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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 
[ 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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Aug-02 00:42 00:02 Jupiter 1.94026559098694 1.9402651074965 1.94026607447816 2.36124809075285 2.16850016997809 2416694.529116020 2.07523506822052 122.033571724306 11.4030939474105 -87.6637993037844 2351515.25886111 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00
1952-Jun-07 22:03 00:01 Jupiter 1.93506959227144 1.93506920155205 1.93506998299071 2.38117063054368 2.18964142922272 2434171.418921389 1.16417077522408 70.807671272241 12.1864777892094 88.2207546279941 2312033.04700848 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00
2000-Apr-12 22:41 < 00:01 Jupiter 1.96823498455338 1.96823459802378 1.96823537108286 2.5115706488516 2.33394401251437 2451647.445452012 0.290082338049675 35.2235436899043 10.9187700171872 89.9405876316582 2442480.66476419 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00
2082-Jan-31 08:36 00:01 Jupiter 1.99753772138834 1.99753721100383 1.99753823177331 2.56667437908203 2.39577769509129 2481525.858487475 1.33025284481059 86.5360214647035 8.24611383744888 -82.0676969860545 2713391.7575195 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00
2129-Dec-08 19:26 00:02 Jupiter 1.94651887305174 1.94651840062022 1.94651934548426 2.40773940177669 2.21966536684337 2499003.309568662 2.2264106643981 135.275900244756 11.1688358498453 -85.6381267056573 2430036.65486003 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00
2177-Oct-14 20:28 00:03 Jupiter 1.93526720924412 1.93526679833284 1.93526762015596 2.38817451514842 2.1972762517006 2516480.352833829 3.12245198810276 180.64911824784 12.2576067994536 -89.5183347479807 2337932.75063874 T 24 CATAB v2.0e-lin.ifort 2019-May-30 02:00:06 2019-May-30 02:00

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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