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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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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382365539652606 3.375e-08  
a 2.721118009999324 1.0805e-08 au
q 2.34496003336421 8.9629e-08 au
i 1.591017054660128 4.1876e-06 deg
node 198.2738858199381 0.00011977 deg
peri 309.4758259399632 0.00012064 deg
M 222.1288948928423 1.485e-05 deg
tp 2460024.399660063198
(2023-Mar-20.89966006)
6.8812e-05 TDB
period 1639.530469035286
4.49
9.765e-06
2.674e-08
d
yr
n .2195750593228238 1.3078e-09 deg/d
Q 3.097275986634438 1.2298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      10711 days (29.33 yr)  
   first obs. used      1992-04-05  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:16:57  

Additional Information
 Earth MOID = 1.35762 au 
 Jupiter MOID = 1.90855 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457207.5 (2015-Jul-04.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362002647370959 3.3224e-08  
q 2.351526926196174 8.7858e-08 au
tp 2456736.144334108253
(2014-Mar-19.64433411)
6.6449e-05 TDB
node 198.6396236300803 0.00012001 deg
peri 307.926369186111 0.00012094 deg
i 1.588110800048603 4.1853e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      10711 days (29.33 yr)  
   first obs. used      1992-04-05  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 15:16:57  

Additional Information
 Jupiter MOID = 1.90855 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.103861544897548E-15 -2.904287265777969E-15 5.746573497254561E-13 3.227238431582348E-15 1.235641925525165E-13 1.139443166057317E-16
q -2.904287265777969E-15 7.719051611594597E-15 -1.49110312507708E-12 -8.405919153840991E-15 -3.153647624225973E-13 -2.584829684401492E-16
tp 5.746573497254561E-13 -1.49110312507708E-12 4.415441635206093E-9 -2.91574652993845E-13 1.004196268982907E-9 3.689647462203271E-13
node 3.227238431582348E-15 -8.405919153840991E-15 -2.91574652993845E-13 1.440151755668043E-8 -1.439569750823433E-8 2.510541980654009E-11
peri 1.235641925525165E-13 -3.153647624225973E-13 1.004196268982907E-9 -1.439569750823433E-8 1.462555707607462E-8 -2.500634782410487E-11
i 1.139443166057317E-16 -2.584829684401492E-16 3.689647462203271E-13 2.510541980654009E-11 -2.500634782410487E-11 1.751704866991595E-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 14.34   n/a MPO636422  
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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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