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9705 Drummen (3137 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2009705
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO250306 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.1278259 n/a  
a 3.0488013 n/a AU
q 2.6590855 n/a AU
i 10.71421 n/a deg
node 24.59530 n/a deg
peri 12.82903 n/a deg
M 235.39651 n/a deg
tp 2457073.5073599
(2015-Feb-20.00735990)
n/a JED
period 1944.4290811
5.32
n/a
n/a
d
yr
n 0.18514432 n/a deg/d
Q 3.4385171 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      660  
   first obs. used      1977-??-??  
   last obs. used      2012-07-30  
   # oppositions      15  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.56  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.199 

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a PDS3 (MPC 32915)  

9705 Drummen           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Since 1975, Mat Drummen (b. 1945) has been director of "de Koepel", the Dutch center for dissemination of information on astronomy, space science and meteorology. He is author of the annual Sterrengids and coeditor of the Dutch popular journal Zenit. The name was suggested by C. de Jager.
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

Alternate Designations
 3137 T-3 = 1993 TH1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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