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24215 Jongastel (1999 XN68)
Classification: Main-belt Asteroid          SPK-ID: 2024215
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05290902205772286 2.7829e-08  
a 2.414324717730922 8.2532e-09 au
q 2.286585157985991 7.0801e-08 au
i 1.686570119890289 3.8088e-06 deg
node 192.1176397602621 9.2188e-05 deg
peri 106.6416630056319 0.00010007 deg
M 351.1923889171516 3.7824e-05 deg
tp 2459234.023362742774
(2021-Jan-19.52336274)
0.00014394 TDB
period 1370.225192038753
3.75
7.026e-06
1.924e-08
d
yr
n .2627305366239526 1.3472e-09 deg/d
Q 2.542064277475853 8.6898e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1916  
   data-arc span      17987 days (49.25 yr)  
   first obs. used      1971-05-14  
   last obs. used      2020-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:37:53  

Additional Information
 Earth MOID = 1.26955 au 
 Jupiter MOID = 2.5439 au 
 T_jup = 3.515 
[ 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 14.73   n/a E2021B10  
diameter diameter 2.949 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.036 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
geometric albedo albedo 0.322   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

24215 Jongastel           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Jonathan Gastel mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Stuyvesant High School, New York, New York.
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 XN68 = 1995 XR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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