Chandra X-ray Observatory over Tokyo tonight

Pass predictions for Tokyo, JP.

Next visible pass
Sun, Jul 26, 11:45 AM
Peak elevation 80.88° · rises NE · sets NW
Tracking: CXO (NORAD 25867)

7-day pass forecast

DateTimePeak elevRisesSets
Jul 2611:45 AM80.88°NENW
Jul 273:28 PM71.21°NEW
Jul 2810:20 AM80.26°SNW
Jul 291:10 PM88.26°NENW
Jul 305:06 PM33.24°ES
Jul 318:09 AM74.07°NENW
Aug 12:07 PM82.95°NEW

How to spot Chandra X-ray Observatory from Tokyo

NASA's flagship X-ray space telescope.

  • Look in the direction listed — passes start near the horizon and arc across the sky.
  • Peak elevation matters — a 60°+ peak means it'll go nearly overhead; under 30° stays low.
  • Best viewing is in the 90 minutes after sunset or before sunrise — the satellite is sunlit while you're in shadow.
  • No equipment needed for bright passes — the ISS at peak rivals Venus.

Going to look up?

For fainter satellites you'll want 7×50 or 10×50 binoculars. A pair of Celestron SkyMaster binoculars is the consensus pick. Affiliate placement — replace with your affiliate link.

Pass alerts on your phone

Browser push, no email needed. We'll notify you 30 minutes before Chandra X-ray Observatory is visible from Tokyo.

Prefer email?

One email tonight before Chandra X-ray Observatory is visible, never more than 2/week.