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JPL Small-Body Database Browser
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12655 Benferinga (5041 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2012655
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020501339191345 3.0392e-08  
a 3.040324417058455 1.6155e-08 au
q 2.730058903140026 9.1563e-08 au
i 11.71704083385484 4.7141e-06 deg
node 151.9362962235199 1.7029e-05 deg
peri 113.6352361001369 2.8906e-05 deg
M 39.80226202712265 2.308e-05 deg
tp 2458386.416315015386
(2018-Sep-24.91631502)
0.00012418 TDB
period 1936.325290807411
5.30
1.5433e-05
4.225e-08
d
yr
n .1859191746908841 1.4818e-09 deg/d
Q 3.350589930976885 1.7803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1983  
   data-arc span      15388 days (42.13 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:47:32  

Additional Information
 Earth MOID = 1.73988 au 
 Jupiter MOID = 1.86751 au 
 T_jup = 3.201 
[ 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 12.8   n/a MPO395124  
diameter diameter 9.965 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12655 Benferinga           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Ben Feringa (b. 1951) is a renowned Dutch chemist, who won the 2016 Nobel Prize in Chemistry for the development of molecular machines. He is a passionate lecturer and public advocate for science.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

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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
1941-Mar-06 19:17 00:02 Jupiter 1.87228666782108 1.87228614902506 1.87228718661786 2.43786455623524 2.24463439459522 2430060.303758208 2.04138983456964 101.469877080899 11.4033767763466 67.3518097471468 2345961.33146853 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
1989-May-13 07:28 < 00:01 Jupiter 1.90562405529701 1.90562354991085 1.90562456068321 2.19660611462551 1.98396248840897 2447659.811289759 0.726236214408483 58.1015361190427 18.2840915274889 78.2592681607494 3275444.02681453 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
1998-Sep-12 02:10 < 00:01 Jupiter 1.99925219171499 1.99925178714475 1.99925259628522 4.69098606002612 4.5997837857731 2451068.590049929 0.405855563693795 42.633437625549 18.4894889703812 -88.3413760745387 3687999.45588637 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2037-Jul-12 07:00 < 00:01 Jupiter 1.95580147426834 1.95580103366129 1.95580191487539 2.84658733099516 2.69014782659859 2465251.791691134 0.652831356559176 62.1965358842827 16.8262598099365 84.0462383874685 3010583.16930099 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2046-Oct-09 08:31 < 00:01 Jupiter 1.91958286346646 1.91958237186045 1.91958335507258 3.95096644409077 3.83765931128383 2468627.854514007 0.803893297412514 71.116229926125 18.7691830744461 -83.6790387736584 2758524.11226481 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2094-Nov-21 20:22 00:02 Jupiter 1.88932939079196 1.88932890280075 1.88932987878328 3.02198238580869 2.86979777557225 2486203.348349886 2.1421368232521 132.003239244569 15.6224399573565 84.1101352893771 2136387.77295007 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2143-Jan-23 04:08 00:04 Jupiter 1.89343121867922 1.89343073487397 1.89343170248458 2.25636263511966 2.04853032752272 2503796.672512298 3.63439750802583 186.679412911731 10.2466937399149 75.962363247192 3080861.56758991 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2191-Mar-31 03:30 00:05 Jupiter 1.91054786288451 1.91054731126249 1.91054841450707 2.39775874891495 2.20512284944081 2521395.645761955 4.87775178648899 107.223526882896 34.9861905241652 -72.1065055507875 1594488.74973453 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47
2200-Jul-17 14:38 00:04 Jupiter 1.99267809214089 1.99267667978786 1.99267950451522 4.54352293273906 4.44898480780795 2524791.109676361 4.40152785984203 351.777298742555 19.0536914671914 -80.679534418495 3357436.21752973 T 30 CATAB v2.0f-lin.ifort 2019-Dec-03 22:47:46 2019-Dec-03 22:47

Alternate Designations
 5041 T-3 = 1987 QA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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