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24191 Qiaochuyuan (1999 XK30)
Classification: Main-belt Asteroid          SPK-ID: 2024191
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06063241865543104 4.5227e-08  
a 2.731161553245232 1.502e-08 au
q 2.56556462253325 1.2266e-07 au
i 6.240965424566378 4.1155e-06 deg
node 118.7561304672833 4.7163e-05 deg
peri 284.0768971189091 5.9806e-05 deg
M 267.9895927878101 3.6859e-05 deg
tp 2459621.860639232077
(2022-Feb-11.36063923)
0.00016963 TDB
period 1648.61600681462
4.51
1.36e-05
3.723e-08
d
yr
n .2183649791776409 1.8013e-09 deg/d
Q 2.896758483957214 1.5931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      12220 days (33.46 yr)  
   first obs. used      1987-01-26  
   last obs. used      2020-07-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:24  

Additional Information
 Earth MOID = 1.58223 au 
 Jupiter MOID = 2.34488 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 14.55   n/a E2021B10  
diameter diameter 6.076 km 0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 42.782 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.091   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24191 Qiaochuyuan           Discovered 1999 Dec. 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Qiaochu Yuan (b. 1990) is a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors, for his mathematics project. He attends the Bellevue High School, Bellevue, Washington.
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 ]
Alternate Designations
 1999 XK30 = 1987 BT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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