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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 
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Orbital Elements at Epoch 2456941.5 (2014-Oct-11.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102987270568562 3.0234e-08  
q 2.727445664530913 9.1318e-08 au
tp 2456456.369025888399
(2013-Jun-12.86902589)		 0.00012548 TDB
node 152.0407523058801 1.7007e-05 deg
peri 114.8150357555405 2.881e-05 deg
i 11.72483415296067 4.718e-06 deg
   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
 Jupiter MOID = 1.86751 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.141064021194214E-16 -2.726330953752396E-15 3.86009327141723E-13 1.183789168864682E-15 6.379765879678818E-14 -1.083051527126772E-15
q -2.726330953752396E-15 8.338924577167171E-15 -1.523037191300431E-12 -3.656436928501824E-15 -2.486435427609505E-13 3.79649557541047E-15
tp 3.86009327141723E-13 -1.523037191300431E-12 1.574645301409539E-8 1.330501716732989E-11 2.929013443331285E-9 1.532978596245087E-12
node 1.183789168864682E-15 -3.656436928501824E-15 1.330501716732989E-11 2.892244422807026E-10 -2.803694002251313E-10 1.252712524462483E-11
peri 6.379765879678818E-14 -2.486435427609505E-13 2.929013443331285E-9 -2.803694002251313E-10 8.299934725978287E-10 -1.195864832212196E-11
i -1.083051527126772E-15 3.79649557541047E-15 1.532978596245087E-12 1.252712524462483E-11 -1.195864832212196E-11 2.225966968258284E-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

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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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