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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571296922767163 3.052e-08  
a 2.329903284330813 6.6079e-09 au
q 1.963806298229402 7.1959e-08 au
i 3.297415852613989 3.6032e-06 deg
node 221.8515880057945 5.9388e-05 deg
peri 209.8382668771604 6.0555e-05 deg
M 249.0456808604553 1.2444e-05 deg
tp 2459400.856587878727
(2021-Jul-05.35658788)
4.5425e-05 TDB
period 1298.988383273975
3.56
5.5262e-06
1.513e-08
d
yr
n .2771387370629557 1.179e-09 deg/d
Q 2.696000270432225 7.6462e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      24462 days (66.97 yr)  
   first obs. used      1953-11-09  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:49  

Additional Information
 Earth MOID = .979114 au 
 Jupiter MOID = 2.57221 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457324.5 (2015-Oct-29.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584856735549426 3.0637e-08  
q 1.959320089434269 7.2356e-08 au
tp 2456803.192404096993
(2014-May-25.69240410)
4.2333e-05 TDB
node 221.9327504280818 5.9279e-05 deg
peri 209.5024688088881 6.0423e-05 deg
i 3.301095281599043 3.6078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      24462 days (66.97 yr)  
   first obs. used      1953-11-09  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:35:49  

Additional Information
 Jupiter MOID = 2.57221 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.386339921297094E-16 -2.210507072405922E-15 -2.357207916360579E-13 9.347471143596307E-15 -5.25780632762758E-14 -3.419976639667924E-16
q -2.210507072405922E-15 5.23543870449723E-15 5.733469473960756E-13 -2.169815604916839E-14 1.315479544911175E-13 9.155130928572138E-16
tp -2.357207916360579E-13 5.733469473960756E-13 1.792074941734936E-9 -3.077976099280492E-12 5.060357797568325E-10 1.862024879139697E-12
node 9.347471143596307E-15 -2.169815604916839E-14 -3.077976099280492E-12 3.513944733698677E-9 -3.508271925034724E-9 -3.785903893297356E-11
peri -5.25780632762758E-14 1.315479544911175E-13 5.060357797568325E-10 -3.508271925034724E-9 3.650951077261908E-9 3.832563951569733E-11
i -3.419976639667924E-16 9.155130928572138E-16 1.862024879139697E-12 -3.785903893297356E-11 3.832563951569733E-11 1.301653031351941E-11

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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