American orbital launch vehicle family with Thor first stage and a delta second stage.
Specifications
- Thrust
- 1,450 kN
- Height
- 28 m
- Diameter
- 2.44 m
- Launch mass
- 68 t
- Stages
- 4
- Launch cost
- —
- LEO capacity
- 540 kg
- GTO capacity
- 150 kg
- GEO capacity
- —
- SSO capacity
- —
Vehicle specifications from Launch Library; blanks are unpublished figures.
Flight record
Flights
17
Launches with a definitive outcome
Success rate
94.1%
16 of 17
Current success streak
1
Landings
0
0 attempts · 0 droneship / 0 RTLS
Fastest turnaround
—
Between consecutive booster flights
Counted from padside's own launch record — the same basis as the Stats page.
Launches
- Thor Delta E1 | Isis 2 — Success
- Thor Delta E1 | IMP G — Failure
- Thor Delta E1 | ESSA 9 — Success
- Thor Delta E1 | Isis 1 — Success
- Thor Delta E1 | HEOS 1 — Success