Taipei 台北

25.03°N, 121.57°E · Asia/Taipei · all times below are local

At 25.0°N the station can pass close to overhead; this week's highest pass reaches 85° to the east-south-east and the sky stays properly dark for 10.1 hours.

orbits & twilight computed 2026-10-29 20:54 UTC FRESH · 8 min ago

The sky is properly dark from 18:36 to 04:42 (10.1 hours); Hubble makes its next visible pass at 18:34, reaching 48° to the north; Mars is the highest planet at 66° to the west-south-west, around 05:06; the Moon is 82% lit (Waning gibbous).

Dark window

10.1h

sun below −18°

Next pass

21:19

Tiangong · NE · 45°

Highest pass

85°

ESE

Moon lit

82%

87.2° peak

Satellite passes — next 5 days ISS · Tiangong · Hubble · above 10° under a dark sky

HubbleFri 30 Oct18:34–18:45 (11 min)48° NW → ENE

HubbleFri 30 Oct20:13–20:25 (12 min)61° NNEWNW → E

TiangongFri 30 Oct21:19–21:28 (10 min)45° NENW → ESE

HubbleFri 30 Oct21:53–22:04 (11 min)43° SSWW → ESE

ISSFri 30 Oct22:22–22:32 (10 min)42° NWSW → NNE

TiangongFri 30 Oct22:56–23:04 (8 min)13° SWWNW → SSE

HubbleSat 31 Oct18:00–18:12 (12 min)47° NW → E

TiangongSat 31 Oct20:19–20:28 (10 min)23° NNENW → E

ISSSat 31 Oct21:34–21:44 (10 min)85° ESESW → NE

TiangongSat 31 Oct21:56–22:05 (10 min)29° SWWNW → SSE

ISSSun 01 Nov20:47–20:57 (10 min)37° SESSW → NE

ISSSun 01 Nov22:24–22:33 (8 min)13° NWW → NNE

Tonight's timelineTaipei · 17:18 → 06:00

Interactive plan →

Moon87° NE

Mars66° WSW

Saturn66° SSW

Jupiter60° W

Venusbelow 10°

Mercurybelow 10°

17:1819:5022:2300:5503:2706:00

Best targetshighest first

01Mars02:06–05:0666° WSWup 01:00–06:00

02Saturn18:12–02:0666° SSWup 17:18–03:18

03Jupiter02:36–05:0660° Wup 01:30–06:00

At 82% illuminated the Moon is the brightest thing in the sky tonight and will wash out fainter targets while it is up. Look for the planets anyway — they cut through moonlight better than almost anything else.

How passes work

We track three objects bright enough to be worth going outside for: the ISS, China's Tiangong station and the Hubble Space Telescope. Each orbits at roughly 7.5 km/s and comes round every 90–95 minutes, but a pass only counts as visible when the object is sunlit while your sky is dark — which is why they cluster in the two hours after sunset and before sunrise.

Elevation is the angle above your horizon. 10° is easy to spot if you know where to look; 45° is unmistakable — brighter than any star, moving like an aircraft that makes no sound. The last column tells you where to look first and where it will disappear.

Hubble is far fainter than the two stations: treat it as a dark-sky target for people who already know the sky, not a first sighting.

Positions from SGP4 propagation of the current Celestrak TLEs, checked against your coordinates; accuracy a few kilometres, which for “is it over my head” is plenty. A stale TLE drifts by seconds, not by orbits.

Nearby citiesclosest by distance, each recomputed for its own coordinates

All 170 cities →

FuzhouChina · 10.1h darkHubble 18:33 · 59°XiamenChina · 10.0h darkHubble 18:33 · 45°NingboChina · 10.2h darkTiangong 18:04 · 10°HangzhouChina · 10.2h darkTiangong 18:04 · 11°

Other cities

Same computation for 170 locations.

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