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12111 Ulm (1998 LU)
Classification: Main-belt Asteroid          SPK-ID: 2012111
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06585173586835674 6.1656e-08  
a 2.561229201420805 1.9076e-08 AU
q 2.39256781255052 1.6292e-07 AU
i 3.885572024941019 5.8593e-06 deg
node 250.0871100230621 8.7543e-05 deg
peri 342.5810216528361 9.8011e-05 deg
M 26.31647665903941 4.514e-05 deg
tp 2456891.054896282122
(2014-Aug-21.55489628)
0.00018745 JED
period 1497.169923197246
4.10
1.6726e-05
4.579e-08
d
yr
n .2404536682324011 2.6863e-09 deg/d
Q 2.729890590291091 2.0332e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      8823 days (24.16 yr)  
   first obs. used      1990-04-29  
   last obs. used      2014-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49829  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:19:53  

Additional Information
 Earth MOID = 1.38317 AU 
 T_jup = 3.429 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO279644  

12111 Ulm           Discovered 1998 June 1 by E. W. Elst at the European Southern Observatory.
Ulm is a city in Germany on the banks of the Donau river. Until World War II it was one of the most beautiful cities remaining from the Middle Ages, with a five-ships cathedral and its 161-m tower. In 1879 the famous physicist Albert Einstein was born there.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030910/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 LU = 1990 HB7 = 1996 XJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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