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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
266503 (2008 ED18)
Classification: Main-belt Asteroid          SPK-ID: 2266503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06511125237536747 3.6871e-08  
a 2.276266797578619 1.5187e-08 au
q 2.128056215647808 8.2141e-08 au
i 6.931376940752031 4.915e-06 deg
node 322.7098844982636 3.1907e-05 deg
peri 253.8161730356963 4.9569e-05 deg
M 62.43786101096713 3.7646e-05 deg
tp 2458382.940181297364
(2018-Sep-21.44018130)
0.00013084 TDB
period 1254.391701842445
3.43
1.2554e-05
3.437e-08
d
yr
n .2869916944374182 2.8722e-09 deg/d
Q 2.42447737950943 1.6176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6192 days (16.95 yr)  
   first obs. used      2002-09-14  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:36  

Additional Information
 Earth MOID = 1.13409 au 
 Jupiter MOID = 2.57565 au 
 T_jup = 3.596 
[ 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 16.8   n/a MPO437227  

266503 (2008 ED18)          Discovered 2008-Mar-01 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 01:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin