Sunday, 24 August 2025

X-37B OTV 8 and Limasat (the USSF-36 payloads) imaged

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  This morning (early 24 August 2025) weather finally cooperated and I managed to observe both of the USSF-36 payloads, two days after lau...
Saturday, 23 August 2025

X-37B Spaceplane mission OTV 8 located on orbit

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OTV 8 imaged by Kevin Fetter 5 hours after launch. Image (c) Kevin Fetter, used with permission OTV 8 , the 8th mission of the US Space Forc...
Monday, 18 August 2025

An upcoming Hypersonic Missile Test (repeat of FT-3) from Kodiak to Kwajalein [UPDATED]

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Click map to enlarge Navigational Warnings have been published that point to a Hypersonic Missile Test (a repeat of the failed FT-3 from ...
Sunday, 17 August 2025

The upcoming launch of the X-37B Spaceplane mission OTV 8

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X-37B mission OTV 6 after landing (Image: US Air Force) Navigational Warnings have appeared for OTV 8 , the 8th launch of the secretive  X-...
Wednesday, 6 August 2025

The SatTrackCam (B)log is 20 years old!

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  On  6 August 2005 , this blog saw its very first post . This means that the SatTrackCam blog is now 20 Years Old!     Since that first po...
Sunday, 29 June 2025

RPO Galore: the complex proximity operations of Kosmos 2581, Kosmos 2582, Kosmos 2583 and 'Object F'

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click image to enlarge Some 590 km above our heads, a complex series of multiple Rendezvous and Proximity Manoevers (RPO) by multiple Russi...

Kosmos 2558 released an object on orbit on June 26 [UPDATED]

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Object C (click image to enlarge)   Kosmos 2558  (2022-089A, cat nr. 53323) is a Russian military satellite that was launched from Plesetsk...
Monday, 9 June 2025

The reentry of the Chinese Zhuque-2E upper stage 2025-103G over Kazachstan on 5 June 2025

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still from one of the fireball movies posted on Twitter by  @Buggy__Bugler   In the evening of 5 June 2025 around 22h local time (17h UTC)...
Wednesday, 28 May 2025

Raiders of the Lost Venus Probe: a post-mortem of an interesting reentry and the confusion it left

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On 10 May 2025, an unusual object, the Kosmos 482 Descent Craft , had an uncontrolled reentry (see this earlier post ). With my TU Delft col...
Friday, 23 May 2025

Kosmos 2588 has been placed in the same orbital plane as the US spy satellite USA 338: another RPO?

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click image to enlarge   Russia launched a new military satellite from Plesetsk today (23 May 2025), Kosmos 2588 (cat nr. 64095, COSPAR 20...

The tumbling behaviour of the mysterious Kosmos 2553 satellite

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Framestack (530 frames) showing variable brightness of Kosmos 2553. Click image to enlarge Over three years ago, on 5 February 2022, Russia ...
Thursday, 24 April 2025

Kosmos 482 Descent Craft reentry forecasts [PERIODICALLY UPDATED]

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Click diagram to enlarge Last update: 11 May 2025 10:15 UTC    (this post is being periodically updated with new reentry forecasts/postcast...