)
Classification: Main-belt Asteroid          SPK-ID: 2102396
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08847981693503815 3.1287e-08  
a 2.326519163555034 9.233e-09 au
q 2.120669173867827 7.1095e-08 au
i 6.00287932920808 3.4728e-06 deg
node 225.4435483393828 4.4135e-05 deg
peri 42.96762487882518 5.3697e-05 deg
M 84.95185877470583 2.8986e-05 deg
tp 2458894.635718733431
(2020-Feb-15.13571873)
0.00010474 TDB
period 1296.159293559212
3.55
7.7159e-06
2.112e-08
d
yr
n .277743639835696 1.6534e-09 deg/d
Q 2.532369153242242 1.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      10269 days (28.11 yr)  
   first obs. used      1992-10-25  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:20  

Additional Information
 Earth MOID = 1.10773 au 
 Jupiter MOID = 2.51858 au 
 T_jup = 3.561 
[ 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 16.25   n/a E2021B55  
rotation period rot_per 38.9807 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

102396 (1999 TD166)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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