Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ 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

[ hide close-approach data ]
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 1.94026561046677 1.94026521199152 1.94026600894245 2.36124786034951 2.1684999211164 2416694.528868810 1.90454838447345 113.379544696596 10.4670764071462 -87.6061487825367 2666799.85102397 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24
1952-Jun-07 22:03 00:01 Jupiter 1.93506957421742 1.93506922788043 1.93506992055431 2.38117029894279 2.18964106675139 2434171.418784543 1.07495196426591 67.0191428897333 11.1349731460352 88.2450255541585 2637864.8184783 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24
2000-Apr-12 22:41 < 00:01 Jupiter 1.96823497988667 1.96823464516031 1.96823531461297 2.51157040270385 2.33394374719617 2451647.445408434 0.279496135013689 34.5361080614601 10.0187827251102 89.1182460251679 2835967.18037238 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24
2082-Jan-31 08:36 00:01 Jupiter 1.9975376260764 1.99753712145374 1.99753813069952 2.56667379112621 2.39577705675001 2481525.858625348 1.18694874276707 77.0849879049991 7.69194095713533 -81.5979110833919 2934140.87502927 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24
2129-Dec-08 19:26 00:02 Jupiter 1.94651879747865 1.94651833096575 1.94651926399265 2.40773893119399 2.21966484877654 2499003.309794065 2.00426245542119 121.194695593041 10.2299544724679 -85.4966762963572 2714283.21963842 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24
2177-Oct-14 20:29 00:03 Jupiter 1.9352672087797 1.93526686408747 1.93526755347193 2.38817428167618 2.1972759978966 2516480.353166194 2.82026552738901 162.563327786758 11.1724644887825 -89.4157298681909 2640716.64607947 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 17:24:28 2020-Jun-23 17:24

Alternate Designations
 2103 P-L = 1976 JN1 = 1980 EF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 19:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin