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24264 (1999 XL143)
Classification: Main-belt Asteroid          SPK-ID: 2024264
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 .1259087435401108 2.9036e-08  
a 2.769949192063677 1.2061e-08 au
q 2.421188369620994 8.0126e-08 au
i 9.103642775261751 3.6817e-06 deg
node 172.1345229806206 2.3096e-05 deg
peri 292.337524056261 2.8568e-05 deg
M 180.0000451717352 1.7306e-05 deg
tp 2460042.430081545742
(2023-Apr-07.93008155)
8.2888e-05 TDB
period 1683.860585663176
4.61
1.0998e-05
3.011e-08
d
yr
n .2137944216196596 1.3964e-09 deg/d
Q 3.118710014506359 1.3579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1575  
   data-arc span      8913 days (24.40 yr)  
   first obs. used      1996-03-25  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:34  

Additional Information
 Earth MOID = 1.45509 au 
 Jupiter MOID = 2.04267 au 
 T_jup = 3.308 
[ 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 14.06   n/a E2021B10  
diameter diameter 3.826 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.5354 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.364   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24264 (1999 XL143)          Discovered 1999-Dec-15 by Juels, C. W. at Fountain Hills
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XL143 = 1996 FX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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