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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2856323650773812 6.7696e-08  
a 2.670138068899606 1.6762e-08 AU
q 1.90746021719666 1.7726e-07 AU
i 6.669888911644157 7.5431e-06 deg
node 260.3742063380799 5.6538e-05 deg
peri 160.2041311188552 5.8042e-05 deg
M 261.0157722926614 1.244e-05 deg
tp 2457438.690041226931
(2016-Feb-20.19004123)
5.7332e-05 JED
period 1593.672229358616
4.36
1.5006e-05
4.108e-08
d
yr
n .2258933759201441 2.1271e-09 deg/d
Q 3.432815920602553 2.1549e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1989-10-09  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:55:59  

Additional Information
 Earth MOID = .921571 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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