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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571296663075145 4.4484e-08  
a 2.329903279864253 8.1478e-09 au
q 1.963806354970399 1.0136e-07 au
i 3.297412898601118 5.4574e-06 deg
node 221.8515677392752 5.9841e-05 deg
peri 209.8382830802963 6.1491e-05 deg
M 249.0456835341464 1.3156e-05 deg
tp 2459400.856577079984
(2021-Jul-05.35657708)
4.7587e-05 TDB
period 1298.98837953862
3.56
6.814e-06
1.866e-08
d
yr
n .2771387378598923 1.4538e-09 deg/d
Q 2.696000204758107 9.4281e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      24023 days (65.77 yr)  
   first obs. used      1953-11-09  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:19:06  

Additional Information
 Earth MOID = .979115 au 
 Jupiter MOID = 2.57221 au 
 T_jup = 3.553 
[ 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 14.8   n/a MPO319273  

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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