Saturday, 13 June 2020

A French M51 SLBM test with a 6000 km range on June 12

›
click image to enlarge On the morning of June 12 , 2020, the French Navy test launched an unarmed M51 SLBM from the Triomphant -class ...
Thursday, 11 June 2020

SkyTrack: a simple tool to calculate satellite positions and visuallize satellite trajectories in Google Earth

›
Over the past years I have written a number of simple software tools to ease some of my data analysis. Some of these I have released in...
7 comments:
Wednesday, 3 June 2020

Introducing a new web resource: Launchtower

›
Before new launches, I frequently publish orbital element ( TLE ) estimates that can help satellite observers plan observations of the paylo...
1 comment:
Sunday, 31 May 2020

Imaging a pass of the Crew Dragon Demo-2, and a close fly-by of the Crew Dragon by USA 245! [UPDATED]

›
click photograph to enlarge Yesterday May 30 at 19:22 UT finally saw the launch of the SpaceX Crew Dragon Demo-2 with astronauts Hurle...
1 comment:
Saturday, 30 May 2020

New attempt to launch the Crew Dragon on May 30: trajectory

›
screenshot from the May 27 live webcast In an earlier pos t I discussed the SpaceX Crew Dragon Demo-2 launch. Originally slated for 2...
7 comments:
Tuesday, 26 May 2020

Imaging some splendid passes of HTV-9 (Kounotori-9) and Cygnus NG-13

›
It are very busy times at the International Space Station . Spaceships come and go. First, on May 11, the US cargoship Cygnus NG-13...
Sunday, 24 May 2020

The trajectory of the upcoming Crew Dragon Demo-2 launch, returning the US to crewed spaceflight

›
Photo: SpaceX UPDATE : the Crew Dragon launch has been postponed to NET 30 May, 19:22 UT Below is the original text and maps, whi...
12 comments: