LowEarth

Chandra X-ray Observatory over Houston tonight

Pass predictions for Houston, TX.

Next visible pass
Sat, Oct 24, 10:39 AM
Peak elevation 84.22° · rises NE · sets NW
Tracking: CXO (NORAD 25867)

7-day pass forecast

DateTimePeak elevRisesSets
Oct 2410:39 AM84.22°NENW
Oct 266:32 AM69.55°NENW
Oct 2710:37 AM85.20°NEW
Oct 2810:05 AM40.85°WNW
Oct 298:24 AM77.14°NENW
Oct 3011:39 AM63.41°ESW

How to spot Chandra X-ray Observatory from Houston

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 Houston.

Prefer email?

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