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 ]  
277474 (2005 WE3)
Classification: Main-belt Asteroid          SPK-ID: 2277474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251744818187967 8.015e-08  
a 2.615788267173151 4.2357e-08 au
q 2.026779499564749 2.2759e-07 au
i 8.281391299090373 9.73e-06 deg
node 173.2063360137664 5.3312e-05 deg
peri 198.1340605002942 5.8174e-05 deg
M 182.0603458798654 3.4231e-05 deg
tp 2459764.287504987130
(2022-Jul-03.78750499)
0.00016276 TDB
period 1545.262651852336
4.23
3.7533e-05
1.028e-07
d
yr
n .2329701035409489 5.6587e-09 deg/d
Q 3.204797034781554 5.1895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      4814 days (13.18 yr)  
   first obs. used      2005-10-26  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:04:12  

Additional Information
 Earth MOID = 1.02809 au 
 Jupiter MOID = 2.25938 au 
 T_jup = 3.356 
[ 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 16.7   n/a MPO470934  

277474 (2005 WE3)          Discovered 2005-Nov-20 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 07:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin