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15093 Lestermackey (1999 TA31)
Classification: Main-belt Asteroid          SPK-ID: 2015093
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157129196718323 3.0335e-08  
a 2.328750431051418 6.5321e-09 au
q 1.962835746462861 7.1579e-08 au
i 3.297789270584422 3.5891e-06 deg
node 221.8236960064842 5.908e-05 deg
peri 210.0472406072219 6.0255e-05 deg
M 304.3072484413468 1.2516e-05 deg
tp 2459401.307081274905
(2021-Jul-05.80708127)
4.5394e-05 TDB
period 1298.024379040289
3.55
5.4614e-06
1.495e-08
d
yr
n .2773445597887543 1.1669e-09 deg/d
Q 2.694665115639976 7.5584e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1562  
   data-arc span      24564 days (67.25 yr)  
   first obs. used      1953-11-09  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:47:22  

Additional Information
 Earth MOID = .977659 au 
 Jupiter MOID = 2.57297 au 
 T_jup = 3.554 
[ 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 14.88   n/a E2021B10  

15093 Lestermackey           Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lester Wayne Mackey (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for his mathematics project. He attends the Half Hollow Hills High School West, Dix Hills, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030216/MPCPages.arcLast Updated: 2011-11-22

[ show close-approach data ]
Alternate Designations
 1999 TA31 = 1953 VS2 = 1953 XP1 = 1985 VF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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