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12229 Paulsson (1985 UK3)
Classification: Main-belt Asteroid          SPK-ID: 2012229
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1559175525093594 5.2852e-08  
a 2.251234360177846 1.4674e-08 AU
q 1.900227408613942 1.1889e-07 AU
i 4.60011057097986 5.627e-06 deg
node 39.87640403750464 6.9158e-05 deg
peri 265.6125863372865 7.2136e-05 deg
M 230.8573926756679 2.4067e-05 deg
tp 2457243.084845785961
(2015-Aug-08.58484579)
8.467e-05 JED
period 1233.756602751554
3.38
1.2063e-05
3.303e-08
d
yr
n .2917917514663096 2.853e-09 deg/d
Q 2.602241311741749 1.6962e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      10474 days (28.68 yr)  
   first obs. used      1985-09-21  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53345  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:49:15  

Additional Information
 Earth MOID = .891213 AU 
 T_jup = 3.607 
[ 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 13.6 mag n/a MPO279645  

12229 Paulsson           Discovered 1985 Oct. 17 by C.-I. Lagerkvist at Kvistaberg Observatory.
Rolf Paulsson (b. 1943), a lecturer at Uppsala University, has been an outstanding teacher of theoretical physics for generations of students.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

Alternate Designations
 1985 UK3 = 1991 JB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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