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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510554255995512 2.8891e-08  
a 2.36475478807632 1.1004e-08 au
q 2.007545747124875 6.9691e-08 au
i 3.550080459914818 3.7639e-06 deg
node 88.75211485800369 6.6501e-05 deg
peri 334.436937280335 6.8208e-05 deg
M 119.1747616228472 1.5515e-05 deg
tp 2458560.797040991817
(2019-Mar-18.29704099)
5.6284e-05 TDB
period 1328.243187461928
3.64
9.271e-06
2.538e-08
d
yr
n .2710347046371122 1.8918e-09 deg/d
Q 2.721963829027764 1.2666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5158  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:59:33  

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 16.3   n/a MPO412739  

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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