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 ]  
357466 (2004 EK91)
Classification: Main-belt Asteroid          SPK-ID: 2357466
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04846779260661632 5.858e-08  
a 2.707796386879683 2.6804e-08 au
q 2.576555473179453 1.6459e-07 au
i 6.332788283334397 6.8272e-06 deg
node .8047709749807295 4.4176e-05 deg
peri 331.6663374363421 7.5068e-05 deg
M 70.16840240387008 5.8798e-05 deg
tp 2458683.279298397159
(2019-Jul-18.77929840)
0.00026686 TDB
period 1627.505382261978
4.46
2.4166e-05
6.616e-08
d
yr
n .2211974251659041 3.2844e-09 deg/d
Q 2.839037300579913 2.8103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      5793 days (15.86 yr)  
   first obs. used      2004-03-15  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:30:38  

Additional Information
 Earth MOID = 1.56863 au 
 Jupiter MOID = 2.34741 au 
 T_jup = 3.354 
[ 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 16.5   n/a MPO418816  

357466 (2004 EK91)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
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-03 16:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin