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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017874989519433 3.0303e-08  
a 3.040390889577364 1.5995e-08 au
q 2.73091710509101 9.1108e-08 au
i 11.71690129947843 4.7063e-06 deg
node 151.9333692324086 1.6968e-05 deg
peri 113.6969596872494 2.8903e-05 deg
M 114.1401417682707 2.3122e-05 deg
tp 2458386.556412660325
(2018-Sep-25.05641266)
0.00012445 TDB
period 1936.388793795272
5.30
1.5281e-05
4.184e-08
d
yr
n .1859130775562945 1.4671e-09 deg/d
Q 3.349864674063717 1.7623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2037  
   data-arc span      15447 days (42.29 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:24:45  

Additional Information
 Earth MOID = 1.74117 au 
 Jupiter MOID = 1.86761 au 
 T_jup = 3.201 
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Orbital Elements at Epoch 2456968.5 (2014-Nov-07.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029950681496549 3.0125e-08  
q 2.727346653108028 9.0891e-08 au
tp 2456456.309658303588
(2013-Jun-12.80965830)
0.00012546 TDB
node 152.0410028150775 1.6946e-05 deg
peri 114.7995690453821 2.8766e-05 deg
i 11.72489732849614 4.7103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2037  
   data-arc span      15447 days (42.29 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:24:45  

Additional Information
 Jupiter MOID = 1.86761 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.075032462241238E-16 -2.70367367501393E-15 3.825201826172061E-13 1.209829951243097E-15 6.273928252641884E-14 -1.080400393972837E-15
q -2.70367367501393E-15 8.261223590278848E-15 -1.511482720239618E-12 -3.752445763261334E-15 -2.45091832127859E-13 3.79182293707417E-15
tp 3.825201826172061E-13 -1.511482720239618E-12 1.574107786159711E-8 1.408402012472814E-11 2.927201688227762E-9 1.396497816963172E-12
node 1.209829951243097E-15 -3.752445763261334E-15 1.408402012472814E-11 2.871546391718353E-10 -2.781954570389469E-10 1.291009803430119E-11
peri 6.273928252641884E-14 -2.45091832127859E-13 2.927201688227762E-9 -2.781954570389469E-10 8.274943294444599E-10 -1.235881461648952E-11
i -1.080400393972837E-15 3.79182293707417E-15 1.396497816963172E-12 1.291009803430119E-11 -1.235881461648952E-11 2.218731262006334E-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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