1104 Syringa
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1104 Syringa, provisional designation 1928 XA, is a dark background asteroid from the central regions of the asteroid belt, approximately 23 kilometers in diameter. It was discovered on 9 December 1928, by German astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany.[13] The asteroid was named after the flowering plant Syringa (lilac).[3]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
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Discovered by | K. Reinmuth |
Discovery site | Heidelberg Obs. |
Discovery date | 9 December 1928 |
Designations | |
(1104) Syringa | |
Pronunciation | /sɪˈrɪŋɡə/[2] |
Named after | Syringa (flowering plant)[3] |
1928 XA | |
main-belt · (middle)[4] background[5] | |
Orbital characteristics[1] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 88.80 yr (32,435 days) |
Aphelion | 3.5342 AU |
Perihelion | 1.7257 AU |
2.6299 AU | |
Eccentricity | 0.3438 |
4.27 yr (1,558 days) | |
351.89° | |
0° 13m 51.96s / day | |
Inclination | 6.4413° |
128.66° | |
277.48° | |
Physical characteristics | |
Mean diameter | 19.711±0.260 km[6] 22.10±0.7 km[7] 22.13 km (derived)[4] 23.244±0.213 km[8] 24.20±0.53 km[9] 24.30±1.17 km[10] |
5.1547±0.0012 h[11] | |
0.031±0.003[10] 0.033±0.006[8] 0.036±0.008[9] 0.0362±0.002[7] 0.0434 (derived)[4] 0.0450±0.0064[6] | |
SMASS = Xk[1] · X[4][12] · P[6] | |
12.30[1][4][9] 12.35±0.29[12] 12.50[6][7][10] | |
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