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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08058477448514065 7.2702e-08  
a 3.459644630053111 3.1416e-08 au
q 3.180849947741553 2.423e-07 au
i 9.537122658147362 5.7233e-06 deg
node 354.421483258638 3.1193e-05 deg
peri 27.93561270137913 4.5087e-05 deg
M 82.16046271504955 3.0731e-05 deg
tp 2458664.078669500456
(2019-Jun-29.57866950)
0.00020041 TDB
period 2350.421024886255
6.44
3.2016e-05
8.766e-08
d
yr
n .1531640485633512 2.0863e-09 deg/d
Q 3.738439312364669 3.3948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      7806 days (21.37 yr)  
   first obs. used      1999-09-06  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:53  

Additional Information
 Earth MOID = 2.18524 au 
 Jupiter MOID = 1.74767 au 
 T_jup = 3.107 
[ 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 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

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