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15244 (1989 TY2)
Classification: Main-belt Asteroid          SPK-ID: 2015244
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02585338592759833 3.2431e-08  
a 2.54087626747176 9.6204e-09 au
q 2.475186012734537 8.5132e-08 au
i 4.561132842206763 3.5673e-06 deg
node 71.29502762608969 5.0727e-05 deg
peri 241.6517978784393 9.7748e-05 deg
M 265.0724022601966 8.4496e-05 deg
tp 2459390.588989251383
(2021-Jun-25.08898925)
0.00034737 TDB
period 1479.359422066301
4.05
8.4019e-06
2.3e-08
d
yr
n .2433485700839142 1.3821e-09 deg/d
Q 2.606566522208983 9.8691e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1832  
   data-arc span      11222 days (30.72 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:48:56  

Additional Information
 Earth MOID = 1.46419 au 
 Jupiter MOID = 2.44254 au 
 T_jup = 3.441 
[ 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 14.3   n/a MPO384886  

15244 (1989 TY2)          Discovered 1989-Oct-07 by Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1989 TY2 = 1998 YJ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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