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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
201054 (2002 ED55)
Classification: Main-belt Asteroid          SPK-ID: 2201054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130735771302842 6.4213e-08  
a 2.535180876072374 2.7506e-08 au
q 2.248518905742583 1.6656e-07 au
i 15.13405581245036 8.2217e-06 deg
node 172.3100668651242 2.3683e-05 deg
peri 87.95561418579598 6.8135e-05 deg
M 357.9364447874893 7.5881e-05 deg
tp 2458608.951337485746
(2019-May-05.45133749)
0.00031084 TDB
period 1474.38821913901
4.04
2.3995e-05
6.569e-08
d
yr
n .2441690698059342 3.9737e-09 deg/d
Q 2.821842846402165 3.0616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      6877 days (18.83 yr)  
   first obs. used      1999-07-12  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65463  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:10:30  

Additional Information
 Earth MOID = 1.2954 au 
 Jupiter MOID = 2.32256 au 
 T_jup = 3.391 
[ 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 15.7   n/a MPO245370  
diameter diameter 2.309 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201054 (2002 ED55)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 ED55 = 1999 NP52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 14:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin