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 ]  
305846 (2009 EW3)
Classification: Main-belt Asteroid          SPK-ID: 2305846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286225141013352 5.5279e-08  
a 2.744085074593697 2.3354e-08 au
q 2.391133953391506 1.5559e-07 au
i 4.419260866076502 5.0181e-06 deg
node 80.94610580261661 7.9627e-05 deg
peri 94.62200310594673 8.186e-05 deg
M 247.8689936316397 2.1275e-05 deg
tp 2459913.651755768133
(2022-Nov-30.15175577)
0.00010108 TDB
period 1660.331411500292
4.55
2.1196e-05
5.803e-08
d
yr
n .2168241819111886 2.768e-09 deg/d
Q 3.097036195795889 2.6358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-10-05  
   last obs. used      2020-09-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:43  

Additional Information
 Earth MOID = 1.40137 au 
 Jupiter MOID = 1.87428 au 
 T_jup = 3.332 
[ 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 MPO437357  

305846 (2009 EW3)          Discovered 2009-Mar-15 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EW3 = 2002 TP337 = 2005 JV144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-03 10:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin