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 ]  
21347 (1997 EO11)
Classification: Main-belt Asteroid          SPK-ID: 2021347
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628429359980568 3.9812e-08  
a 2.693709627156885 1.3143e-08 au
q 2.255058042744427 1.0928e-07 au
i 14.20745328941416 3.6761e-06 deg
node 111.7946415654897 1.8466e-05 deg
peri 314.1435430127216 2.204e-05 deg
M 262.3343082659223 1.4262e-05 deg
tp 2459834.590791043630
(2022-Sep-12.09079104)
6.5825e-05 TDB
period 1614.821765714044
4.42
1.1818e-05
3.236e-08
d
yr
n .2229348202034016 1.6316e-09 deg/d
Q 3.132361211569343 1.5283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      8876 days (24.30 yr)  
   first obs. used      1997-03-03  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:32:42  

Additional Information
 Earth MOID = 1.2929 au 
 Jupiter MOID = 2.18181 au 
 T_jup = 3.308 
[ 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 13.91   n/a E2021B10  
diameter diameter 3.823 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.400   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21347 (1997 EO11)          Discovered 1997-Mar-03 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 EO11 = 2000 WS48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 04:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin