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JPL Small-Body Database Browser
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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02585338992022491 3.2846e-08  
a 2.540876269224547 9.9179e-09 au
q 2.475186004297238 8.5825e-08 au
i 4.561132725729652 3.5896e-06 deg
node 71.2950216629401 5.2488e-05 deg
peri 241.6518025563241 9.8675e-05 deg
M 265.072402624742 8.4521e-05 deg
tp 2459390.588988156991
(2021-Jun-25.08898816)		 0.00034746 TDB
period 1479.359423597073
4.05		 8.6617e-06
2.371e-08		 d
yr
n .2433485698321084 1.4248e-09 deg/d
Q 2.606566534151856 1.0174e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1749  
   data-arc span      11169 days (30.58 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50861  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:09:01  

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

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