Another record-setting launch day worldwide

In what might be a record for the global launch industry, yesterday saw a total of four launches at four different spaceports worldwide.

That record might very well be matched today. Already three launches have already taken place, with one more scheduled.

First, India’s space agency ISRO successfully launched European Space Agency’s PROBA-XL solar telescope, its PSLV rocket lifting off from its Sriharikota spaceport on India’s eastern coast. This was India’s fourth launch in 2024.

Next, China launched what its state-run press merely described as a “group of satellites,” its Long March 6 rocket taking off from its Taiyuan spaceport in northern China. That state-run press also said nothing about where the rocket’s lower stages and four strap-on boosters crashed inside China. (UPDATE: More information about the payload can be found here. It appears to have been the third set of 18 satellites launched as part of China’s attempt to compete with Starlink.)

Then, SpaceX launched SXM-9, a new satellite for the constellation of the radio company Siruis-XM, its Falcon 9 lifting off from Kennedy in Florida. The first stage completed its nineteenth flight, landing on a drone ship in the Atlantic. As of posting the satellite had not yet been deployed.

If all goes as planned, the fourth flight today will be the first launch in more than two years of Avio’s Vega-C rocket, which has been grounded while the company redesigned and then redesigned again the engine nozzle of its upper stage. The launch is also one of the last that will be managed by Arianespace, which is giving up control to Avio over the next year. The live stream is here.

If successful, it will be the eighth launch worldwide in only two days, something that I am fairly certain has never been done before. In the past there simply weren’t enough independent entities and spaceports available to allow this number of launches in such a short period of time. What makes this record even more striking is that three of the eight launches were launched by one private American company, SpaceX.

The leaders in the 2024 launch race:

127 SpaceX
59 China
16 Russia
13 Rocket Lab

American private enterprise still leads the rest of the world combined in successful launches 146 to 89, while SpaceX by itself leads the entire world, including American companies, 127 to 108.

Asteroid to eclipse Sirius, the sky’s brightest star, on February 18

On February 18, 2019 a four-mile wide asteroid is going to pass in front of Sirius, the sky’s brightest star, and block its light for just under two seconds.

Can a 7-kilometer-wide asteroid make Sirius disappear? You bet it can. That just might happen on Monday night, February 18th. That evening around 10:30 p.m. MST (5:30 UT February 19th), there’s a good probability that the 17th-magnitude 4388 Jürgenstock will occult the sky’s brightest star for up to 1.8 seconds. Visibility stretches along a narrow path from the southern tip of Baja California to the Las Cruces–El Paso region, up through the Great Plains, and north to the Winnipeg area. While only a limited number of people may see this event, anytime Sirius disappears, however briefly, it’s news!

In the U.S. the narrow path cuts through New Mexico, Colorado, Nebraska, South Dakota, and North Dakota. If you live in or near this path, this is definitely worth watching, especially since it will be happening at a convenient hour in the evening.