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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364978933665951 3.3329e-08  
a 2.660531284522094 1.0003e-08 au
q 2.297374368948907 8.7928e-08 au
i 3.024681434727834 3.6902e-06 deg
node 218.0392418280526 6.9127e-05 deg
peri 355.4230214138112 7.0402e-05 deg
M 64.91057931244532 1.3194e-05 deg
tp 2458714.698853720505
(2019-Aug-19.19885372)
5.7922e-05 TDB
period 1585.079254421187
4.34
8.9397e-06
2.448e-08
d
yr
n .2271179810068606 1.2809e-09 deg/d
Q 3.023688200095281 1.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      21866 days (59.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:31:08  

Additional Information
 Earth MOID = 1.29107 au 
 Jupiter MOID = 1.94475 au 
 T_jup = 3.371 
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Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1354986391796529 3.3425e-08  
q 2.298509495426561 8.7959e-08 au
tp 2457128.725111892365
(2015-Apr-16.22511189)
5.7949e-05 TDB
node 218.093216633829 6.9085e-05 deg
peri 354.9295617585948 7.0372e-05 deg
i 3.025638978577247 3.6919e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      21866 days (59.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:31:08  

Additional Information
 Jupiter MOID = 1.94475 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.117262366375287E-15 -2.926304132865472E-15 -3.375496458954967E-13 -9.218070139774093E-15 -7.233544919183756E-14 1.658502561467258E-16
q -2.926304132865472E-15 7.736762665989694E-15 8.751316832798591E-13 2.497793232264871E-14 1.877295836517739E-13 -4.257133775962405E-16
tp -3.375496458954967E-13 8.751316832798591E-13 3.358076055531866E-9 5.607211580982795E-12 7.91115857031119E-10 -6.631302255284249E-13
node -9.218070139774093E-15 2.497793232264871E-14 5.607211580982795E-12 4.772708828749468E-9 -4.764453834742964E-9 -2.818597930383457E-11
peri -7.233544919183756E-14 1.877295836517739E-13 7.91115857031119E-10 -4.764453834742964E-9 4.952275174914991E-9 2.801114346371789E-11
i 1.658502561467258E-16 -4.257133775962405E-16 -6.631302255284249E-13 -2.818597930383457E-11 2.801114346371789E-11 1.363027042773026E-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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