22740 Rayleigh

22740 Rayleigh
Discovery [1]
Discovered byE. W. Elst
Discovery siteLa Silla Obs.
Discovery date20 September 1998
Designations
(22740) Rayleigh
Named after
Lord Rayleigh [2]
(English physicist)
1998 SX146 · 1986 SN
main-belt [2] · (outer)[1]
background [3] · Zhongguo [4]
Orbital characteristics [1]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc31.32 yr (11,438 d)
Aphelion3.9380 AU
Perihelion2.5473 AU
3.2426 AU
Eccentricity0.2144
5.84 yr (2,133 d)
200.81°
0° 10m 7.68s / day
Inclination3.1157°
169.06°
112.43°
Physical characteristics
9.819±2.434 km[5]
0.088±0.081[5]
13.4[1]

22740 Rayleigh (provisional designation 1998 SX146) is a Zhongguo asteroid from the outermost region of the asteroid belt, approximately 10 kilometers (6 miles) in diameter. It was discovered on 20 September 1998, by Belgian astronomer Eric Elst at the La Silla Observatory in Chile. It is one of few asteroids located in the 2 : 1 resonance with Jupiter. The asteroid was named for English physicist and Nobel laureate Lord Rayleigh.[2]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Roig-2002 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).