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15243 (1989 TU1)
Classification: Main-belt Asteroid          SPK-ID: 2015243
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2857503493928158 6.8874e-08  
a 2.670013242607795 1.624e-08 AU
q 1.907056025649173 1.8022e-07 AU
i 6.670581369945899 7.5214e-06 deg
node 260.3762716672626 6.3676e-05 deg
peri 160.2008108027231 6.5135e-05 deg
M 215.8489684262113 1.3614e-05 deg
tp 2457438.592740565515
(2016-Feb-20.09274057)
6.3686e-05 JED
period 1593.560476783675
4.36
1.4539e-05
3.981e-08
d
yr
n .2259092172809139 2.0611e-09 deg/d
Q 3.432970459566417 2.0881e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      8668 days (23.73 yr)  
   first obs. used      1989-10-09  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:57:45  

Additional Information
 Earth MOID = .920526 AU 
 T_jup = 3.312 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO266038  

15243 (1989 TU1)          Discovered 1989-Oct-09 by Oshima, Y. at Gekko (888)
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TU1 = 1997 ND8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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