ESSA-4

ESSA-4 (or TOS-B) was a spin-stabilized operational meteorological satellite. Its name was derived from that of its oversight agency, the Environmental Science Services Administration (ESSA).

Launch of ESSA-4.

Launch

ESSA-4 was launched on January 26, 1967 at 17:31 UTC. It was launched atop a Delta rocket from Vandenberg Air Force Base, California, U.S.. The spacecraft had a mass of 285 kilograms (628 lb) at the time of launch. ESSA-4 had an inclination of 102°, and an orbited the earth once every 113.4 minutes. Its perigee was 1,328 kilometers (825 mi) and its apogee was 1,443 kilometers (897 mi).

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References

This article incorporates public domain material from the National Aeronautics and Space Administration document: "ESSA 4". Retrieved June 4, 2018.

TIROS satellites
TIROS	TIROS-1 TIROS-2 TIROS-3 TIROS-4 TIROS-5 TIROS-6 TIROS-7 TIROS-8 TIROS-9 TIROS-10
TOS	ESSA-1 ESSA-2 ESSA-3 ESSA-4 ESSA-5 ESSA-6 ESSA-7 ESSA-8 ESSA-9
ITOS	TIROS-M NOAA-1 ITOS-B NOAA-2 NOAA-3 NOAA-4 NOAA-5 ITOS-E
TIROS-N	TIROS-N NOAA-6 NOAA-B NOAA-7
Adv. TIROS-N	NOAA-8 NOAA-9 NOAA-10 NOAA-11 NOAA-12 NOAA-13 NOAA-14 NOAA-15 NOAA-16 NOAA-17 NOAA-18 NOAA-19

← 1966 · Orbital launches in 1967 · 1968 →

Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in brackets.

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