CJ-4459 · IRIDIUM 33 DEB
OG-1 Meridian-1 vs NORAD 33759 — debris
Probability of collision5.0×10−5
Time to closest approachT−52:12:00
Decision window1d 20h
Miss distance1.710km
Statecautionfalling
Screening campaign
9 CDMs · ±1σ band
Encounter geometry
Radial0.502km
In-track1.600km
Cross-track0.334km
Relative velocity12.07km/s
Record
- Primary
- OG-1 Meridian-1
- Secondary
- 33759
- Screening source
- 18 SDS · Space-Track
- Last CDM
- 46m ago
- CDMs received
- 9
- TCA (UTC)
- 2026-08-03 18:44:00Z
- Decision deadline
- 2026-08-03 10:32:00Z
- Secondary RCS
- 0.058 m²
- Current ±1σ
- 0.88 decades
Maneuver planner
3 downstream
Proposed burnOG-1 · Meridian-1
Delta-v0.12m/s
Propellant0.018kg
Axisradial
Burn duration16s
- Execute
- 2026-08-03 07:32:00Z
- Upload pass
- Fairbanks (KSAT) · T−40:06:00
Effect on CJ-4459
Pc now5.0×10−5
Pc after1.3×10−7
Miss now1.710km
Miss after5.440km
Station-keeping budget2.1 yr runway
6.122 kg after burnreserve 2.2 · capacity 12.4 kg
Downstream conjunctions3 affected
- IRIDIUM 33 DEBresolvedCJ-4459 · T+52.2h6.4×10−51.3×10−7
- THORAD AGENA D DEBcreatedCJ-4496 · T+70.2h—2.4×10−6
- COSMOS 2251 DEBcreatedCJ-4497 · T+66.8h—8.1×10−7
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