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Posts by s2a systems

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This morning’s Artemis II: Integrity on its way back home Crossing the field of view slowly from left to right. Time-lapse covering the period from 07:30:00 to 07:59:58 UTC on 2026-04-10. Further observations from our sites will no longer be possible due to the orbit.

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And for those who don't enjoy searching, here is Integrity's position at the start of the animation.

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This morning’s Artemis II: Integrity on its way back home, at the edge of the Milky Way. Crossing the field of view from bottom left to top right. Time-lapse covering the period from 06:25:39 to 07:25:36 UTC on 2026-04-09. Second-to-last day of the mission.

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And now for something completely different: a short time-lapse of Starlink G17-35 passing over Switzerland on 2026-04-07, from 19:17:38 to 19:18:31.

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Today’s Artemis II: Integrity on its way back home. Time-lapse covering the period from 06:45:04 to 07:45:00 UTC on 2026-04-08.

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Today’s Artemis II: Integrity on its way back home. Crossing the field of view from the bottom center to the top. Time-lapse covering the period from 07:00:00 to 08:00:31 UTC on 2026-04-07.

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Today’s Artemis II: Integrity on its way to the Moon. Crossing the field of view from the bottom left to the top right. Time-lapse covering the period from 04:00:04 to 05:59:56 UTC on 2026-04-06.

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Today’s Artemis II: Integrity on its way to the Moon. Time-lapse covering the period from 07:20:05 to 08:24:46 UTC on 2026-04-05.

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Today’s Artemis II: Integrity on its way to the Moon. Time-lapse covering the period from 08:05:32 to 09:24:34 UTC on 2026-04-04.

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A cropped and zoomed-in animation of yesterday's ICPS after the CubeSats were deployed. Time-lapse covering the period from 04:26:31 to 05:35:42 UTC on 2026-04-02.

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Today’s Artemis II: Integrity on its way to the Moon. Time-lapse covering the period from 09:17:45 to 10:01:26 UTC on 2026-04-03.

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Artemis II: Orion and ICPS at high altitude over Australia on 2026-04-02, 19:34:51 UTC

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A snapshot taken at 04:22:24 UTC shows Orion and ICPS, as well as what appear to be the deployed international CubeSats

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And a closer look at Artemis II Orion and ICPS. The animation spans the period from 03:16:18 to 03:27:31 UTC.

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A first view on Artemis II from South America on 2026-04-02, 01:57:58 UTC

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STARLINK G10-44 low elevation pass over our South American site on 2026-03-31 10:06:39 UTC at 4.5 degrees elevation.

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A short clip of tumbling STARLINK-34343 (#64157), recorded from Switzerland on 2026-03-31 between 20:47:24 and 20:48:10 UTC.

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And the final recording in this series: Rassvet-3 01 at dusk over South America.

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And once again Rassvet-3 01, this time recorded from the Swiss station.

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Snapshot of the 16 Rassvet-3 01 satellites and two additional objects from today, 2026-03-24 09:43:12 UTC

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A 6.5-hour time-lapse sequence showing yesterday’s TJS-10/TJS-3 (centered) encounter, including the passage through Earth’s shadow near the equinox.

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SatNet LEO Group 20 and the Long March 8A (CZ-8A) upper stage from this morning over South America. The objects surrounding the upper stage are most likely remnants of the passivation process.

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A two hours light-curve from EXPRESS AT1 (Ekspress-AT1) #39612 recorded last night.

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and the corresponding light curve

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An unfavorable orbit and a lot of Saharan dust over Central Europe made observation difficult. Nevertheless, we were able to record about 90 minutes of today's PROBA-3 pass from Switzerland. PROBA-3 CSC shows currently a repeating rotation pattern of approximately 1150 seconds.

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Welcome back!

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The bright object at 06:14:15 is just a bright star in the background. There was no interaction with the satellite.

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and the corresponding light curve

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A short time lapse of the fragmentation event on LUCH (OLYMP) #40258 that took place today, 2026-01-30 from 06:09:03.486 UTC.

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LUCH (Olymp) has started to tumble in its graveyard orbit tonight. Additional objects around the satellite can also be visually detected. An analysis of our photometric data is currently in progress.

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