Discovery[1] | |
---|---|
Discovered by | G. van Biesbroeck |
Discovery site | Yerkes Obs. |
Discovery date | 2 December 1923 |
Designations | |
(1024) Hale | |
Named after | George Ellery Hale[2] (American astronomer) |
A923 YO13 | |
main-belt[1][3] · (outer)[4] background[5] | |
Orbital characteristics[3] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 89.22 yr (32,587 d) |
Aphelion | 3.5095 AU |
Perihelion | 2.2230 AU |
2.8663 AU | |
Eccentricity | 0.2244 |
4.85 yr (1,772 d) | |
173.74° | |
0° 12m 11.16s / day | |
Inclination | 16.090° |
58.856° | |
307.94° | |
Physical characteristics | |
28.46±6.70 km[6] 41.28 km (derived)[4] 43.274±0.148 km[7] 45.964±17.12 km[8] 47.33±8.98 km[9] 47.674±0.893 km[10] 48.18±0.78 km[11] 51.37±15.55 km[12] | |
16.0±0.1 h[13] | |
0.0260±0.0240[8] 0.027±0.047[12] 0.0289±0.0057[10] 0.03±0.02[9] 0.044±0.002[11] 0.045±0.007[7] 0.0496 (derived)[4] 0.10±0.04[6] | |
SMASS = Ch[3] · C[14] C (SDSS-MFB)[4] | |
10.60[11] · 10.70[3][9] 10.78[8][14] · 10.8[4][10] 10.83[6] · 11.00[12] | |
1024 Hale, provisional designation A923 YO13, is a carbonaceous background asteroid from the outer regions of the asteroid belt, approximately 45 kilometers (28 miles) in diameter. The asteroid was discovered on 2 December 1923, by Belgian–American astronomer George Van Biesbroeck at the Yerkes Observatory in Wisconsin, United States.[1] It was named for American astronomer George Ellery Hale.[2] The dark C-type asteroid may have a rotation period of 16 hours.[4]
MPC-object
was invoked but never defined (see the help page).springer
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).lcdb
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was invoked but never defined (see the help page).Nugent-2016
was invoked but never defined (see the help page).Masiero-2014
was invoked but never defined (see the help page).Masiero-2017
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was invoked but never defined (see the help page).AKARI
was invoked but never defined (see the help page).Masiero-2012
was invoked but never defined (see the help page).Alkema-2013b
was invoked but never defined (see the help page).Veres-2015
was invoked but never defined (see the help page).