OrbitGuard
14:32:00UTC

MNV-0909 · CZ-4C R/B

OG-5 Halcyon — in-track burn, executed

Delta-v0.28m/s
Propellant0.044kg
Axisin-track
Executed14h 11m ago
Statusexecuted

Burn performed. Post-burn state vector confirmed by tracking.

Effect on the event

Pc before2.9×10−4
Pc after6.1×10−8
Conjunction
CJ-4442 (cleared)
Spacecraft
OG-5 Halcyon
Secondary
CZ-4C R/B
Operator
R. Okafor

Propellant cost

This burn0.044kg
Remaining9.88kg
SK runway7.0yr
9.880 kg after burnreserve 2.2 · capacity 12.4 kg

Already drawn down — the remaining figure above is post-burn.

Orbit response

Gauss variational · Clohessy–Wiltshire
Δ semi-major axis528.8m
Δ period0.664s
Δ eccentricity7.5e-5
Drift per orbit4.983km
Along-track at TCA (0.0h lead)0.00km

An in-track burn separates by changing the orbital period, so displacement grows as Δx = 3·Δv·t. Lead time, not delta-v, is what buys miss distance — the same burn an hour later is worth proportionally less.

Propulsion

Tsiolkovsky
Specific impulse220s
Thrust2.400N
Vehicle mass337.5kg
Propellant0.0438kg
Burn duration39s
Mass fraction1.3e-4
System
Hydrazine monopropellant, 4x0.6N
Δv capability remaining
49.7 m/s
Avoidance burns of this size left
175

Burn is short relative to the orbital period, so the impulsive approximation used above holds.

Downstream conjunctions

not modelled

No downstream screening on file for this burn. Historical burns retain their record but not the re-screening that followed.