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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052994127736446 2.2154e-08  
a 2.393660563411984 5.6807e-09 au
q 1.902243455364073 5.3141e-08 au
i 4.633637156378841 1.6948e-06 deg
node 352.2790872499399 1.6465e-05 deg
peri 27.87559293115278 1.7842e-05 deg
M 20.60229680626589 4.2683e-06 deg
tp 2459123.088512516771
(2020-Sep-30.58851252)
1.5986e-05 TDB
period 1352.671294662975
3.70
4.8153e-06
1.318e-08
d
yr
n .2661400455679042 9.4742e-10 deg/d
Q 2.885077671459896 6.847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2265  
   data-arc span      17630 days (48.27 yr)  
   first obs. used      1972-12-02  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:48:51  

Additional Information
 Earth MOID = .904565 au 
 Jupiter MOID = 2.58764 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 14.32   n/a E2021B10  
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

[ show close-approach data ]
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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