Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625903578565516 8.5148e-08  
a 2.643567193021292 2.2168e-08 AU
q 2.213748657090121 2.3164e-07 AU
i 12.74547433101299 9.138e-06 deg
node 332.4003834385916 3.0179e-05 deg
peri 337.8135876792725 3.8392e-05 deg
M 258.5848181771815 2.7153e-05 deg
tp 2457442.766892715848
(2016-Feb-24.26689272)
0.00012093 JED
period 1569.943262103207
4.30
1.9748e-05
5.407e-08
d
yr
n .2293076499578198 2.8844e-09 deg/d
Q 3.073385728952464 2.5773e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      19958 days (54.64 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48029  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:13:59  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-01 01:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin