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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2880508953358073 3.3669e-08  
a 2.667003076562025 1.1311e-08 au
q 1.898770452494981 9.3596e-08 au
i 6.703347058441024 3.5191e-06 deg
node 260.1132524340809 3.7968e-05 deg
peri 161.1858836756857 3.8834e-05 deg
M 351.9083909323243 9.4118e-06 deg
tp 2459036.257413236901
(2020-Jul-05.75741324)
4.1747e-05 TDB
period 1590.866372512717
4.36
1.0121e-05
2.771e-08
d
yr
n .2262917905740837 1.4396e-09 deg/d
Q 3.435235700629069 1.457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1569  
   data-arc span      11259 days (30.83 yr)  
   first obs. used      1989-10-09  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:58:07  

Additional Information
 Earth MOID = .913292 au 
 Jupiter MOID = 1.91876 au 
 T_jup = 3.313 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO347645  
diameter diameter 9.654 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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