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

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629513684724054 1.294e-08  
a 2.643264111770255 8.6863e-09 au
q 2.212540607523295 3.3413e-08 au
i 12.75091952739981 5.3559e-07 deg
node 332.3431011199701 4.5828e-06 deg
peri 337.3629853054592 9.8065e-06 deg
M 88.45370588903666 6.6821e-06 deg
tp 2459010.823836547402
(2020-Jun-10.32383655)
2.8843e-05 TDB
period 1569.673282169901
4.30
7.7374e-06
2.118e-08
d
yr
n .2293470903080796 1.1305e-09 deg/d
Q 3.073987616017215 1.0102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2305  
   data-arc span      22229 days (60.86 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:44:52  

Additional Information
 Earth MOID = 1.20354 au 
 Jupiter MOID = 2.24951 au 
 T_jup = 3.340 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457639.5 (2016-Sep-08.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629185885956574 1.2999e-08  
q 2.213480084283508 3.3711e-08 au
tp 2457442.591277139239
(2016-Feb-24.09127714)
2.909e-05 TDB
node 332.3985493799808 4.5856e-06 deg
peri 337.7726131518166 9.8111e-06 deg
i 12.74469808245539 5.3518e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2305  
   data-arc span      22229 days (60.86 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:44:52  

Additional Information
 Jupiter MOID = 2.24951 au 
 T_jup = 3.340 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.689745084243577E-16 -4.281493538523342E-16 1.487868890038788E-13 1.217029285814014E-14 4.160930150743892E-14 -7.135891304594005E-17
q -4.281493538523342E-16 1.136460093569672E-15 -4.281447519667241E-13 -3.045179955879078E-14 -1.206507239328397E-13 1.305582132458223E-16
tp 1.487868890038788E-13 -4.281447519667241E-13 8.462268099123415E-10 -2.768888420415122E-11 2.5855854992938E-10 1.009158802751323E-12
node 1.217029285814014E-14 -3.045179955879078E-14 -2.768888420415122E-11 2.102778942119961E-11 -2.627519968010252E-11 -6.671381704248086E-13
peri 4.160930150743892E-14 -1.206507239328397E-13 2.5855854992938E-10 -2.627519968010252E-11 9.625807154844425E-11 8.770431700512736E-13
i -7.135891304594005E-17 1.305582132458223E-16 1.009158802751323E-12 -6.671381704248086E-13 8.770431700512736E-13 2.864169028687022E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.38   n/a MPO636249  
diameter diameter 5.646 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.976 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.350   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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