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 ]  
15494 (1999 CX123)
Classification: Main-belt Asteroid          SPK-ID: 2015494
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335076863559658 3.8238e-08  
a 2.665370664577015 1.1887e-08 au
q 2.309523193868275 9.9216e-08 au
i 15.1063487924498 3.9159e-06 deg
node 45.81340692090963 1.4431e-05 deg
peri 309.8011953172527 1.9904e-05 deg
M 142.2949496032748 1.5161e-05 deg
tp 2458572.265427383207
(2019-Mar-29.76542738)
6.568e-05 TDB
period 1589.405996295743
4.35
1.0632e-05
2.911e-08
d
yr
n .2264997117407466 1.5152e-09 deg/d
Q 3.021218135285755 1.3474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1752  
   data-arc span      22779 days (62.37 yr)  
   first obs. used      1958-11-11  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:03:57  

Additional Information
 Earth MOID = 1.33607 au 
 Jupiter MOID = 2.50827 au 
 T_jup = 3.322 
[ 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 13.79   n/a MPCxxxxx  
diameter diameter 11.456 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15494 (1999 CX123)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CX123 = 1958 VO = 1984 US4 = 2000 GE107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-19 20:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin