Explorer 21

Overview

Destination: Elliptical Orbit
Mission: Astrophysics

Elliptical Orbit Space Launch Complex 17A Cape Canaveral, FL, USA

Explorer 21 (IMP 2) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.

Thor Delta C

Family: Thor
Configuration: Delta C

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

Specifications
  • Stages
    3
  • Length
    27.5 m
  • Diameter
    2.44 m
  • Fairing Diameter
    2.44 m
  • Launch Mass
    52 T
  • Thrust
    667 kN
Family
  • Name
    Thor Delta C
  • Family
    Thor
  • Variant
    Delta C
  • Alias
  • Full Name
    Thor Delta C
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
    81 kg
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity

McDonnell Douglas

McDonnell Douglas

(MDC)

Successes: 369 Failures: 37 Pending: 0

Agency Type: Commercial

WIKI

Cape Canaveral, FL, USA

Space Launch Complex 17A


Long March 3
Success
4 days, 10 hours ago
ChinaSat 1D
Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

The FH 2 (Feng Huo 2) series are reportedly the second generation of chinese military comsats and data relay satellites. They provide both C-band and…


Soyuz 2.1b/Fregat
Success
6 days, 2 hours ago
Kosmos 2552 (EKS 5/Tundra 5)
43/4 (43R) - Plesetsk Cosmodrome, Russian Federation

The Tundra or EKS (meaning Unified Space System) series of satellites is the next generation of Russian early warning satellites.


Kuaizhou
Success
6 days, 3 hours ago
Shiyan 11
Unknown Pad - Jiuquan, People's Republic of China

Unknown Chinese satellite reported for technology development purposes.


Soyuz 2.1b
Success
6 days, 14 hours ago
Uzlovoy Module (UM) "Prichal"
31/6 - Baikonur Cosmodrome, Republic of Kazakhstan

The UM (Uzlovoy Module) or NM (Node Module) is a node to be added to the Russian part of the ISS complex. It is also named Prichal. UM will be deliv…


Falcon 9
Success
6 days, 20 hours ago
Double Asteroid Redirection Test (DART)
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Double Asteroid Redirection Test (DART) mission is the first-ever mission to demonstrate the capability to deflect an asteroid by colliding a spacecr…


Long March 4C
Success
1 week, 1 day ago
Gaofen-3 02
Launch Area 4 (SLS-2 / 603) - Jiuquan, People's Republic of China

Gaofen (GF) is a series of Chinese civilian remote sensing satellites for the state-sponsored program China High-definition Earth Observation System …


Astra Rocket 3
Success
1 week, 3 days ago
STP-27AD2
Launch Pad 3B - Pacific Spaceport Complex, Alaska, USA

Space Force test payload contracted through the Defense Innovation Unit’s Other Transaction Agreement with Astra Space.


Long March 4B
Success
1 week, 4 days ago
Gaofen-11-03
Launch Complex 9 - Taiyuan, People's Republic of China

Gaofen is a series of civilian Earth observation satellites developed and launched for the China High-definition Earth Observation System (CHEOS), a …


Electron
Success
1 week, 6 days ago
Love At First Insight
Rocket Lab Launch Complex 1A - Onenui Station, Mahia Peninsula, New Zealand

Payload consists of two BlackSky Gen-2 high-resolution multi-spectral Earth observation satellites.


Vega
Success
2 weeks ago
CERES
Ariane Launch Area 1 - Kourou, French Guiana

CERES (CapacitÉ de Renseignement Électromagnétique Spatiale) is a space-based signal intelligence (SIGNIT) system consisting of three satellites cons…