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 ]  
183489 (2003 EJ18)
Classification: Main-belt Asteroid          SPK-ID: 2183489
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01909184348165562 5.1765e-08  
a 2.746052482499737 1.7811e-08 au
q 2.69362527831144 1.4198e-07 au
i 5.209715753465055 5.6166e-06 deg
node 356.0388695771435 4.4467e-05 deg
peri 179.9776887783223 0.00013102 deg
M 266.943192110002 0.00012596 deg
tp 2459430.142590873572
(2021-Aug-03.64259087)
0.00058266 TDB
period 1662.117326196297
4.55
1.6171e-05
4.427e-08
d
yr
n .2165912082896389 2.1072e-09 deg/d
Q 2.798479686688033 1.8151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1994-03-04  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53027  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 19:37:31  

Additional Information
 Earth MOID = 1.69632 au 
 Jupiter MOID = 2.16333 au 
 T_jup = 3.342 
[ 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 15.8   n/a MPO454263  

183489 (2003 EJ18)          Discovered 2003-Mar-06 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 EJ18 = 2005 SW268 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 05:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin