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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08847981782481469 3.1287e-08  
a 2.326519165094102 9.2329e-09 au
q 2.120669173200636 7.1095e-08 au
i 6.002879323204886 3.4728e-06 deg
node 225.4435482058114 4.4135e-05 deg
peri 42.96762381699968 5.3697e-05 deg
M 84.95185967905857 2.8986e-05 deg
tp 2458894.635715173853
(2020-Feb-15.13571517)
0.00010474 TDB
period 1296.15929484539
3.55
7.7158e-06
2.112e-08
d
yr
n .2777436395600913 1.6534e-09 deg/d
Q 2.532369156987568 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:48  

Additional Information
 Earth MOID = 1.10773 au 
 Jupiter MOID = 2.51858 au 
 T_jup = 3.561 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457878.5 (2017-May-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08790728925707926 3.132e-08  
q 2.122539530214654 7.1163e-08 au
tp 2457599.135422483480
(2016-Jul-29.63542248)
0.00010737 TDB
node 225.4827006491582 4.4106e-05 deg
peri 43.29314279111497 5.3759e-05 deg
i 6.004183741389154 3.4734e-06 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:48  

Additional Information
 Jupiter MOID = 2.51858 au 
 T_jup = 3.561 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.809736207915156E-16 -2.214178860932182E-15 4.035972671476369E-13 4.089464985804195E-15 7.996848308883582E-14 -1.822881165252547E-15
q -2.214178860932182E-15 5.064202187005676E-15 -1.203341320786407E-12 -8.03056368747029E-15 -2.618223998190979E-13 4.386446838207885E-15
tp 4.035972671476369E-13 -1.203341320786407E-12 1.152871648248273E-8 -3.154874022410709E-12 3.323194278999402E-9 -1.001949574848159E-11
node 4.089464985804195E-15 -8.03056368747029E-15 -3.154874022410709E-12 1.945371996121361E-9 -1.935453187370104E-9 -5.898515498476275E-11
peri 7.996848308883582E-14 -2.618223998190979E-13 3.323194278999402E-9 -1.935453187370104E-9 2.889993003911245E-9 5.58183817075312E-11
i -1.822881165252547E-15 4.386446838207885E-15 -1.001949574848159E-11 -5.898515498476275E-11 5.58183817075312E-11 1.206458222708082E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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