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100018 (1989 TA5)
Classification: Main-belt Asteroid          SPK-ID: 2100018
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510554240659351 2.6998e-08  
a 2.364754788585469 1.036e-08 au
q 2.00754575118374 6.4047e-08 au
i 3.550083797049506 3.3619e-06 deg
node 88.75213955057519 6.5394e-05 deg
peri 334.4369123936181 6.6989e-05 deg
M 119.1747615795908 1.5315e-05 deg
tp 2458560.797041009407
(2019-Mar-18.29704101)		 5.5355e-05 TDB
period 1328.243187890899
3.64		 8.7286e-06
2.39e-08		 d
yr
n .2710347045495785 1.7811e-09 deg/d
Q 2.721963825987198 1.1925e-08 au
   Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      11193 days (30.64 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:08:32  

Additional Information
 Earth MOID = 1.02153 au 
 Jupiter MOID = 2.57402 au 
 T_jup = 3.531 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.42   n/a E2021B55  

100018 (1989 TA5)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1989 TA5 = 2000 UL85 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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