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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053431904868203 3.7726e-08  
a 2.393841679480269 8.5439e-09 au
q 1.902282591495462 9.2039e-08 au
i 4.633494893825167 4.7228e-06 deg
node 352.2799449723386 4.2875e-05 deg
peri 27.83776357412212 4.421e-05 deg
M 327.4020878638944 1.2937e-05 deg
tp 2459122.997957467395
(2020-Sep-30.49795747)
4.902e-05 TDB
period 1352.824822158405
3.70
7.2426e-06
1.983e-08
d
yr
n .2661098422378348 1.4247e-09 deg/d
Q 2.885400767465075 1.0298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      17020 days (46.60 yr)  
   first obs. used      1972-12-02  
   last obs. used      2019-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51262  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:11:40  

Additional Information
 Earth MOID = .905948 au 
 Jupiter MOID = 2.58618 au 
 T_jup = 3.497 
[ 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 14.2   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

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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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