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 ]  
441863 (2009 WE262)
Classification: Main-belt Asteroid          SPK-ID: 2441863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1950548426333574 8.6889e-08  
a 2.307698564355537 3.6777e-08 au
q 1.857570784039943 2.1032e-07 au
i 6.400692480199679 9.627e-06 deg
node 272.5389449666543 8.5397e-05 deg
peri 191.6702448137814 9.0201e-05 deg
M 227.4079414046421 3.5635e-05 deg
tp 2459072.108972785927
(2020-Aug-10.60897279)
0.00013506 TDB
period 1280.463038296002
3.51
3.0609e-05
8.38e-08
d
yr
n .2811482949785696 6.7208e-09 deg/d
Q 2.757826344671131 4.395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      3604 days (9.87 yr)  
   first obs. used      2009-11-18  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5863  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:20  

Additional Information
 Earth MOID = .875101 au 
 Jupiter MOID = 2.39707 au 
 T_jup = 3.553 
[ 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 17.4   n/a MPO460658  

441863 (2009 WE262)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin