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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06606806155154092 5.1411e-08  
a 2.561513350689695 1.6105e-08 au
q 2.392279128971234 1.3119e-07 au
i 3.88522158252713 4.8452e-06 deg
node 250.0734087985845 8.2941e-05 deg
peri 342.6425158101797 9.3752e-05 deg
M 122.4187562199546 4.4275e-05 deg
tp 2456891.299496400385
(2014-Aug-21.79949640)
0.00018338 JED
period 1497.419079854864
4.10
1.4122e-05
3.866e-08
d
yr
n .2404136589704016 2.2673e-09 deg/d
Q 2.730747572408156 1.7169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      9347 days (25.59 yr)  
   first obs. used      1990-04-29  
   last obs. used      2015-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50238  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:19:41  

Additional Information
 Earth MOID = 1.38042 au 
 Jupiter MOID = 2.25884 au 
 T_jup = 3.428 
[ 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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