Ceres (é-he̍k-chheⁿ)
sió-he̍k-chheⁿ
(Tùi Ceres (dwarf planet) choán--lâi)
1 Ceres (hû-hō: .svg){kind=small}
)[17] sī 1 lia̍p tiàm tī sió-he̍k-chheⁿ-toà ê é-he̍k-chheⁿ, hoat-hiān-jîn sī Giuseppe Piazzi, tī 1801 nî. Ceres sī Lô-má cha-bó͘ sîn-bêng ê miâ.
_(cropped).jpg) Ceres in true colour in 2015 | |||||||||
| Hoat-kiàn[1] | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Hoat-kiàn-chiá | Giuseppe Piazzi | ||||||||
| Hoat-kiàn ji̍t-chí | 1 January 1801 | ||||||||
| Miâ-hō | |||||||||
| MPC miâ-hō | 1 Ceres | ||||||||
| Ho͘-im | /ˈsɪəriːz/ | ||||||||
Hō-miâ iû-lâi | Cerēs | ||||||||
| Adjectives | Cererian, -ean (/sɪˈrɪəriən/) | ||||||||
| Kúi-tō sèng-chit[4] | |||||||||
| Goân-kî 21 January 2022 (JD 2459600.5 ) | |||||||||
| Aphelion | 2.98 astronomical units (446×106 km) | ||||||||
| Kīn-ji̍t-tiám | 2.55 astronomical units (381×106 km) | ||||||||
| 2.77 astronomical units (414×106 km) | |||||||||
| Lî-sim-lu̍t | 0.0785 | ||||||||
|
4.60 yr 1680 d | |||||||||
|
1.28 yr 466.6 d[2] | |||||||||
Pêng-kin kúi-tō sok-le̍k | 17.9 km/s | ||||||||
| 291.4° | |||||||||
| Khi-pêng |
10.6° to ecliptic 9.20° to invariable plane[3] | ||||||||
| 80.3° | |||||||||
| 7 December 2022 | |||||||||
| 73.6° | |||||||||
| Proper orbital elements[5] | |||||||||
Proper Pòaⁿ-tn̂g chhia-sim | 2.77 AU | ||||||||
Proper eccentricity | 0.116 | ||||||||
Proper inclination | 9.65° | ||||||||
Proper mean motion | 78.2 deg / yr | ||||||||
Proper orbital period |
4.60358 yr (1681.458 d) | ||||||||
Precession of perihelion | 54.1 arcsec / yr | ||||||||
Precession of the ascending node | −59.2 arcsec / yr | ||||||||
| Physical characteristics | |||||||||
| Dimensions | (964.4 × 964.2 × 891.8) ± 0.2 km[4] | ||||||||
Mean diameter | 939.4±0.2 km[4] | ||||||||
Pêng-kin poàn-kéng | 469.73 km[6] | ||||||||
| 2,770,000 km2[d] | |||||||||
| Thé-chek | 434,000,000 km3[d] | ||||||||
| Chit-liōng |
(9.3835±0.0001)×1020 kg[4] 0.00016 Earths 0.0128 Moons | ||||||||
Pêng-kin bi̍t-tō͘ | 2.162±0.008 g/cm3[4] | ||||||||
Equatorial surface gravity |
Pang-bô͘:Gr m/s2[d] 0.029 g | ||||||||
| 0.36±0.15[7][lower-alpha 1] (estimate) | |||||||||
Equatorial escape velocity | Pang-bô͘:V2 km/s[d] | ||||||||
Hêng-chheⁿ chū-choán chiu-kî | 9.074170±0.000001 h[4] | ||||||||
Chhiah-tō chū-choán sok-tō͘ | 92.61 m/s[d] | ||||||||
| ≈4°[9] | |||||||||
Pak-ke̍k chhiah-keng | 291.42744°[10] | ||||||||
Pak-ke̍k chhiah-hūi | 66.76033°[6] | ||||||||
| 0.090±0.0033 (V-band)[11] | |||||||||
| |||||||||
| C[12] | |||||||||
| 3.34[4] | |||||||||
| 0.854″ to 0.339″ | |||||||||
|
| |||||||||
19 sè-kí chhím hoat-hiān ê sî, lâng lia̍h-chún i hām kî-thaⁿ ê he̍k-chheⁿ sio siâng, só͘-í kā i tòng-chò 1 lia̍p he̍k-chheⁿ. Boé--á khah liáu-kái i ê sèng-chit liáu-aū, tō kā lia̍t chò sió-he̍k-chheⁿ. Sui-bóng 1 Ceres ti̍t-kèng chiah 950 km, i si̍t-chāi sī Thài-iông-hē 13 bān lia̍p sió-he̍k-chheⁿ tang-tiong, siōng kài toā lia̍p, chit-liōng siōng chē, hêng siōng îⁿ ê 1 lia̍p, ē-sái kóng sió-he̍k-chheⁿ-toà ū 3-hūn-1 ê chit-liōng tī i hia. In-ūi án-ne, 2006 nî 8 goe̍h thian-bûn-ha̍k-kài koh kā i kái lia̍t chò 1 lia̍p "é-he̍k-chheⁿ".
Tsù-sik
siu-káiTsù-kái
siu-kái- ↑ Schmadel, Lutz (2003). Dictionary of minor planet names (5th pán.). Germany: Springer. p. 15. ISBN 978-3540002383. goân-loē-iông tī 16 February 2021 hőng khó͘-pih. 21 January 2021 khòaⁿ--ê.
- ↑ "On The New Planet Ceres". A Journal of Natural Philosophy, Chemistry, and the Arts (ēng Eng-gí). 1802. goân-loē-iông tī 29 May 2022 hőng khó͘-pih. 29 May 2022 khòaⁿ--ê.
- ↑ Souami, D.; Souchay, J. (July 2012). "The solar system's invariable plane". Astronomy & Astrophysics. 543: 11. Bibcode:2012A&A...543A.133S. doi:10.1051/0004-6361/201219011. A133.
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jījpl_sbdb - ↑ "AstDyS-2 Ceres Synthetic Proper Orbital Elements". Department of Mathematics, University of Pisa, Italy. goân-loē-iông tī 21 November 2011 hőng khó͘-pih. 1 October 2011 khòaⁿ--ê.
- ↑ 6.0 6.1 "Asteroid Ceres P_constants (PcK) SPICE kernel file". NASA Navigation and Ancillary Information Facility. goân-loē-iông tī 28 July 2020 hőng khó͘-pih. 8 September 2019 khòaⁿ--ê.
- ↑ Mao, X.; McKinnon, W. B. (2018). "Faster paleospin and deep-seated uncompensated mass as possible explanations for Ceres' present-day shape and gravity". Icarus. 299: 430–442. Bibcode:2018Icar..299..430M. doi:10.1016/j.icarus.2017.08.033.
- ↑ Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jīPark2016 - ↑ Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jīSchorghofer2016 - ↑ Konopliv, A.S.; Park, R.S.; Vaughan, A.T.; Bills, B.G.; Asmar, S.W.; Ermakov, A.I.; Rambaux, N.; Raymond, C.A.; Castillo-Rogez, J.C.; Russell, C.T.; Smith, D.E.; Zuber, M.T. (2018). "The Ceres gravity field, spin pole, rotation period and orbit from the Dawn radiometric tracking and optical data". Icarus. 299: 411–429. Bibcode:2018Icar..299..411K. doi:10.1016/j.icarus.2017.08.005.
- ↑ Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jīLi2006 - ↑ Rivkin, A. S.; Volquardsen, E. L.; Clark, B. E. (2006). "The surface composition of Ceres: Discovery of carbonates and iron-rich clays" (PDF). Icarus. 185 (2): 563–567. Bibcode:2006Icar..185..563R. doi:10.1016/j.icarus.2006.08.022. goân-loē-iông (PDF) tī 28 November 2007 hőng khó͘-pih. 8 December 2007 khòaⁿ--ê.
- ↑ King, Bob (5 August 2015). "Let's Get Serious About Ceres". Sky & Telescope. 25 July 2022 khòaⁿ--ê.
- ↑ Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jīAstDys-object - ↑ Ín-iōng chhò-gō͘: Bû-hāu ê
<ref>tag; chhōe bô chí-miâ ê ref bûn-jīDawn2017 - ↑ Tosi, F.; Capria, M. T.; et al. (2015). "Surface temperature of dwarf planet Ceres: Preliminary results from Dawn". 46th Lunar and Planetary Science Conference: 11960. Bibcode:2015EGUGA..1711960T. 25 May 2021 khòaⁿ--ê.
- ↑ JPL/NASA (2015-04-22). "What is a Dwarf Planet?". Jet Propulsion Laboratory. 2022-01-19 khòaⁿ--ê.
| Thài-iông-hē |
|---|
|
| Chheⁿ: Ji̍t-thâu |
| He̍k-chheⁿ: Chúi-chheⁿ | Kim-chheⁿ | Tē-kiû | Hóe-chheⁿ | Bo̍k-chheⁿ | Thó͘-chheⁿ | Thian-ông-chheⁿ | Hái-ông-chheⁿ |
| É-he̍k-chheⁿ: Ceres | Mê-ông-chheⁿ | Haumea | Makemake | Eris |
| Sió-bu̍t-thé: Sió-he̍k-chheⁿ | Hái-ông-chheⁿ goā chheⁿ-thé | Tn̂g-boé-chheⁿ |
| Oē-chheⁿ: Goe̍h-niû | Hoé-chheⁿ ê | Bo̍k-chheⁿ ê | Thó͘-chheⁿ ê | Thian-ông-chheⁿ ê | Hái-ông-chheⁿ ê |
| Tīn: Sió-he̍k-chheⁿ-toà | Kuiper-toà | Sàn-loān îⁿ-poâⁿ | Oort-hûn |
| Chhiáⁿ chham-khó thian-bûn bu̍t-thé, thài-iông-hē ê chheⁿ-thé lia̍t-toaⁿ, chiàu poàⁿ-kèng pâi iah sī chiàu chit-liōng pâi |
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