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15129 Sparks (2000 ET47)
Classification: Main-belt Asteroid          SPK-ID: 2015129
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053431933333738 3.7538e-08  
a 2.393841678010626 8.086e-09 au
q 1.902282583513402 9.1343e-08 au
i 4.633494706271734 4.7283e-06 deg
node 352.2799396301438 4.2284e-05 deg
peri 27.83776688438598 4.3531e-05 deg
M 327.4020906820793 1.2058e-05 deg
tp 2459122.997946764281
(2020-Sep-30.49794676)
4.5665e-05 TDB
period 1352.824820912602
3.70
6.8545e-06
1.877e-08
d
yr
n .2661098424828927 1.3483e-09 deg/d
Q 2.88540077250785 9.7465e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1768  
   data-arc span      17412 days (47.67 yr)  
   first obs. used      1972-12-02  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:57:32  

Additional Information
 Earth MOID = .905948 au 
 Jupiter MOID = 2.58618 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456577.5 (2013-Oct-12.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2061294768309825 3.7458e-08  
q 1.900675297044039 9.1124e-08 au
tp 2456418.703848200330
(2013-May-06.20384820)
3.9319e-05 TDB
node 352.4430067494848 4.2306e-05 deg
peri 27.97697383145412 4.3535e-05 deg
i 4.633165398017615 4.726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1768  
   data-arc span      17412 days (47.67 yr)  
   first obs. used      1972-12-02  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:57:32  

Additional Information
 Jupiter MOID = 2.58618 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.403133543955893E-15 -3.4055133571131E-15 -5.660618332008674E-13 -1.648621164411607E-15 -1.536379256955285E-13 2.022526079614164E-16
q -3.4055133571131E-15 8.303510221483351E-15 1.425136384417483E-12 3.781260887622761E-15 3.861422900358319E-13 -4.920952553658149E-16
tp -5.660618332008674E-13 1.425136384417483E-12 1.545960910129362E-9 -3.472921143325363E-12 4.127855753490934E-10 -1.725615940526233E-13
node -1.648621164411607E-15 3.781260887622761E-15 -3.472921143325363E-12 1.789820411260671E-9 -1.784362895421237E-9 -2.509611244016363E-11
peri -1.536379256955285E-13 3.861422900358319E-13 4.127855753490934E-10 -1.784362895421237E-9 1.895327438690426E-9 2.495129281353916E-11
i 2.022526079614164E-16 -4.920952553658149E-16 -1.725615940526233E-13 -2.509611244016363E-11 2.495129281353916E-11 2.233519898799288E-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 14.2   n/a MPO384886  
diameter diameter 2.211 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.908   0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15129 Sparks           Discovered 2000 Mar. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Branson B. Sparks for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Branson is a student at the Alexandria Country Day School, Alexandria, Louisiana.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2156-Mar-02 23:20 00:12 Hygie 0.044728361979871 0.0447261442627239 0.044730581057195 3.21512744457248 3.21512717590119 2508584.472148682 11.7647686791996 409.055085635643 19.1859351082431 -74.5766567348815 335296.974238763 T 29 CATAB v2.0f-lin.ifort 2020-Aug-25 00:57:44 2020-Aug-25 00:57

Alternate Designations
 2000 ET47 = 1972 XQ = 1983 VA2 = 1992 CA5 = 1998 XW35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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