The phrase "apogee about" is grammatically correct and can be used in written English.
It is typically used to describe a point or time that represents the highest or most successful aspect of something. Example: "The team's performance reached its apogee about a year ago, when they won the championship."
The Mayan civilization had reached its apogee about 750 and had disappeared by 900.
The major architectural construction in ancient America was evolving at this time and reached its apogee about ad 600.
He views the little painting as a decisive step in the evolution of Duccio's style, which reached its apogee about eight years later in the "Maestà" altarpiece.
There's a good web article at Apogee about how multi-stage rockets work, and there's a bibliography there with more information.
Sounding rocket missions based on VSB 30 motors, that are used in the TEXUS program, allow for a 16 min ballistic flight reaching an apogee of about 250 km after 4.2 min ascent, followed by about 6 min of μg time [17].
The difference between perigee and apogee is about 25,000 miles, which is about 10% of the average distance between the Earth and the Moon.
Its current perigee and apogee are about 635 and 835 km, respectively, and its orbital period is about 99.5 min. Ørsted has been providing only scalar field measurements since 2005 due to a star camera failure.
The moon is on average 384,400km away from Earth, but at its apogee it is about 405,500km away.
As the group reconvened, we knew we were going to have to turn each of our individual analyses in to a story about Apogee.
And then I ask him about the apogee of his book, his definitive walking experience, when he talks about how, in the mountains of the Cévennes, his favourite spot, in a period of fine weather, he simply abandoned his rucksack.
At its apogee, the skylight is about 160 feet above the floor of the Oculus.
