Chandra X-ray Observatory over Houston tonight
Pass predictions for Houston, TX.
Next visible pass
Sat, Jul 25, 9:15 PM
Peak elevation 67.03° · rises N · sets NW
Tracking: CXO (NORAD 25867)
7-day pass forecast
| Date | Time | Peak elev | Rises | Sets |
|---|---|---|---|---|
| Jul 25 | 9:15 PM | 67.03° | N | NW |
| Jul 26 | 4:24 PM | 89.67° | NE | W |
| Jul 28 | 2:00 PM | 74.64° | NE | NW |
| Jul 29 | 5:13 PM | 77.37° | NE | W |
| Jul 30 | 11:44 AM | 80.19° | S | NW |
| Jul 31 | 3:10 PM | 82.05° | NE | NW |
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.