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24261 Judilegault (1999 XA130)
Classification: Main-belt Asteroid          SPK-ID: 2024261
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216706675355697 3.3131e-08  
a 2.393277729589812 8.3133e-09 au
q 2.102086030632607 8.1603e-08 au
i 6.22335668780957 3.7372e-06 deg
node 326.2684356006931 3.3456e-05 deg
peri 344.5921050187002 3.7237e-05 deg
M 358.3566935986129 1.7446e-05 deg
tp 2459206.673111515406
(2020-Dec-23.17311152)
6.554e-05 TDB
period 1352.346795260142
3.70
7.0463e-06
1.929e-08
d
yr
n .2662039066175694 1.387e-09 deg/d
Q 2.684469428547017 9.3248e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      10593 days (29.00 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:32  

Additional Information
 Earth MOID = 1.08664 au 
 Jupiter MOID = 2.56119 au 
 T_jup = 3.513 
[ 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 14.43   n/a E2021B10  
rotation period rot_per 13.552 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

24261 Judilegault           Discovered 1999 Dec. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Judith Legault mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Lake Highland Preparatory School, Orlando, Florida.
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 XA130 = 1991 RP21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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