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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02602863821785602 3.2039e-08  
a 2.541444468589938 9.4832e-09 au
q 2.475294129966239 8.4163e-08 au
i 4.56071494853934 3.5557e-06 deg
node 71.29504297039531 5.0207e-05 deg
peri 241.2611062001387 9.6769e-05 deg
M 314.1365478440147 8.3701e-05 deg
tp 2459389.031361654023
(2021-Jun-23.53136165)
0.00034414 TDB
period 1479.855680392579
4.05
8.2829e-06
2.268e-08
d
yr
n .2432669649951937 1.3616e-09 deg/d
Q 2.607594807213637 9.73e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1884  
   data-arc span      11251 days (30.80 yr)  
   first obs. used      1989-09-28  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50086  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:52:44  

Additional Information
 Earth MOID = 1.46224 au 
 Jupiter MOID = 2.4405 au 
 T_jup = 3.440 
[ 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 14.35   n/a E2021B10  

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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