Home›Maneuver Tracker›Close Approaches›OBJECT C ⟷ FENGYUN 1C DEB
MediumProximity
ChinaOBJECT CNORAD 100782 · launched Sep 2026Payload
9.04kmPredicted miss distance
ChinaFENGYUN 1C DEBNORAD 30290 · launched May 1999Debris
WithdrawnNewer orbit data from 3 Nov 19:10 UTC no longer shows this pass. Within 40 minutes of the predicted time the two stay at least 18.9 km apart.
Closest approach4 Nov 202616:54 UTC
Relative speed13.72 km/sat the closest approach
Altitude556 kmlow Earth orbit
Last confirmed4 Nov09:24 UTC · withdrawn
Track OBJECT CTrack FENGYUN 1C DEBAll approaches
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CN OBJECT C and CN FENGYUN 1C DEB were predicted to reach a closest approach of 9.04 km at 2026-11-04 16:54 UTC, at a relative speed of 13.72 km/s. Withdrawn: newer orbit data from 3 Nov 19:10 UTC no longer shows this pass. Within 40 minutes of the predicted time the two stay at least 18.9 km apart. The figure above is the forecast as it was published; the newer check is shown beside it, and nothing is overwritten. 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
OBJECT CPayload
NORAD 100782
CountryPRC
Launched2026-09-20
OrbitLEO · 522 × 546 km
COSPAR2026-220C
Maneuver capableUnknown
Profile →Globe →
FENGYUN 1C DEBDebris
NORAD 30290
CountryPRC
Launched1999-05-10
OrbitLEO · 552 × 559 km
COSPAR1999-025ZB
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 · 556 KMISS 420Starlink 550

At 556 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 · OBJECT C ⟷ FENGYUN 1C DEB
2026-11-04 16:549.04 km Withdrawn13.72 km/s556 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
4 Nov 09:33 UTC18.91 km Withdrawn4 Nov 16:54 UTC3 Nov 19:10 UTCRe-check
4 Nov 05:24 UTC9.04 km Forecast4 Nov 16:54 UTC3 Nov 08:27 UTCRe-check
4 Nov 05:04 UTC9.38 km Forecast4 Nov 16:54 UTC3 Nov 08:27 UTCScreen

These Objects Elsewhere

Other screened approaches · 7 days
2.90 km11-03 21:24 UTC
YAOGAN-30 XFENGYUN 1C DEB
8.98 km11-02 18:41 UTC
COSMOS 2614OBJECT C
9.65 km11-04 13:36 UTC
OBJECT COBJECT F

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 →