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102218 (1999 TA6)
Classification: Outer Main-belt Asteroid          SPK-ID: 2102218
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08058476689785429 7.0987e-08  
a 3.459644633858323 3.1097e-08 au
q 3.180849977489437 2.3515e-07 au
i 9.537121450804889 5.3812e-06 deg
node 354.4214782014502 3.0152e-05 deg
peri 27.93561641306609 4.4359e-05 deg
M 82.16046342692186 3.0713e-05 deg
tp 2458664.078663967677
(2019-Jun-29.57866397)
0.00020026 TDB
period 2350.421028764044
6.44
3.169e-05
8.676e-08
d
yr
n .1531640483106569 2.0651e-09 deg/d
Q 3.738439290227208 3.3603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      7829 days (21.43 yr)  
   first obs. used      1999-09-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:57  

Additional Information
 Earth MOID = 2.18524 au 
 Jupiter MOID = 1.74767 au 
 T_jup = 3.107 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457537.5 (2016-May-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07847437342628166 7.0601e-08  
q 3.18801339917446 2.3172e-07 au
tp 2458664.110171745455
(2019-Jun-29.61017175)
0.00020614 TDB
node 354.4620124751577 3.0124e-05 deg
peri 27.64658251363893 4.5095e-05 deg
i 9.541192254324992 5.383e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      7829 days (21.43 yr)  
   first obs. used      1999-09-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:57  

Additional Information
 Jupiter MOID = 1.74767 au 
 T_jup = 3.107 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.984540733341979E-15 -1.625517826523847E-14 -1.972283626625459E-12 1.448407023647662E-14 -6.704229614547836E-13 -4.756956228224997E-15
q -1.625517826523847E-14 5.369302812695882E-14 6.654907243857204E-12 -4.393752977244498E-14 2.156707247639046E-12 1.528819624156448E-14
tp -1.972283626625459E-12 6.654907243857204E-12 4.24921188300678E-8 -4.919709372369469E-11 6.858043245987171E-9 -1.879709361809263E-11
node 1.448407023647662E-14 -4.393752977244498E-14 -4.919709372369469E-11 9.074851780901501E-10 -9.034434638601373E-10 8.465949845405945E-12
peri -6.704229614547836E-13 2.156707247639046E-12 6.858043245987171E-9 -9.034434638601373E-10 2.033598980360631E-9 -1.096561952509745E-11
i -4.756956228224997E-15 1.528819624156448E-14 -1.879709361809263E-11 8.465949845405945E-12 -1.096561952509745E-11 2.897712451903493E-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 14.3   n/a MPO453476  
diameter diameter 8.833 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102218 (1999 TA6)          Discovered 1999-Oct-05 by Bell, G., Hug, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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