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 ]  
52243 (1981 ED3)
Classification: Main-belt Asteroid          SPK-ID: 2052243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864031314325065 3.7104e-08  
a 3.188961607494509 2.3693e-08 au
q 2.594529177839493 1.1728e-07 au
i 12.16723185316263 5.5387e-06 deg
node 210.8760543089998 2.2324e-05 deg
peri 251.0649478908642 2.8395e-05 deg
M 44.80809350375918 1.5405e-05 deg
tp 2458941.603411276782
(2020-Apr-02.10341128)
8.8633e-05 TDB
period 2080.04323889699
5.69
2.3181e-05
6.347e-08
d
yr
n .1730733252405376 1.9288e-09 deg/d
Q 3.783394037149526 2.8109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      14657 days (40.13 yr)  
   first obs. used      1981-02-02  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56015  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:33  

Additional Information
 Earth MOID = 1.64198 au 
 Jupiter MOID = 1.67379 au 
 T_jup = 3.135 
[ 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 15.19   n/a MPCxxxxx  
diameter diameter 5.129 km 0.531 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52243 (1981 ED3)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 ED3 = 1995 SG28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 16:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin