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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369597234363041 3.0353e-08  
a 2.658974344863531 9.7639e-09 au
q 2.294801953966794 7.9067e-08 au
i 3.025141903933207 3.2088e-06 deg
node 217.9727088666741 6.885e-05 deg
peri 355.2326149348968 7.0108e-05 deg
M 110.5668392418919 1.315e-05 deg
tp 2458714.101707871087
(2019-Aug-18.60170787)
5.7529e-05 TDB
period 1583.688078333571
4.34
8.723e-06
2.388e-08
d
yr
n .2273174906884495 1.2521e-09 deg/d
Q 3.023146735760268 1.1101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2022  
   data-arc span      22018 days (60.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:09:46  

Additional Information
 Earth MOID = 1.28757 au 
 Jupiter MOID = 1.94395 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 13.97   n/a MPCxxxxx  
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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