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 ]  
266220 (2006 WU198)
Classification: Main-belt Asteroid          SPK-ID: 2266220
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08613938825506702 3.605e-08  
a 2.406229539781348 1.8068e-08 au
q 2.198958399223311 8.9165e-08 au
i 5.355296828172123 4.2128e-06 deg
node 272.0392154023521 5.4406e-05 deg
peri 177.1501293384136 6.6718e-05 deg
M 261.7475754477372 4.1422e-05 deg
tp 2459572.587245435899
(2021-Dec-24.08724544)
0.00015961 TDB
period 1363.339469405883
3.73
1.5356e-05
4.204e-08
d
yr
n .2640574912401539 2.9742e-09 deg/d
Q 2.613500680339385 1.9625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      9056 days (24.79 yr)  
   first obs. used      1995-12-31  
   last obs. used      2020-10-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:15:03  

Additional Information
 Earth MOID = 1.21518 au 
 Jupiter MOID = 2.53504 au 
 T_jup = 3.512 
[ 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 17.25   n/a E2021B55  

266220 (2006 WU198)          Discovered 2006-Nov-20 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 2021-May-07 17:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin