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HighProximity
RussiaRASSVET-3 29NORAD 100095 · launched Jul 2026Payload
3.53kmPredicted miss distance
GermanySKYBEE-A02NORAD 64544 · launched Jun 2025Payload
Final forecastFinal forecast, made 13 min before the pass.
After the passBest estimate, from the orbit data published nearest its time: 9.76 km at 5 Nov 03:05 UTC.
Closest approach5 Nov 202603:05 UTC
Relative speed7.00 km/sat the closest approach
Altitude497 kmlow Earth orbit
Last confirmed5 Nov02:51 UTC · final forecast
Track RASSVET-3 29Track SKYBEE-A02All approaches
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RU RASSVET-3 29 and DE SKYBEE-A02 were predicted to reach a closest approach of 3.53 km at 2026-11-05 03:05 UTC, at a relative speed of 7.00 km/s. Final forecast, made 13 min before the pass. Best estimate after the pass, from the orbit data published nearest its time: 9.76 km at 5 Nov 03:05 UTC. Miss distance and time of closest approach are computed by propagating the latest published orbital elements for both objects, and each pass is re-checked every 20 minutes as new element sets are published. See the Satellite Maneuver Tracker for the live picture and space situational awareness for context.

Why it mattersBoth objects are catalogued as payloads. Screening continues as new element sets arrive; operators act on their own conjunction data.

The Two Objects

Dossiers from the satellite directory
RASSVET-3 29Payload
NORAD 100095
CountryCIS
Launched2026-07-19
OrbitLEO · 506 × 512 km
COSPAR2026-165N
Maneuver capableUnknown
Profile →Globe →
SKYBEE-A02Payload
NORAD 64544
CountryGER
Launched2025-06-23
OrbitLEO · 502 × 505 km
COSPAR2025-135S
Maneuver capableUnknown
Profile →Globe →

Where This Happens

Altitude context
DEBRIS BELT 700–1000 KM2006001,0001,5002,000 kmTHIS PASS · 497 KMISS 420Starlink 550

At 497 km this pass sits in low Earth orbit. Objects here stay up for decades: there is too little atmospheric drag to clean the band naturally. Why crowded bands matter →

History Between This Pair

1 predicted pass under 10 km
Pair history · RASSVET-3 29 ⟷ SKYBEE-A02
2026-11-05 03:053.53 km Final forecast · after: 9.76 km7.00 km/s497 kmShown above

Repeat encounters are common for objects in near-intersecting orbital planes. Each pass is re-screened as fresh element sets arrive; "Final forecast" means the screening still predicted it within 45 minutes of its time, "Not re-confirmed" means later screening stopped finding it.

Forecast Record

Every figure published for the pass shown above, newest first. Nothing is overwritten: a withdrawn forecast keeps its figure, with the newer check beside it, and the best estimate after the pass is a row of its own.
Computed · figure · predicted time · orbit data · by
8 Nov 23:32 UTC9.76 km Best estimate5 Nov 03:05 UTC4 Nov 21:53 UTCBest estimate
4 Nov 21:11 UTC3.53 km Forecast5 Nov 03:05 UTC4 Nov 09:15 UTCRe-check
4 Nov 20:53 UTC5.49 km Forecast5 Nov 03:05 UTC4 Nov 09:15 UTCScreen

These Objects Elsewhere

Other screened approaches · 7 days
2.25 km11-12 06:45 UTC
OBJECT ARASSVET-3 29
2.80 km11-10 18:13 UTC
OTTER 24CRASSVET-3 29
2.97 km11-09 07:44 UTC
YAOGAN-39 05BSKYBEE-A02

How These Numbers Are Computed

Miss distance and TCA come from propagating the latest published orbital elements for both objects and searching for the minimum separation over the screening window. Element sets carry kilometre-scale uncertainty, so figures here describe a close pass, not a collision prediction; a change in either object's published elements re-computes the pass automatically. What is a conjunction? → How conjunction assessment works →