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24208 Stelguerrero (1999 XC51)
Classification: Main-belt Asteroid          SPK-ID: 2024208
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373572360857616 3.3688e-08  
a 2.723431257300276 1.1023e-08 au
q 2.34934826712794 8.9436e-08 au
i 1.589089792268638 4.1854e-06 deg
node 198.3264531416741 0.00012017 deg
peri 309.2561667548129 0.00012106 deg
M 179.3026273376857 1.4917e-05 deg
tp 2458382.869269619208
(2018-Sep-21.36926962)
6.6945e-05 TDB
period 1641.621583060982
4.49
9.967e-06
2.729e-08
d
yr
n .2192953624115619 1.3314e-09 deg/d
Q 3.097514247472613 1.2538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1521  
   data-arc span      10425 days (28.54 yr)  
   first obs. used      1992-04-05  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:45  

Additional Information
 Earth MOID = 1.36117 au 
 Jupiter MOID = 1.90908 au 
 T_jup = 3.343 
[ 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 14.33   n/a E2021B10  
diameter diameter 3.970 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24208 Stelguerrero           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Stella Guerrero mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Cedar Shoals High School, Athens, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080221/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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