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 ]  
101461 Dunedin (1998 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2101461
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .165457870971362 5.5977e-08  
a 2.387303764472866 8.6639e-09 au
q 1.992305566241268 1.349e-07 au
i 6.897043047946291 6.0284e-06 deg
node 14.04092976637994 2.6862e-05 deg
peri 12.43520930691929 3.0415e-05 deg
M 12.27252487798847 1.1173e-05 deg
tp 2459154.570536597544
(2020-Nov-01.07053660)
4.1863e-05 TDB
period 1347.286478476799
3.69
7.3342e-06
2.008e-08
d
yr
n .2672037504651609 1.4546e-09 deg/d
Q 2.782301962704465 1.0097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      9094 days (24.90 yr)  
   first obs. used      1996-02-18  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47711  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:53  

Additional Information
 Earth MOID = .995622 au 
 Jupiter MOID = 2.67781 au 
 T_jup = 3.506 
[ 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 16.19   n/a E2021B55  

101461 Dunedin            Discovered 1998 Nov. 25 by I. P. Griffin at Cocoa.
Dunedin is a city in New Zealand. Adopted home to the discoverer of this asteroid, the city, known as the "Edinburgh of the south" has been the jumping off point for many Antarctic journeys of discovery.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2019-12-12Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 1998 WU7 = 2003 AK74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 05:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin