April 19 in Space History
18 events
Kepler suggests a solar influence on comet tails
In a letter to Galileo, Kepler proposed that a solar breeze pushes comet tails away from the Sun.
- NASA — Solar science timeline (opens in a new tab) — Factual summary; source attribution retained.
AFP-206 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: AFP-206
Atlas SLV-3 Agena D launched on the AFP-206 flight from South Vandenberg AFB, California, pad PALC2-4. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Salyut — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Salyut
Proton-K launched on the Salyut flight from NIIP-5, Baykonur, Kazakstan, pad LC81/24. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
CORONA 144/1116 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: CORONA 144/1116
Thorad SLV-2H Agena D launched on the CORONA 144/1116 flight from South Vandenberg AFB, California, pad SLC3W. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Kosmos-554 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Kosmos-554
Voskhod 11A57 launched on the Kosmos-554 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC43/4. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
IK-Kopernik-500 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: IK-Kopernik-500
Kosmos 11K63 launched on the IK-Kopernik-500 flight from GTsP-4, Kapustin Yar, Volgograd, Rossiya, pad LC86/4. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Aryabhata — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Aryabhata
Kosmos 11K65M launched on the Aryabhata flight from GTsP-4, Kapustin Yar, Volgograd, Rossiya, pad LC107/2. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Salyut-7 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Salyut-7
Proton-K launched on the Salyut-7 flight from NIIP-5, Baykonur, Kazakstan, pad LC200/40. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Kosmos-1453 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Kosmos-1453
Kosmos 11K65M launched on the Kosmos-1453 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC132/2. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Kosmos-1549 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Kosmos-1549
Soyuz-U launched on the Kosmos-1549 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC16/2. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Kosmos-1647 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Kosmos-1647
Soyuz-U launched on the Kosmos-1647 flight from 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, pad LC41/1. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Galaxy 4R — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Galaxy 4R
Ariane 42L (42L-3) launched on the Galaxy 4R flight from Centre Spatial Guyanais, Kourou, Guyane Francaise, pad ELA2. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
ISS 6A — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: ISS 6A
Space Shuttle launched on the ISS 6A flight from NASA John F. Kennedy Space Center, Florida, pad LC39A. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Soyuz TMA-4 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Soyuz TMA-4
Soyuz-FG launched on the Soyuz TMA-4 flight from GIK-5, Baykonur, Kazakstan, pad LC1. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Bion-M No. 1 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Bion-M No. 1
Soyuz-2-1A launched on the Bion-M No. 1 flight from GIK-5, Baykonur, Kazakstan, pad LC31. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Ingenuity makes its first flight on Mars
Category: Spacecraft and Technology Development, type: Technology demonstration
Mission: Ingenuity
Ingenuity achieved powered, controlled flight in the atmosphere of another planet.
- NASA — Ingenuity first flight (opens in a new tab) — Factual summary; source attribution retained.
Starlink-81 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Starlink-81
Falcon 9 (FT5) launched on the Starlink-81 flight from Cape Canaveral Air Station, Florida, pad LC40. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)
Starlink-383 — launch
Category: Launches and Flight Tests, type: Orbital launch
Mission: Starlink-383
Falcon 9 (FT5) launched on the Starlink-383 flight from South Base, Vandenberg Space Force Base, California, pad SLC4E. Launch vehicle success.
- Jonathan McDowell — General Catalog of Artificial Space Objects (opens in a new tab) — Data from GCAT (J. McDowell, planet4589.org/space/gcat), CC BY 4.0. Adapted into anniversary records. (CC BY 4.0)