Discovery[1] | |
---|---|
Discovered by | H. van Gent |
Discovery site | Johannesburg Obs. (Leiden Southern Station) |
Discovery date | 9 September 1934 |
Designations | |
(1925) Franklin-Adams | |
Named after | John Franklin Adams (British astronomer)[2] |
1934 RY · 1969 EP1 1970 KH · 1974 KK | |
main-belt[1][3] · (middle) background[4][5] | |
Orbital characteristics[3] | |
Epoch 31 May 2020 (JD 2459000.5) | |
Uncertainty parameter 0 | |
Observation arc | 85.14 yr (31,098 d) |
Aphelion | 2.9989 AU |
Perihelion | 2.1046 AU |
2.5517 AU | |
Eccentricity | 0.1752 |
4.08 yr (1,489 d) | |
11.630° | |
0° 14m 30.48s / day | |
Inclination | 7.7371° |
113.47° | |
242.08° | |
Physical characteristics | |
8.864±0.114 km[6][7] | |
2.978±0.002 h[5][8][a] | |
0.356±0.054[6][7] | |
S (assumed)[9] | |
12.0[7] 12.1[1][3] | |
1925 Franklin-Adams (prov. designation: 1934 RY) is a stony background asteroid from the central regions of the asteroid belt, approximately 8.9 kilometers (5.5 miles) in diameter. It was discovered on 9 September 1934, by Dutch astronomer Hendrik van Gent at the Leiden Southern Station, annex to the Johannesburg Observatory in South Africa.[1] The bright asteroid has a short rotation period of less than 3 hours.[5] It was named after British amateur astronomer John Franklin Adams (1843–1912).[2]
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