179 Klytaemnestra
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Klytaemnestra (minor planet designation: 179 Klytaemnestra) is a stony Telramund asteroid from the outer regions of the asteroid belt, approximately 77 kilometers (48 miles) in diameter. It was discovered on 11 November 1877, by Canadian-American astronomer James Craig Watson at the old Ann Arbor Observatory in Michigan, United States.[1] It was his last discovery three years before his death.[16] The transitional S-type asteroid has a rotation period of 11.17 hours.[5] It was named after Clytemnestra from Greek mythology.[3]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
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Discovered by | J. C. Watson |
Discovery site | Ann Arbor Obs. |
Discovery date | 11 November 1877 |
Designations | |
(179) Klytaemnestra | |
Pronunciation | /klɪtɪmˈnɛstrə/[2] |
Named after | Clytemnestra[3] (Greek mythology) |
A877 VC | |
main-belt[1][4] · (outer)[5] Telramund[6] | |
Orbital characteristics[4] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 119.12 yr (43,507 d) |
Aphelion | 3.3085 AU |
Perihelion | 2.6356 AU |
2.9720 AU | |
Eccentricity | 0.1132 |
5.12 yr (1,871 d) | |
194.50° | |
0° 11m 32.64s / day | |
Inclination | 7.8163° |
251.91° | |
103.64° | |
Physical characteristics | |
Mean diameter | 64.25±0.79 km[7] 69.946±0.518 km[8] 72.786±0.799 km[9] 75.02±3.21 km[10] 77.69±1.4 km[11] 90.17±1.53 km[12] |
Mass | (2.49±1.19)×1017 kg[10] |
Mean density | 1.12±0.55 g/cm3[10] |
11.13±0.02 h[13] 11.173 h[14] 11.17342±0.00005 h[15] | |
0.119±0.018[12] 0.1609±0.006[11] 0.1833±0.0578[9] 0.198±0.011[8] 0.245±0.007[7] | |
Tholen = S[4] SMASS = Sk[4] B–V = 0.832[4] U–B = 0.408[4] | |
8.15[4][5][7][9][11][12] 8.22[14] | |
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