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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017875002901793 3.0055e-08  
a 3.040390888577042 1.5216e-08 au
q 2.730917100123748 8.9662e-08 au
i 11.71689845905163 4.0142e-06 deg
node 151.9333681477267 1.6955e-05 deg
peri 113.6969625381737 2.6409e-05 deg
M 114.1401403152257 2.0862e-05 deg
tp 2458386.556420779039
(2018-Sep-25.05642078)
0.00011158 TDB
period 1936.388792839632
5.30
1.4536e-05
3.98e-08
d
yr
n .1859130776480457 1.3956e-09 deg/d
Q 3.349864677030336 1.6765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2243  
   data-arc span      15742 days (43.10 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:50:00  

Additional Information
 Earth MOID = 1.74117 au 
 Jupiter MOID = 1.86761 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

[ 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 1.87228674520561 1.87228628553455 1.87228720487722 2.4378649076979 2.24463478464393 2430060.303860158 1.95407930937275 96.3616234037394 11.1874846373429 67.5888480864628 2535530.79792065 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
1989-May-13 07:28 < 00:01 Jupiter 1.9056240778285 1.90562362073795 1.90562453491905 2.19660736443192 1.9839638748201 2447659.811271006 0.712325200477308 51.6776480674235 17.6231430513138 80.7851773828025 3287906.12346409 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
1998-Sep-12 02:10 < 00:01 Jupiter 1.99925223405991 1.9992518727935 1.99925259532632 4.69098525317096 4.59978296487086 2451068.590078226 0.396843772930257 41.6187037538439 16.3562817239962 -86.2919928849597 4232980.92957511 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2037-Jul-12 07:00 < 00:01 Jupiter 1.95580145841412 1.95580106259148 1.95580185423677 2.84658757805725 2.69014808672302 2465251.791568270 0.584742883385491 52.7375191516867 16.5185622365712 84.0510103436099 3527667.80437685 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2046-Oct-09 08:30 < 00:01 Jupiter 1.91958297606526 1.91958256435535 1.91958338777529 3.95096604109409 3.83765890313314 2468627.854487319 0.735370589695917 63.1186464642463 16.7307008169818 -85.9059456425072 3244014.01714015 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2094-Nov-21 20:21 00:02 Jupiter 1.88932948792364 1.88932906508147 1.88932991076581 3.02198280227791 2.86979822215808 2486203.348251477 1.99202840710164 120.523626750056 14.5145853035047 83.5450224449396 2434631.53300192 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2143-Jan-23 04:08 00:03 Jupiter 1.89343125721033 1.89343082692396 1.89343168749681 2.25636407477821 2.04853191768469 2503796.672290646 3.39508715433591 172.777191356911 8.70450523210666 75.9986146860702 3316132.30883869 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2191-Mar-31 03:29 00:05 Jupiter 1.91054785267218 1.91054735481492 1.91054835052976 2.39775908787001 2.20512321693175 2521395.645425046 4.56868131673463 99.5058075088583 30.5876745933255 -70.5686690655352 1742860.73226789 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50
2200-Jul-17 14:38 00:04 Jupiter 1.99267825283647 1.99267699338601 1.99267951230585 4.54352296543918 4.44898484890777 2524791.109460037 4.13597084815547 329.509712525251 17.045878837363 -81.1650002795379 3921796.44845824 T 37 CATAB v2.0f-lin.ifort 2020-Dec-18 02:50:05 2020-Dec-18 02:50

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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