Skynet 4-23-22 “Unexpected Temperature Changes on Neptune” & Constellation “Centaurus, the Centaur” 9PM CT

Saturday’s DARC SkyNet is at 9PM CT.

Discussion Topic of the Evening.

Unexpected Temperature Changes on Neptune:

Article: 

https://solarsystem.nasa.gov/news/2219/new-study-finds-unexpected-temperature-changes-on-neptune/

Voyager 2 Photo of Neptune

https://solarsystem.nasa.gov/system/news_items/main_images/2219_Neptune_PIA00046-1280×900.jpg

Thermal Images of Neptune

https://bgr.com/wp-content/uploads/2022/04/neptune-readings.jpg

Neptune Scattergram, Temperature Fluctuations

https://www.sciencealert.com/images/2022-04/NeptuneRadiationDiagram.jpg

BGR: “New Mystery on Neptune”

Waz Up
Space Exploration and Space History 

Astronaut Birthdays

April 20, 1955: Don Pettit (Expedition 6, STS-126, Expedition 30/31)

Miss Carolyn’s Constellation of the Week

Centaurus, the Centaur

Space Launches For This Week

Tom KE5ICX 

Space Coast Launches

Space Flight Now Launch Schedule

April 26/27

Long March 11H • Jilin 1 Gaofen 03D & Jilin 1 Gaofen 04A

Launch time: Approx. 0330 GMT on 27th (11:30 p.m. EDT on 26th)

Launch site: Ocean Platform

A Chinese Long March 11H rocket will launch from an ocean-going platform off the Chinese coast with seven small Jilin 1 Earth observation satellites for Chang Guang Satellite Technology Co. Ltd. Six of the satellites are part of the Jilin 1 Gaofen 03D high-resolution imaging constellation, and the other payload is a Jilin 1 Gaofen 04A video imaging satellite. [April 22]

April 27

Angara 1.2 • MKA-R

Launch time: TBD

Launch site: Plesetsk Cosmodrome, Russia

A Russian government Angara 1.2 rocket will launch the small MKA-R spacecraft. This will be the first orbital launch attempt for the Angara 1.2 rocket. [April 20]

April 27/28

Electron • “There And Back Again”

Launch window: 2235-0040 GMT on 27th/28th (6:35-8:40 p.m. EDT on 27th)

Launch site: Launch Complex 1A, Mahia Peninsula, New Zealand

A Rocket Lab Electron rocket will launch 34 small satellites from commercial operators Alba Orbital, Astrix Astronautics, Aurora Propulsion Technologies, E-Space, Unseenlabs, and Swarm Technologies. Rocket Lab will attempt to catch the Electron’s first stage booster with a helicopter for the first time. Rocket Lab has nicknamed the mission “There And Back Again.” Delayed from April 22. Delayed from April 23 by bad weather in rocket recovery area. [April 22]

April 29

Falcon 9 • Starlink 4-16

Launch time: TBD

Launch site: SLC-40, Cape Canaveral Space Force Station, Florida

A SpaceX Falcon 9 rocket will launch with another batch of Starlink internet satellites. The Falcon 9’s first stage booster will land on a drone ship in the Atlantic Ocean. [April 22]

May 19

Atlas 5 • CST-100 Starliner Orbital Flight Test 2

Launch time: 2254:36 GMT (6:54:36 p.m. EDT)

Launch site: SLC-41, Cape Canaveral Air Force Station, Florida

A United Launch Alliance Atlas 5 rocket, designated AV-082, will launch Boeing’s CST-100 Starliner spacecraft on second unpiloted test flight to the International Space Station. This mission was added after Boeing’s decision to refly the Starliner’s Orbital Flight Test before proceeding with the Crew Flight Test. The rocket will fly in a vehicle configuration with two solid rocket boosters and a dual-engine Centaur upper stage. Delayed from 3rd Quarter. Delayed from Jan. 4. Moved forward from March 29, April 2, and May. Delayed from July 30 and Aug. 3. Delayed from late 2021. [April 20]

May

SSLV • Demonstration Launch

Launch time: TBD

Launch site: Satish Dhawan Space Center, Sriharikota, India

India’s Small Satellite Launch Vehicle (SSLV) will launch on its first orbital test flight. Consisting of three solid-fueled stages and a liquid-fueled upper stage, the SSLV is a new Indian launch vehicle designed to carry small satellites into low Earth orbit. Delayed from September and December 2019. Delayed from January and December 2020. Delayed from April 2021. [March 25]

May

Falcon 9 • Starlink 4-18

Launch time: TBD

Launch site: SLC-40, Cape Canaveral Space Force Station, Florida

A SpaceX Falcon 9 rocket will launch with another batch of Starlink internet satellites. The Falcon 9’s first stage booster will land on a drone ship in the Atlantic Ocean. [April 20]

TBD

Starship • Orbital Test Flight

Launch time: TBD

Launch site: Starbase, Boca Chica Beach, Texas

A SpaceX Super Heavy and Starship launch vehicle will launch on its first orbital test flight. The mission will attempt to travel around the world for nearly one full orbit, resulting in a re-entry and splashdown of the Starship near Hawaii. Delayed from early 2022. [March 9]

TBD

SSLV • BlackSky Global

Launch time: TBD

Launch site: Satish Dhawan Space Center, Sriharikota, India

India’s Small Satellite Launch Vehicle (SSLV) will launch on its first commercial mission with four Earth observation satellites for BlackSky Global, a Seattle-based company. The rideshare mission for BlackSky is being arranged by Spaceflight. Delayed from November, late 2019 and early 2020. Delayed from early 2021 and July. [March 31]

Check-ins or comments

At this point we should be reaching our 90 minute cut-off point, so NCS can decide whether to cut any of these topics due to lack of time.

Recent Astronomical Discoveries 
Visible satellite passages over the next couple of days. 

All times are “local” (Dallas) time.

ISS

https://www.heavens-above.com/PassSummary.aspx?satid=25544&lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST

Apr 25

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=25544&mjd=59694.4458078939&type=V

Tiangong

https://www.heavens-above.com/PassSummary.aspx?satid=48274&lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST

Apr 29

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=48274&mjd=59698.4405940446&type=V

Apr 30

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=48274&mjd=59699.4667526314&type=V

May 1

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=48274&mjd=59700.4256384593&type=V

Envisat

https://www.heavens-above.com/PassSummary.aspx?satid=27386&lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST

Apr 25

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=27386&mjd=59694.4546991627&type=V

Apr 27

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=27386&mjd=59696.4721824308&type=V

Apr 28

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=27386&mjd=59697.4465572694&type=V

Apr 30

https://www.heavens-above.com/passdetails.aspx?lat=33.0462&lng=-96.9942&loc=Lewisville&alt=0&tz=CST&satid=27386&mjd=59699.4640648058&type=V