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 ]  
172090 Davidmccomas (2002 CL257)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081069755645191 9.3663e-08  
a 3.216455738951951 2.7982e-08 au
q 2.868734436976716 3.0208e-07 au
i 1.796346890665796 7.1868e-06 deg
node 148.3305834981292 0.00019177 deg
peri 67.99524596092097 0.00019389 deg
M 348.2565398502492 2.6575e-05 deg
tp 2459069.231903835154
(2020-Aug-07.73190384)
0.00015535 TDB
period 2107.00126411895
5.77
2.7495e-05
7.528e-08
d
yr
n .1708589387821441 2.2296e-09 deg/d
Q 3.564177040927188 3.1007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6655 days (18.22 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:15:37  

Additional Information
 Earth MOID = 1.86236 au 
 Jupiter MOID = 1.40318 au 
 T_jup = 3.180 
[ 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 15.6   n/a MPO427050  

172090 Davidmccomas           Discovered 2002 Feb. 6 by M. W. Buie at Kitt Peak.
David J. McComas (b. 1958), a Professor of Astrophysical Sciences at Princeton University, served as a Co-Investigator on the Particles and Plasma Science Team for the New Horizons Mission to Pluto.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

[ show close-approach data ]
Alternate Designations
 2002 CL257 = 2006 WS111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 12:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin