Spacecraft information: TWILIGHT U
| Launched | 10 January 2026 |
| Flight ended | – |
| Status | Operational |
| Categories |
Recent launches
Active satellites |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | |
| NORAD ID | 67381 |
| COSPAR ID | 2026-004U |
| Observing |
Current orbital elements
| Inclination | 97.801° |
| Eccentricity | 0.00113 |
| RA ascending node | 2.382 hr |
| Argument perigee | 193.655° |
| Mean anomaly | 166.436° |
| Orbital period | 96.744 min |
| Epoch of osculation | 03 Feb 2026, 22:46 |
Derived Quantities
| Min Altitude | 602.0 km |
| Mean Altitude | 609.9 km |
| Peak Altitude | 617.8 km |
Launched alongside
TWILIGHT A TWILIGHT B TWILIGHT C TWILIGHT D TWILIGHT E TWILIGHT F TWILIGHT G TWILIGHT H TWILIGHT J TWILIGHT K TWILIGHT L TWILIGHT M TWILIGHT N TWILIGHT P TWILIGHT Q TWILIGHT R TWILIGHT S TWILIGHT T TWILIGHT V TWILIGHT W TWILIGHT X TWILIGHT Y TWILIGHT Z TWILIGHT AA TWILIGHT AB TWILIGHT AC CONNECTA IOT-16 FLAMINGO-1 TWILIGHT AF TWILIGHT AG TWILIGHT AH TWILIGHT AJ TWILIGHT AK CARBSAR TWILIGHT AM TWILIGHT AN CONNECTA IOT-13 CONNECTA IOT-14 CONNECTA IOT-15Orbital History
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