Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
24268 Charconley (1999 XN156)
Classification: Main-belt Asteroid          SPK-ID: 2024268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0051239693021515 5.3527e-08  
a 2.80979542008019 1.4467e-08 au
q 2.795398114602373 1.4985e-07 au
i 4.225513189192368 5.9078e-06 deg
node 184.6221696976747 4.7995e-05 deg
peri 3.144937176690969 0.00036216 deg
M 60.38530508250772 0.00035747 deg
tp 2458911.937932264137
(2020-Mar-03.43793226)
0.0017088 TDB
period 1720.324907574295
4.71
1.3286e-05
3.638e-08
d
yr
n .2092627958910447 1.6161e-09 deg/d
Q 2.824192725558006 1.4541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1098  
   data-arc span      9829 days (26.91 yr)  
   first obs. used      1993-08-14  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:43  

Additional Information
 Earth MOID = 1.78999 au 
 Jupiter MOID = 2.12994 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.51   n/a E2021B10  
diameter diameter 7.764 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24268 Charconley           Discovered 1999 Dec. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Charles Conley mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Texas Academy of Mathematics & Science, Denton, Texas.
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

Alternate Designations
 1999 XN156 = 1998 RQ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-20 02:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin