ESSA 4

Overview

Destination: Sun-Synchronous Orbit
Mission: Earth Science

Sun-Synchronous Orbit Space Launch Complex 2E Vandenberg SFB, CA, USA

The ESSA series was the second generation of US meterological satellites after the TIROS (Television & Infra-Red Observation Satellite) series. They were also called OT (Operational TIROS), TOS (TIROS Operational Satellite).

Thor Delta E

Family: Thor
Configuration: Delta E

American orbital launch vehicle family with Thor first stage and a delta second stage.

Specifications
  • Stages
    3
  • Length
    31.0 m
  • Diameter
    2.44 m
  • Fairing Diameter
    2.44 m
  • Launch Mass
    69 T
  • Thrust
    1452 kN
Family
  • Name
    Thor Delta E
  • Family
    Thor
  • Variant
    Delta E
  • Alias
  • Full Name
    Thor Delta E
Payload Capacity
  • Launch Cost
    $13930000
  • Low Earth Orbit
    540 kg
  • Geostationary Transfer Orbit
    150 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity

McDonnell Douglas

McDonnell Douglas

(MDC)

Successes: 0 Failures: 0 Pending: 0

Agency Type: Commercial

WIKI

Vandenberg SFB, CA, USA

Space Launch Complex 2E


Falcon 9
Success
23 hours, 25 minutes ago
Starlink Group 4-29
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 52 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
1 day, 6 hours ago
Crew-5
Launch Complex 39A - Kennedy Space Center, FL, USA

SpaceX Crew-5 is the fifth crewed operational flight of a Crew Dragon spacecraft to the International Space Station as part of NASA's Commercial Crew…


Atlas V 531
Success
2 days, 1 hour ago
SES-20 & SES-21
Space Launch Complex 41 - Cape Canaveral, FL, USA

SES-20 & SES-21 are a pair of C-band communication satellites built by Boeing, using the highly efficient all-electric propulsion BSS-702SP satellite…


Firefly Alpha
Success
5 days, 15 hours ago
FLTA002 (To The Black)
Space Launch Complex 2W - Vandenberg SFB, CA, USA

Second test flight of the Firefly Alpha small sat launcher developed by Firefly Aerospace.


Long March 6
Success
1 week, 2 days ago
Shiyan 16 A/B & Shiyan 17
Launch Complex 16 - Taiyuan, People's Republic of China

3 Chinese classified satellites


Long March 2D
Success
1 week, 3 days ago
Yaogan 36
Launch Complex 3 ( LC-3 ) ( LA-1 ) - Xichang Satellite Launch Center, People's Republic of China

3 Chinese military reconnaissance satellites.


Falcon 9
Success
1 week, 4 days ago
Starlink Group 4-35
Space Launch Complex 40 - Cape Canaveral, FL, USA

A batch of 52 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Kuaizhou
Success
1 week, 4 days ago
Shiyan 14 & Shiyan 15
Unknown Pad - Taiyuan, People's Republic of China

2 Chinese classified satellites.


Delta IV Heavy
Success
1 week, 5 days ago
NROL-91
Space Launch Complex 6 - Vandenberg SFB, CA, USA

Classified payload for the US National Reconnaissance Office (NRO).


Soyuz 2.1a
Success
2 weeks, 1 day ago
Soyuz MS-22
31/6 - Baikonur Cosmodrome, Republic of Kazakhstan

Soyuz MS-22 will carry Roscosmos cosmonauts Sergei Prokopeyev, Dmitry Petelin and NASA astronaut Frank Rubio to the International Space Station aboar…