Mauna Kea Observatories

Mauna Kea, Big Island, HI

Tonight's best

First quarter, 60% lit.

Dark from 04:32 to 16:02 UTC.

Highest passes, ranked by peak altitude:

CYGFM03

18:21 UTC, peak 87.5 degrees

METOP-B

19:23 UTC, peak 86.0 degrees

SL-16 R/B

18:58 UTC, peak 84.1 degrees

Sky chart · Star compass · Pass simulation

Next possible eclipse

Possible lunar eclipse

Fri 22 Jan 2027, 12:00 UTC

Visible from here at that time.

Approximate, within about an hour. Check a published eclipse table before planning.

Planets

The sky is still too bright to see planets well at this time.

Mars

Above the horizon, 83.6 degrees up, to the E

Jupiter

Above the horizon, 73.1 degrees up, to the E

Uranus

Above the horizon, 29.3 degrees up, to the W

Venus

Below the horizon (2.2 degrees)

Mercury

Below the horizon (-14.0 degrees)

Saturn

Below the horizon (-25.7 degrees)

Neptune

Below the horizon (-33.4 degrees)

Calculated from NASA's DE421 planetary data. Times are UTC.

Sky conditions

Average cloud cover for the next 6 hours: 34%. Forecast by Open-Meteo (CC BY 4.0).

Time (UTC)	Cloud	Visibility	Humidity	Rain
Mon 17:00	9%	85.9 km	72%	22%
Mon 18:00	0%	87.9 km	70%	16%
Mon 19:00	2%	7.6 km	71%	10%
Mon 20:00	4%	85.7 km	73%	4%
Mon 21:00	86%	85.7 km	77%	2%
Mon 22:00	100%	8.3 km	86%	6%

Pass reminders

Get a notification 2 minutes before each pass in the next 24 hours. Keep this page open, since reminders are scheduled in the browser.

Next 24 hours

Times are UTC. Each bar is a satellite above 10 degrees. The left edge is the start of the window.

Next pass at 17:02 UTC, peak 25.9 degrees.

18:00

21:00

00:00

03:00

06:00

09:00

12:00

15:00

Satellite	Starts (UTC)	Peak
SL-3 R/B	17:02	25.9°
SPACEMOBILE-003	17:02	12.6°
HIMAWARI-8	17:02	16.1°
HIMAWARI-9	17:02	16.2°
GOES 16	17:02	29.2°
GOES 17	17:02	14.6°
ARKTIKA-M 1	17:02	36.9°
GOES 18	17:02	58.7°
SL-3 R/B	17:04	30.6°
SL-8 R/B	17:06	29.8°