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 ]  
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 ]

[ 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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017874991662141 3.0297e-08  
a 3.040390889417829 1.5987e-08 au
q 2.730917104296247 9.108e-08 au
i 11.71690127224031 4.7004e-06 deg
node 151.9333689871124 1.6967e-05 deg
peri 113.6969601292512 2.8877e-05 deg
M 114.1401416200872 2.31e-05 deg
tp 2458386.556413505705
(2018-Sep-25.05641351)
0.00012432 TDB
period 1936.388793642863
5.30
1.5273e-05
4.182e-08
d
yr
n .1859130775709273 1.4663e-09 deg/d
Q 3.349864674539412 1.7614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      15634 days (42.80 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:35:43  

Additional Information
 Earth MOID = 1.74117 au 
 Jupiter MOID = 1.86761 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456973.5 (2014-Nov-12.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029967396403095 3.0118e-08  
q 2.727328670016343 9.0858e-08 au
tp 2456456.299810940638
(2013-Jun-12.79981094)
0.00012531 TDB
node 152.0410419183224 1.6945e-05 deg
peri 114.7969516342509 2.8741e-05 deg
i 11.72490618513589 4.7044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      15634 days (42.80 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:35:43  

Additional Information
 Jupiter MOID = 1.86761 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.070987383014244E-16 -2.70211204501551E-15 3.785485468561664E-13 1.204699943555E-15 6.1963951836455E-14 -1.08036907791236E-15
q -2.70211204501551E-15 8.255209218840157E-15 -1.496330197595296E-12 -3.731329114616483E-15 -2.421347766811699E-13 3.790861546115645E-15
tp 3.785485468561664E-13 -1.496330197595296E-12 1.570315215340428E-8 1.403814855939973E-11 2.919802358578581E-9 1.399715843106648E-12
node 1.204699943555E-15 -3.731329114616483E-15 1.403814855939973E-11 2.871408847032719E-10 -2.781908574103365E-10 1.293857394085401E-11
peri 6.1963951836455E-14 -2.421347766811699E-13 2.919802358578581E-9 -2.781908574103365E-10 8.260369788901504E-10 -1.2386153341703E-11
i -1.08036907791236E-15 3.790861546115645E-15 1.399715843106648E-12 1.293857394085401E-11 -1.2386153341703E-11 2.213182879425586E-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 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

[ 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
1941-Mar-06 19:18 00:02 Jupiter 1.87228681707178 1.87228629951367 1.87228733463063 2.43786502279584 2.24463491738634 2430060.303839488 2.03734668659482 101.236494428383 11.3694747326984 67.3634026448545 2350011.29059574 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
1989-May-13 07:28 < 00:01 Jupiter 1.90562415862883 1.90562365409325 1.90562466316451 2.19660739383694 1.98396391687627 2447659.811270650 0.725292595916179 57.7871632089305 18.2633457228495 78.1912975835031 3281458.73414726 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
1998-Sep-12 02:10 < 00:01 Jupiter 1.99925223171478 1.99925182786981 1.99925263555974 4.69098571039083 4.59978343104822 2451068.590069470 0.405659523280879 42.5141295909887 18.4537324809989 -88.2587079420806 3695366.683576 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2037-Jul-12 07:00 < 00:01 Jupiter 1.9558015244265 1.95580108508438 1.95580196376862 2.84658780901808 2.69014833654854 2465251.791577492 0.650401163668677 61.9423866254512 16.7729730243443 83.9438792542828 3033801.10133513 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2046-Oct-09 08:30 < 00:01 Jupiter 1.91958299313703 1.91958250310367 1.91958348317049 3.95096638472003 3.83765925792722 2468627.854491184 0.800443033526468 70.7694860322063 18.7046445033422 -83.6544974872165 2764821.2097941 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2094-Nov-21 20:22 00:02 Jupiter 1.88932954065701 1.88932905405804 1.88933002725609 3.02198291073113 2.86979834072282 2486203.348271213 2.13531370384588 131.564378850271 15.5579298540333 84.1244881663436 2139200.64099462 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2143-Jan-23 04:08 00:04 Jupiter 1.89343133756916 1.89343085519061 1.89343181994782 2.25636402720131 2.04853187454893 2503796.672327483 3.62417145124225 186.150558237018 10.2065195530315 75.9627102051619 3088241.82201842 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2191-Mar-31 03:30 00:05 Jupiter 1.91054793482152 1.91054738541149 1.91054848423209 2.39775937539537 2.20512353821955 2521395.645489062 4.86539751465557 106.952413576708 34.9053175659054 -72.0858803048635 1604807.08693556 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35
2200-Jul-17 14:38 00:04 Jupiter 1.99267823459507 1.992676826861 1.99267964235044 4.54352317111695 4.44898505808144 2524791.109502122 4.39023617458506 350.840716445263 19.0009992240045 -80.6862082922491 3367226.12793394 T 34 CATAB v2.0f-lin.ifort 2020-Aug-25 00:35:54 2020-Aug-25 00:35

Alternate Designations
 5041 T-3 = 1987 QA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 23:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin