SkyTracko

Tonight's Sky from Sao Paulo, Brazil

23.55°S, 46.64°W · America/Sao_Paulo · Tue, Apr 28 · 19:33 UTC

☀️ Daytime — but ISS passes tonight

Set a reminder for the ISS pass. 🌇 Sunset in about 1h 10m. ☁️ Overcast — visibility may be limited tonight, including ISS.

⏳Wait for sunset — nothing visible in daylight.

Sao Paulo, Brazil · 4 planets in the sky (daylight — none visible)

Best thing to see tonight

ISS

47° pass — but likely hidden by cloud cover. Moves from south-southwest, passes fairly high in the sky, exits east-northeast

Fair
Where to look
Look south-southwest
When
6 min pass (23:10 UTC)
Visibility score
40/100
4 planets in the sky, but none visible to the naked eye
  • Mercury — Daylight is too bright — planets are washed out by the sun.
  • Venus — Daylight is too bright — planets are washed out by the sun.
  • Jupiter — Daylight is too bright — planets are washed out by the sun.
  • Uranus — Daylight is too bright — planets are washed out by the sun.
3 planets below the horizon — Mars, Saturn, Neptune
  • Mars — Below horizon
  • Saturn — Below horizon
  • Neptune — Below horizon

Observing conditions

Cloud cover
100%
Overcast
Moon
Waxing Gibbous
92% lit — Moon visible, but no impact in daylight
Light pollution
Inner city
Bortle 9 — measured

Light pollution

Bortle scale · catalogued
9/9
Inner city
1 · Pristine5 · Suburban9 · Inner city

Inner-city sky. Only Moon, planets, and the very brightest stars. No stellar limiting magnitude worth reporting.

Naked-eye limit
mag 4.0

Next eclipse

Solar · total
106
days away

A total solar eclipse on Wednesday, 12 August 2026.

Visible: Greenland, Iceland, Spain, North Africa. Confirm viewability from Sao Paulo on the detail page.

Duration
2m 18s
Magnitude
1.04

What this means

It is still daylight — check back after sunset.

The sky is overcast — outdoor viewing is not recommended tonight.

A nearly full Moon is dominating the sky — expect reduced contrast.

Sun

Above horizon
Altitude
14.1°
Sun is up
Azimuth
293° WNW
Next sunrise
Wed, Apr 29 · 09:26 UTC
Next sunset
Tue, Apr 28 · 20:42 UTC

Moon

Visible
Phase
Waxing Gibbous
91.9% illuminated
Altitude
9.4°
Azimuth
90° E
Next moonrise
Wed, Apr 29 · 19:18 UTC

ISS passes (next 48 h)

5 passes
  • Tue, Apr 28 · 23:10 UTC
    peak 47°
    in 4 hoursrises SSW → sets ENE6m 32s
  • Wed, Apr 29 · 14:10 UTC
    peak 56°
    in 19 hoursrises NW → sets SSE6m 43s
  • Wed, Apr 29 · 22:23 UTC
    peak 24°
    tomorrowrises SSW → sets E5m 36s
  • Thu, Apr 30 · 00:01 UTC
    peak 16°
    tomorrowrises W → sets NNW4m 19s
  • Thu, Apr 30 · 13:22 UTC
    peak 65°
    in 2 daysrises NNW → sets SE6m 46s

Active meteor showers

1 active

  • Eta Aquariids

    ~50/hr

    Halley's Comet debris; favors the Southern Hemisphere.

    Peak: 05-06

Advanced — raw altitude, azimuth, magnitude for all planets

Planets

0 currently observable
  • Mercurymag -0.6
    4.3°Not visible
  • Venusmag -3.9
    30.1°Not visible
  • Mars
    Below horizon
  • Jupitermag -2.0
    43.5°Not visible
  • Saturn
    Below horizon
  • Uranusmag 5.8
    27.9°Not visible
  • Neptune
    Below horizon
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Tonight's Sky from Sao Paulo, Brazil