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11681 Ortner (1998 EP6)
Classification: Main-belt Asteroid          SPK-ID: 2011681
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026515699310507 6.6818e-08  
a 2.188701851058173 1.0399e-08 AU
q 1.964028169936055 1.4796e-07 AU
i 2.017712535186379 5.9095e-06 deg
node 324.7854576899057 0.00014278 deg
peri 215.6153850756485 0.00014511 deg
M 52.88014534613627 2.5198e-05 deg
tp 2456826.772538380032
(2014-Jun-18.27253838)
8.2732e-05 JED
period 1182.710179289593
3.24
8.4291e-06
2.308e-08
d
yr
n .3043856443479989 2.1693e-09 deg/d
Q 2.413375532180292 1.1467e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      25999 days (71.18 yr)  
   first obs. used      1943-04-03  
   last obs. used      2014-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51494  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:47:56  

Additional Information
 Earth MOID = .968559 AU 
 T_jup = 3.667 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO250328  

11681 Ortner           Discovered 1998 Mar. 1 by the OCA-DLR Asteroid Survey at Caussols.
Johannes Ortner (b. 1933) is founder and unique director of the Summer School Alpbach. Held annually since 1975, Alpbach provides in-depth teaching on all aspects of space science and technology for European students, culminating in the design of innovative space-mission proposals.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

Alternate Designations
 1998 EP6 = 1943 GD = 1980 UP1 = 1985 DW3 = 1986 RY8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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