Discovery[1] | |
---|---|
Discovered by | H. E. Wood |
Discovery site | Johannesburg Obs. |
Discovery date | 4 March 1932 |
Designations | |
(1241) Dysona | |
Named after | Frank Watson Dyson[2] (English astronomer) |
1932 EB1 · 1931 AA1 1945 RA · 1948 CE 1956 PB · A908 DC A920 EB | |
main-belt · (outer)[3] background[4] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 97.31 yr (35,542 days) |
Aphelion | 3.5165 AU |
Perihelion | 2.8633 AU |
3.1899 AU | |
Eccentricity | 0.1024 |
5.70 yr (2,081 days) | |
290.13° | |
0° 10m 22.8s / day | |
Inclination | 23.518° |
322.27° | |
320.07° | |
Physical characteristics | |
Dimensions | 70.757±0.287 km[5] 74.83±28.44 km[6] 75.62±0.82 km[7] 77.14±0.86 km[8] 77.47±26.72 km[9] 79.190±0.694 km[10] 83.05±4.4 km[11] |
8.355±0.001 h[12] 8.60738 h[13] 8.6080±0.0005 h[14] | |
0.04±0.05[9] 0.0425±0.005[11] 0.047±0.003[10] 0.05±0.05[6] 0.051±0.001[8] 0.051±0.005[7] 0.0585±0.0120[5] | |
Tholen = PDC[1][3] B–V = 0.750[1] U–B = 0.290[1] | |
9.45[1][3][5][6][7][8][11] · 9.74[9] | |
1241 Dysona, provisional designation 1932 EB1, is a dark background asteroid from the outer regions of the asteroid belt, approximately 77 kilometers in diameter. It was discovered on 4 March 1932, by English astronomer Harry Edwin Wood at the Union Observatory in Johannesburg, South Africa.[15] The asteroid was named after English astronomer Frank Watson Dyson.[2]
jpldata
was invoked but never defined (see the help page).springer
was invoked but never defined (see the help page).lcdb
was invoked but never defined (see the help page).AstDys-object
was invoked but never defined (see the help page).WISE
was invoked but never defined (see the help page).Nugent-2015
was invoked but never defined (see the help page).Masiero-2012
was invoked but never defined (see the help page).AKARI
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).SIMPS
was invoked but never defined (see the help page).geneva-obs
was invoked but never defined (see the help page).Hanus-2013a
was invoked but never defined (see the help page).Oey-2007b
was invoked but never defined (see the help page).MPC-object
was invoked but never defined (see the help page).