Chúi-Chheⁿ: Siōng óa Thài-iông ê kiâⁿ-cheⁿ

**Chúi-chheⁿ**
Kúi-tō sèng-chit
	Goân-kî J2000
Aphelion	0.466697 AU; 69,816,900 km;
Kīn-ji̍t-tiám	0.307499 AU; 46,001,200 km;
Pòaⁿ-tn̂g chhia-sim	0.387098 AU; 57,909,050 km;
Lî-sim-lu̍t	0.205630
Kúi-tō chiu-kî	87.9691 d; 0.240846 yr; 0.5 Mercury synodic day;
Hōe-ha̍p chiu-kî	115.88 d
Pêng-kin kúi-tō sok-le̍k	47.362 km/s
Pêng-kin kīn-tiám-kak	174.796°
Khi-pêng	7.005° to ecliptic; 3.38° to Sun's equator; 6.34° to invariable plane;
Seng-kau-tiám ê keng-tō͘	48.331°
Hn̄g-tiám ê ín-sò͘	29.124°
Ōe-chheⁿ	None
Bu̍t-lí sèn-chit
Mean diameter	4880 km
Pêng-kin poàn-kéng	2,439.7±1.0 km; 0.3829 Earths;
Píⁿ-pêⁿ-lu̍t	0.0000 [1]
Piáu-bīn-chek	7.48×107 km2; 0.147 Earths;
Thé-chek	6.083×1010 km3; 0.056 Earths;
Chit-liōng	3.3011×1023 kg; 0.055 Earths;
Pêng-kin bi̍t-tō͘	5.427 g/cm3
Piáu-bīn tiōng-le̍k	3.7 m/s2; 0.38 g;
Koàn-sèng in-chú ê lêng-lu̍t	0.346±0.014
Thoat-cháu so̍k-tō͘	4.25 km/s
Hêng-chheⁿ chū-choán chiu-kî	58.646 d; 1407.5 h;
Chhiah-tō chū-choán sok-tō͘	10.892 km/h (3.026 m/s)
Chhia-sim khi-pêng	2.04′ ± 0.08′ (to orbit); (0.034°)
Pak-ke̍k chhiah-keng	18h 44m 2s; 281.01°;
Pak-ke̍k chhiah-hūi	61.45°
Hoán-siā-lu̍t	0.088 (Bond); 0.142 (geom.);
Bêng-hián-tō͘	−2.48 to +7.25
Kak-ti̍t-kèng	4.5–13″
Tāi-khì-khoan
Piáu-bīn ap-le̍k	trace (≲ 0.5 nPa)
Thé-chek cho͘-sêng	goân-chú sng-sò͘; natrium; magnesium; goân-chú chúi-sò͘; kalium; khā-lú-siúm; helium; bî-liōng ê thih, a-lú-mih, argon, chek-sò͘ hun-chú, sng-sò͘ hun-chú, jī-sng-hòa thòaⁿ-sò͘, chúi-cheng-khì, xenon, krypton kap neon;

Chúi-chheⁿ ê chheⁿ-téng (apparent magnitude) ùi -0.4 kaù 5.5, i ê khan-tǹg-kak (elongation) ke̍k-ke 28.3°, ài phú-hoáⁿ-kng (twilight) ê sî chiah khoàⁿ ē-tit tio̍h. Lán tùi Chúi-chheⁿ iáu bô siáⁿ liáu-kái, 1974 kaù 1975 hit chūn thài-khong-chûn (spacecraft) Chúi-hu 10 (Mariner 10) bat oá-kīn, m̄-koh chiah khoàⁿ tio̍h 40%-45% niā.

Chúi-chheⁿ kap Goe̍h-niû chin sio-siâng, goā-piáu lóng sī chheⁿ-chi̍oh-khut. I bô oē-chheⁿ mā bô tāi-khì-chân, m̄-koh ū 1 ê toā thih-sim, chō-chiâⁿ ê chû-tiûⁿ chha-put-to Tē-kiû--ê 1% hiah kiông. Chúi-chheⁿ piáu-bīn ê un-tō͘ ùi 90 kaù 700 K, chiàⁿ-ji̍t-thaû-kha (subsolar) siōng joa̍t, oá lâm-pak-ke̍k (poles) ê chheⁿ-chio̍h-khut ê khut-á-té siōng léng.

Goā-pō͘ liân-kiat

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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Chúi-Chheⁿ: Siōng óa Thài-iông ê kiâⁿ-cheⁿ

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