CJ-4451 · UNCHARACTERIZED OBJECT
OG-5 Halcyon vs NORAD 99214 — unknown
Probability of collision3.3×10−5
Time to closest approachT−64:00:00
Decision window2d 8h
Miss distance0.960km
Statecautionrising
Screening campaign
3 CDMs · ±1σ band
Encounter geometry
Radial0.244km
In-track0.902km
Cross-track0.192km
Relative velocity8.72km/s
Record
- Primary
- OG-5 Halcyon
- Secondary
- 99214
- Screening source
- Slingshot Optical
- Last CDM
- 1h 14m ago
- CDMs received
- 3
- TCA (UTC)
- 2026-08-04 06:32:00Z
- Decision deadline
- 2026-08-03 22:32:00Z
- Secondary RCS
- uncharacterized
- Current ±1σ
- 1.30 decades
Maneuver planner
2 downstream
Proposed burnOG-5 · Halcyon
Delta-v0.22m/s
Propellant0.034kg
Axisin-track
Burn duration31s
- Execute
- 2026-08-03 21:32:00Z
- Upload pass
- Svalbard (SG-1) · T−54:18:00
Effect on CJ-4451
Pc now3.3×10−5
Pc after1.1×10−7
Miss now0.960km
Miss after4.310km
Station-keeping budget7.0 yr runway
9.846 kg after burnreserve 2.2 · capacity 12.4 kg
Downstream conjunctions2 affected
- UNCHARACTERIZED OBJECTresolvedCJ-4451 · T+64.0h3.3×10−51.1×10−7
- SL-8 R/B DEBcreatedCJ-4499 · T+69.4h—3.7×10−6
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