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Annular Solar Eclipse Crosses Papua New Guinea · Chronopin

天文投稿 2026/09/202026/09/20 17:30·@ScienceDesk タイムラインへ

Annular Solar Eclipse Crosses Papua New Guinea

開始 2046/02/05 23:04

Point of greatest eclipse at sea, off Papua New Guinea

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Annular
Saros 141
Solar eclipse

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NASA's^[1][2][3][4] eclipse catalogue gives the instant of greatest eclipse as 23:04:57 UT on 2046-02-05 (23:06:26 TD, the two separated by delta-T), from Saros series 141. Eclipse circumstances are computed from orbital mechanics, so the date and time are exact centuries ahead.

開始: 2046年2月5日確度 75%出典：出典

Annular Solar Eclipse Crosses Papua New Guinea

Greatest eclipse falls at 23:04:57 UT on 2046-02-05, where the annular phase lasts 9 minutes 42 seconds on a path 310.1 km wide; the longest annularity anywhere on the track is 09m45.6s. The path of annularity crosses Papua New Guinea, Hawaii, California, Oregon and Idaho, and a partial eclipse is visible from Australia, Papua New Guinea and the western United States.

Greatest eclipse of the Annular Solar Eclipse of 2046 Feb 05 falls at 23:04:57.2 UT at 04°46.9'N 171°23.8'W, with the Sun 67.9° high, a path 310.1 km wide and a central duration of 09m42.4s^[1]
Annularity is longest at the point of Greatest Duration, 22:48:53 UT at 01°56'N 174°39'W, where the path is 316.7 km wide and the central duration reaches 09m45.6s^[1][3]
The path of annularity crosses Papua New Guinea, Hawaii, California, Oregon and Idaho, while the partial eclipse is visible from Australia, Papua New Guinea and the western United States^[2]
The eclipse belongs to Saros series 141, with eclipse magnitude 0.9232 (0.923 in the decade table), gamma 0.3765, path width 310 km and central duration 09m42s; both catalogues give greatest eclipse in Terrestrial Dynamical Time as 23:06:26, the same instant as the source's 23:04:57.2 UT given ΔT = 88.7 seconds^[1][2][4]
The source page tabulates the antumbral shadow at 120-second intervals in WGS 84 coordinates - 110 timed rows from 21:16 UT to 00:54 UT plus opening and closing "Limits" rows - with northern and southern limits, the central line, the Moon/Sun diameter ratio, the Sun's altitude and azimuth, path width and central-line duration^[1]
Saros 141 runs 1244.08 years across 70 eclipses (41 annular, 29 partial, sequence "7P 41A 22P"), from a partial eclipse on 1613 May 19 to a partial eclipse on 2857 Jun 13, all at the Moon's ascending node^[4]
Predictions were generated using the VSOP87/ELP2000-85 solar and lunar ephemerides with ΔT = 88.7 seconds and exclude the lunar limb profile; limb corrections may shift the path limits by ~1-3 kilometers, change durations by ~1-3 seconds and move the exact location of Greatest Duration by ~10-20 kilometers, with more detailed predictions "normally posted 12-18 months before each eclipse"^[1][3]
All the calculations are by Fred Espenak of NASA's Goddard Space Flight Center, who "assumes full responsibility for their accuracy"^[1][2][3][4]

0

参考資料 4確度 83%

最初の項目は常にピンの出典です。全体の確度は、各資料が上記の開始・終了時刻をどれだけ強く裏付けているかの加重平均です。最新の資料より180日古くなるごとに、重みは半分になります。

[1]75%
eclipse.gsfc.nasa.gov/SEpath/SEpath2001/SE2046Feb05Apath.html
eclipse.gsfc.nasa.gov· 投稿 2026年9月20日· 開始 2046年2月5日 ✓· スコアの 25%
NASA's^[2][3][4] eclipse catalogue gives the instant of greatest eclipse as 23:04:57 UT on 2046-02-05 (23:06:26 TD, the two separated by delta-T), from Saros series 141. Eclipse circumstances are computed from orbital mechanics, so the date and time are exact centuries ahead.
[2]85%
Solar Eclipses: 2041 - 2050
eclipse.gsfc.nasa.gov· 追加 2026年9月20日· スコアの 25%
NASA’s^[1][3][4] decade table, the only one of these pages that names places: its row for 2046 Feb 05 gives "[Annular: Papua New Guinea, Hawaii, California, Oregon, Idaho]" and the region of visibility as "Australia, Papua New Guinea, w US".
[3]90%
Annular Solar Eclipse of 2046-02-05 - Google map of the path
eclipse.gsfc.nasa.gov· 追加 2026年9月20日· スコアの 25%
NASA's^[1][2][4] interactive map of this eclipse, showing the central path, the points of greatest eclipse and greatest duration, and local circumstances anywhere on the map.
[4]80%
Saros series 141
eclipse.gsfc.nasa.gov· 追加 2026年9月20日· スコアの 25%
The saros series this eclipse belongs to, listing every eclipse in the same 18-year family and where each one fell.^[1]

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