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12132 Wimfroger (2103 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012132
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364978945877483 3.0556e-08  
a 2.660531284236217 9.7486e-09 au
q 2.297374365453135 7.9603e-08 au
i 3.024682962128831 3.2396e-06 deg
node 218.0392436208138 6.9065e-05 deg
peri 355.4230201488617 7.0334e-05 deg
M 64.91057896132601 1.3182e-05 deg
tp 2458714.698855312547
(2019-Aug-19.19885531)		 5.7884e-05 TDB
period 1585.07925416571
4.34		 8.712e-06
2.385e-08		 d
yr
n .2271179810434667 1.2483e-09 deg/d
Q 3.023688203019299 1.1079e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1981  
   data-arc span      21950 days (60.10 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:54:59  

Additional Information
 Earth MOID = 1.29107 au 
 Jupiter MOID = 1.94475 au 
 T_jup = 3.371 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO384864  
diameter diameter 8.145 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12132 Wimfröger           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Leiden on Palomar Schmidt plates taken by T. Gehrels.
Willem Albertus Fröger (b. 1962) is a Dutch amateur astronomer who lives in Argentina. He suggested names and prepared citations for more than 60 minor planets, one lunar crater and two craters on Mars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30

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Alternate Designations
 2103 P-L = 1976 JN1 = 1980 EF2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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