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10980 Breimer (4294 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2010980
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203539349126552 5.2985e-08  
a 2.255767751229276 1.0092e-08 au
q 1.984277226119761 1.1903e-07 au
i 2.852140558182894 5.1715e-06 deg
node 106.3419510433452 0.00011778 deg
peri 325.8957621878408 0.00012035 deg
M 177.5019719819948 2.3731e-05 deg
tp 2456990.344284452004
(2014-Nov-28.84428445)
8.145e-05 JED
period 1237.485167880612
3.39
8.3042e-06
2.274e-08
d
yr
n .2909125776566329 1.9522e-09 deg/d
Q 2.527258276338791 1.1306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      23813 days (65.20 yr)  
   first obs. used      1951-02-04  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52185  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:10:25  

Additional Information
 Earth MOID = .99811 au 
 Jupiter MOID = 2.70445 au 
 T_jup = 3.612 
[ 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 14.6 mag n/a MPO332922  

10980 Breimer           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Douwe Breimer (b. 1943), is Rector Magnificus and President of Leiden University, a world-renowned pharmaceutical scientist and long-time supporter of astronomy in Leiden. The name was suggested by T. de Zeeuw.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

Alternate Designations
 4294 T-2 = 1995 BU1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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