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Preparing the latest launch data.

T-Minus Zero

Primary launch schedule data: The Space Devs - Launch Library 2

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CALSPHERE 4A (NORAD 1520) | T-Minus Zero

Satellite

CALSPHERE 4A

1965-065HNORAD 1520United States (US)Ops: +

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Catalog

OwnerUnited States (US)

Object typePAY

Launch siteAFWTR

Launch designator1965-065

Period107.76 min

Inclination89.90°

Altitude1,070 km → 1,176 km

RCS0.052 m²

SATCAT updated2026-06-06T06:11:10.797+00:00

Groups

activeradar

Orbit (latest)

Epoch2026-06-10T04:14:51.438336+00:00

Inclination89.8979°

RAAN122.5569°

Eccentricity0.0071571

Mean motion13.362771 rev/day

Sourcegp

Fetched2026-06-10T08:46:17.769+00:00