Home›Maneuver Tracker›Close Approaches›ET-001B ⟷ PSLV DEB
HighProximity
United StatesET-001BNORAD 69941 · launched Jul 2026Payload
3.15kmPredicted miss distance
IndiaPSLV DEBNORAD 27585 · launched Oct 2001Debris
Final forecastFinal forecast, made minutes before the pass.
Closest approach22 Oct 202612:33 UTC
Relative speed14.04 km/sat the closest approach
Altitude596 kmlow Earth orbit
Last confirmed22 Oct12:30 UTC · final forecast
Track ET-001BTrack PSLV DEBAll approaches
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US ET-001B and IN PSLV DEB were predicted to reach a closest approach of 3.15 km at 2026-10-22 12:33 UTC, at a relative speed of 14.04 km/s. Final forecast, made minutes before the pass. 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 mattersOne side of this pass cannot maneuver, so any avoidance decision rests with the other operator. Screening continues as new element sets arrive.

The Two Objects

Dossiers from the satellite directory
ET-001BPayload
NORAD 69941
CountryUS
Launched2026-07-07
OrbitLEO · 583 × 594 km
COSPAR2026-156CA
Maneuver capableUnknown
Profile →Globe →
PSLV DEBDebris
NORAD 27585
CountryIND
Launched2001-10-22
OrbitLEO · 572 × 641 km
COSPAR2001-049ND
Maneuver capableNo
Uncontrolled debris fragment tracked by the public catalogue. About space debris →
Profile →Globe →

Where This Happens

Altitude context
DEBRIS BELT 700–1000 KM2006001,0001,5002,000 kmTHIS PASS · 596 KMISS 420Starlink 550

At 596 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 · ET-001B ⟷ PSLV DEB
2026-10-22 12:333.15 km Final forecast14.04 km/s596 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 Nothing is overwritten: a withdrawn forecast keeps its figure, with the newer check beside it, and the best estimate after the pass is a row of its own.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
22 Oct 11:50 UTC3.15 km Forecast22 Oct 12:33 UTC22 Oct 05:00 UTCRe-check
21 Oct 20:04 UTC3.08 km Forecast22 Oct 12:33 UTC21 Oct 03:16 UTCRe-check
21 Oct 19:45 UTC4.32 km Forecast22 Oct 12:33 UTC21 Oct 03:16 UTCScreen

These Objects Elsewhere

Other screened approaches · 7 days
1.39 km10-20 00:19 UTC
ET-001BPERSEUS M1
1.92 km10-20 15:43 UTC
ET-001BIRIDE-MS2-HEO-5
3.84 km10-23 23:06 UTC
ET-001BCZ-4B DEB

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 →

Cite this encounter: Orbital Radar — “ET-001B ⟷ PSLV DEB: 3.15 km predicted close approach”, https://orbitalradar.com/conjunction/27585-69941 (accessed 2026-10-23).