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12136 Martinryle (3045 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012136
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625903823423805 9.095e-08  
a 2.643567195786805 2.243e-08 AU
q 2.213748594676054 2.4561e-07 AU
i 12.74547235566121 9.5735e-06 deg
node 332.4003837179757 3.0208e-05 deg
peri 337.8135912030256 3.8676e-05 deg
M 258.5848120224956 2.8157e-05 deg
tp 2457442.766920250150
(2016-Feb-24.26692025)
0.00012545 JED
period 1569.943264566752
4.30
1.9981e-05
5.47e-08
d
yr
n .2293076495979917 2.9185e-09 deg/d
Q 3.073385796897556 2.6077e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      19909 days (54.51 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48147  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:43:15  

Additional Information
 Earth MOID = 1.20611 AU 
 T_jup = 3.340 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO279644  

12136 Martinryle           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Martin Ryle (1918-1984) was a British astrophysicist who developed the aperture synthesis technique of interferometry and constructed large radio telescopes, using them to discover and catalogue numerous radio sources.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

Alternate Designations
 3045 P-L = 1990 RM2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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