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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655071620744539 5.6289e-08  
a 2.387554353405289 8.8841e-09 au
q 1.992397008074672 1.3568e-07 au
i 6.896735461715345 6.2679e-06 deg
node 14.0426464613623 2.9319e-05 deg
peri 12.38209213242057 3.2608e-05 deg
M 318.8747591184289 1.1667e-05 deg
tp 2459154.433903213434
(2020-Oct-31.93390321)
4.3557e-05 TDB
period 1347.498615665718
3.69
7.521e-06
2.059e-08
d
yr
n .2671616844831753 1.4912e-09 deg/d
Q 2.782711698735906 1.0354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1996-02-18  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46939  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:29  

Additional Information
 Earth MOID = .996961 au 
 Jupiter MOID = 2.67631 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 16.1   n/a MPO337992  

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 ]
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