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15025 Uwontario (1998 TX28)
Classification: Main-belt Asteroid          SPK-ID: 2015025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1062307046211229 3.8137e-08  
a 3.19924154845252 2.3011e-08 au
q 2.859383864507236 1.2802e-07 au
i 7.274452639649109 4.7548e-06 deg
node 31.23833453814615 3.5842e-05 deg
peri 71.31254710936778 4.2988e-05 deg
M 220.5488865270797 2.5495e-05 deg
tp 2459810.133481094744
(2022-Aug-18.63348109)
0.00015064 TDB
period 2090.109185472421
5.72
2.255e-05
6.174e-08
d
yr
n .1722398057011698 1.8583e-09 deg/d
Q 3.539099232397803 2.5455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1124  
   data-arc span      23922 days (65.49 yr)  
   first obs. used      1955-04-21  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:17  

Additional Information
 Earth MOID = 1.88696 au 
 Jupiter MOID = 1.65013 au 
 T_jup = 3.173 
[ 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 13.7   n/a MPO431673  

15025 Uwontario           Discovered 1998 Oct. 15 by Spacewatch at Kitt Peak.
Founded in 1878, the University of Western Ontario is located in London. The Hume Cronyn Observatory was built on campus in 1940, and the university has a 1.2-m telescope at the Elginfield Observatory. The name was suggested by R. Jedicke and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1998 TX28 = 1981 UX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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