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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2854308526797693 4.7614e-08  
a 2.669683018751295 1.234e-08 au
q 1.907673118324412 1.2998e-07 au
i 6.669526510800561 5.308e-06 deg
node 260.3628646800549 5.4149e-05 deg
peri 160.223972692728 5.556e-05 deg
M 351.355897625931 1.0697e-05 deg
tp 2457438.756512462063
(2016-Feb-20.25651246)
4.7435e-05 JED
period 1593.264851612294
4.36
1.1047e-05
3.025e-08
d
yr
n .2259511340099547 1.5666e-09 deg/d
Q 3.431692919178178 1.5862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      9569 days (26.20 yr)  
   first obs. used      1989-10-09  
   last obs. used      2015-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53837  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:30:08  

Additional Information
 Earth MOID = .921236 au 
 Jupiter MOID = 1.92993 au 
 T_jup = 3.313 
[ 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 13.5 mag n/a MPO347645  

15243 (1989 TU1)          Discovered 1989-Oct-09 by Oshima, Y. at Gekko
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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