22740 Rayleigh
| Discovery | |
|---|---|
| Discovered by | Eric Walter Elst |
| Discovery site | European Southern Observatory |
| Discovery date | 20 September 1998 |
| Designations | |
| MPC designation | 22740 |
|
Named after
|
John Strutt, 3rd Baron Rayleigh |
| 1998 SX146 | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 10686 days (29.26 yr) |
| Aphelion | 3.93811 AU (589.133 Gm) |
| Perihelion | 2.55138 AU (381.681 Gm) |
| 3.24475 AU (485.408 Gm) | |
| Eccentricity | 0.213688 |
| 5.84 yr (2134.9 d) | |
| 65.7953° | |
| 0° 10m 7.064s / day | |
| Inclination | 3.11554° |
| 169.062° | |
| 112.496° | |
| Earth MOID | 1.53541 AU (229.694 Gm) |
| Jupiter MOID | 1.23229 AU (184.348 Gm) |
| Jupiter Tisserand parameter | 3.144 |
| Physical characteristics | |
| 13.4 | |
22740 Rayleigh (1998 SX146) is an outer main-belt asteroid discovered on September 20, 1998 by Eric Walter Elst at the European Southern Observatory. It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter.
The asteroid was named in honour of the English physicist John William Strutt, Lord Rayleigh (1842–1919).
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