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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 ]

[ show orbit diagram ]
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

[ 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
1926-Aug-12 04:37 00:02 Jupiter 1.95115599510833 1.95115562274731 1.9511563674699 2.24610564700404 2.04371334600804 2424739.692492037 1.53684765837206 79.7060147962724 3.13944468596824 -83.4061651393562 3656480.34994569 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
1962-Oct-28 09:15 < 00:01 Jupiter 1.90910807827711 1.90910775076398 1.90910840579024 2.20874000843687 1.99779465629403 2437965.885686841 0.911274484245731 61.7933990415138 5.29502709063868 -86.3848105791424 2920397.59468093 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
1999-Jan-11 16:06 < 00:01 Jupiter 1.95382691894731 1.95382654303491 1.95382729485961 2.52816881328219 2.35044636098393 2451190.170519114 0.307793211247118 37.6482665037135 5.57244944276757 87.5646425352128 2820758.10775316 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
2092-Nov-09 10:32 00:01 Jupiter 1.93278630615281 1.93278584508615 1.93278676722003 2.21071185686524 2.00269037421086 2485460.939132123 1.30802896964223 75.7270748427298 3.93664255621179 -84.7576327537638 3418912.80338393 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
2129-Jan-25 02:00 00:02 Jupiter 1.90518452695227 1.90518422626027 1.90518482764428 2.23049969270136 2.02137392135251 2498685.583189838 1.93105192620143 116.062668249543 5.6488576258413 -86.6137367779049 3106493.7558003 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
2165-Apr-11 23:37 00:03 Jupiter 1.96781657283632 1.96781585664105 1.96781728903406 2.61258775804658 2.44228158098716 2511911.484200429 2.56349286242975 142.500240153219 6.31562678554663 85.7586660399005 2843328.95156524 T 28 CATAB v2.0g-lin.ifort 2021-Aug-25 15:17:03 2021-Aug-25 15:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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