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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356930919825535 5.0673e-08  
a 2.65856355891829 1.1717e-08 au
q 2.297814849376526 1.38e-07 au
i 3.026295422185653 4.9335e-06 deg
node 218.0765553447808 7.1243e-05 deg
peri 355.3409606973756 7.2541e-05 deg
M 334.0867857054128 1.3424e-05 deg
tp 2458714.469274580440
(2019-Aug-18.96927458)
5.9156e-05 TDB
period 1583.321095659231
4.33
1.0468e-05
2.866e-08
d
yr
n .2273701784097752 1.5032e-09 deg/d
Q 3.019312268460054 1.3307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48225  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:59:59  

Additional Information
 Earth MOID = 1.29171 au 
 Jupiter MOID = 1.94992 au 
 T_jup = 3.372 
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Orbital Elements at Epoch 2456683.5 (2014-Jan-26.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363918723494869 5.0682e-08  
q 2.297860762019201 1.3836e-07 au
tp 2457127.794350036502
(2015-Apr-15.29435004)
5.7847e-05 TDB
node 218.1887872044317 7.1239e-05 deg
peri 354.6270248662773 7.2518e-05 deg
i 3.02569518413215 4.9324e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48225  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:59:59  

Additional Information
 Jupiter MOID = 1.94992 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.568662994990723E-15 -6.99519988201779E-15 -3.718618419572315E-13 -1.563801041596821E-14 7.999984902966261E-15 -8.10910544176827E-16
q -6.99519988201779E-15 1.914415404527999E-14 9.946424160549124E-13 4.453102662433065E-14 -3.283427666831519E-14 2.06382311918185E-15
tp -3.718618419572315E-13 9.946424160549124E-13 3.34626879762106E-9 -7.820486595178305E-13 7.887480048798926E-10 1.143407655008895E-12
node -1.563801041596821E-14 4.453102662433065E-14 -7.820486595178305E-13 5.074973535071296E-9 -5.068272365106007E-9 -7.128793094388922E-11
peri 7.999984902966261E-15 -3.283427666831519E-14 7.887480048798926E-10 -5.068272365106007E-9 5.258913387946431E-9 7.144276933677372E-11
i -8.10910544176827E-16 2.06382311918185E-15 1.143407655008895E-12 -7.128793094388922E-11 7.144276933677372E-11 2.432879801101417E-11

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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