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 ]  
118339 (1999 CK18)
Classification: Main-belt Asteroid          SPK-ID: 2118339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09665636136447069 4.6612e-08  
a 2.435935390219693 1.1281e-08 au
q 2.200486738882115 1.161e-07 au
i 6.81584424251887 4.8596e-06 deg
node 56.63372272525424 3.5968e-05 deg
peri 122.9749311602837 4.3504e-05 deg
M 224.9746372981868 2.5906e-05 deg
tp 2459721.346711214731
(2022-May-21.84671121)
0.00010192 TDB
period 1388.663672404898
3.80
9.6464e-06
2.641e-08
d
yr
n .2592420376177547 1.8008e-09 deg/d
Q 2.67138404155727 1.2371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1025  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57025  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:49  

Additional Information
 Earth MOID = 1.2106 au 
 Jupiter MOID = 2.29872 au 
 T_jup = 3.488 
[ 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 15.20   n/a E2021B55  

118339 (1999 CK18)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 CK18 = 2001 SN177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 21:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin