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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284207961978674 5.5473e-08  
a 2.74431142556755 2.631e-08 au
q 2.391884767281261 1.5728e-07 au
i 4.419304830906454 5.8484e-06 deg
node 80.94823942491193 7.9861e-05 deg
peri 94.74462713118923 8.2931e-05 deg
M 161.8455016337253 2.2085e-05 deg
tp 2458253.971057462909
(2018-May-15.47105746)
0.00010062 TDB
period 1660.536849034986
4.55
2.388e-05
6.538e-08
d
yr
n .216797356956705 3.1177e-09 deg/d
Q 3.09673808385384 2.9689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6082 days (16.65 yr)  
   first obs. used      2002-10-05  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:03  

Additional Information
 Earth MOID = 1.40128 au 
 Jupiter MOID = 1.87628 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 2020-Aug-14 15:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin