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9676 Eijkman (2023 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2009676
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636192420246979 6.0411e-08  
a 3.081334735470976 2.869e-08 AU
q 2.577169081628842 1.8981e-07 AU
i .6139054259590695 6.71e-06 deg
node 322.3062275351543 0.00065405 deg
peri 357.1133519172641 0.000654 deg
M 3.369871870569588 2.7874e-05 deg
tp 2456782.006562918210
(2014-May-04.50656292)
0.00015285 JED
period 1975.635159184539
5.41
2.7593e-05
7.555e-08
d
yr
n .1822198791747527 2.545e-09 deg/d
Q 3.585500389313109 3.3385e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      21912 days (59.99 yr)  
   first obs. used      1954-07-03  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50311  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:20  

Additional Information
 Earth MOID = 1.56309 AU 
 T_jup = 3.207 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO266010  

9676 Eijkman           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Christiaan Eijkman (1858-1930) won the Nobel Prize in physiology or medicine for his discovery of the antineuritic vitamin, now known as B _1 or thiamine. Investigating the disease beriberi in Java, his observations of dietary deficiency led to the discovery of vitamins. He shared the 1929 Nobel Prize with Gowland Hopkins.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2023 P-L = 1987 SL12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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