Twitter | Search | |
Cees Bassa
This evening I got my first view of , the satellite with a special coating to make it less bright in the night sky. The combined image below shows that is not much fainter than some of the other satellites... What is going on here? 1/n
Reply Retweet Like More
Cees Bassa Jan 16
Replying to @cgbassa
This image shows the maximum pixel value of 18 individual exposures of 10 seconds each, taken at 1 minute intervals. Each individual image exposure contains a satellite; they just happened to be separated in time by roughly a minute. Predicted positions are overlaid.
Reply Retweet Like
Cees Bassa Jan 16
Replying to @cgbassa
The exposures were taken between 17:28:25UTC to 17:45:25UTC from the Netherlands. satellite 44928 was first to appear, and each next satellite was slightly higher in elevation as the orbital plane rose in the sky with time. Elevation runs vertically in this image.
Reply Retweet Like
Cees Bassa Jan 16
Replying to @cgbassa
The satellites at higher elevation are also closer: 1519 km for the first (object 44928) to 1276 km for the last (44925). , which is supposed to be object 44932 was at a distance of 1478 km. Hence, the higher satellites are brighter because they are closer.
Reply Retweet Like
Cees Bassa Jan 16
Replying to @cgbassa
It appears was about as bright, maybe slightly fainter, than the other satellites at comparable distances (44915 and 44928). Assuming that the satellite orientation is the same for all satellites, is the coating not working?
Reply Retweet Like
Cees Bassa Jan 16
Replying to @cgbassa
Or could it be that is not object 44932 [Starlink-1130], but instead object 44927 [Starlink-1114]? This satellite is the only one of the 18 satellites that was not visible in these images?
Reply Retweet Like
Cees Bassa Jan 16
I'm using the orbital elements, but they, as well as the elements from 's , identify Starlink-1130 as object 44932; Starlink-1130 is supposed to be . Has that recently changed? Pinging , . . n/n
Reply Retweet Like
Locastan Jan 20
Replying to @cgbassa @SpaceX
I made a recording from southwest germany. I could only count 59 objects, No. 60 seems to be dark or missing. Would you be interested in the single frames of this for further analysis?
Reply Retweet Like
Cees Bassa Jan 20
Yes, I'd be interested to have a look.
Reply Retweet Like
Vlad Jan 17
Replying to @cgbassa @SpaceX
Thank you for capturing this! I hope you can repeat this once the orbits are raised and solar arrays get reoriented.
Reply Retweet Like
Cees Bassa Jan 17
Replying to @VovaBul @SpaceX
That's certainly my plan! Let's hope for good weather in the coming weeks.
Reply Retweet Like