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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364978869980311 4.2121e-08  
a 2.660531285584131 1.0881e-08 au
q 2.297374386809742 1.1379e-07 au
i 3.024679514715624 4.4996e-06 deg
node 218.039249361634 6.9843e-05 deg
peri 355.4230135129465 7.1129e-05 deg
M 64.91057907939759 1.3256e-05 deg
tp 2458714.698854575484
(2019-Aug-19.19885458)
5.8137e-05 TDB
period 1585.07925537029
4.34
9.724e-06
2.662e-08
d
yr
n .2271179808708684 1.3933e-09 deg/d
Q 3.02368818435852 1.2366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1727  
   data-arc span      21816 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:24:13  

Additional Information
 Earth MOID = 1.29107 au 
 Jupiter MOID = 1.94475 au 
 T_jup = 3.371 
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Orbital Elements at Epoch 2456867.5 (2014-Jul-29.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358548518082009 4.2202e-08  
q 2.298703895436121 1.1369e-07 au
tp 2457128.245947160428
(2015-Apr-15.74594716)
5.7769e-05 TDB
node 218.1163445320248 6.9819e-05 deg
peri 354.7709817994306 7.1111e-05 deg
i 3.024882905064764 4.5006e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1727  
   data-arc span      21816 days (59.73 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:24:13  

Additional Information
 Jupiter MOID = 1.94475 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.781038455647533E-15 -4.78234865336091E-15 -3.509041651571872E-13 -1.243636970342457E-14 -3.403328697310458E-14 -1.98691805871829E-16
q -4.78234865336091E-15 1.292646584829417E-14 9.202919312729951E-13 3.371216729718144E-14 8.254106420213505E-14 4.700329689751605E-16
tp -3.509041651571872E-13 9.202919312729951E-13 3.337242718082999E-9 1.342479955079653E-12 7.88902235263434E-10 5.653665252886069E-13
node -1.243636970342457E-14 3.371216729718144E-14 1.342479955079653E-12 4.874645910712948E-9 -4.867505209193197E-9 -5.318158141635671E-11
peri -3.403328697310458E-14 8.254106420213505E-14 7.88902235263434E-10 -4.867505209193197E-9 5.056744787431722E-9 5.325839208908863E-11
i -1.98691805871829E-16 4.700329689751605E-16 5.653665252886069E-13 -5.318158141635671E-11 5.325839208908863E-11 2.025521303779567E-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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