STS-51-A
STS-51-A was the fourteenth flight of the Space Shuttle program and second flight for the Space Shuttle Discovery. The mission lasted 8 days and deployed a number of 10 satellites.
The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS). Five complete Space Shuttle orbiter vehicles were built and flown on a total of 135 missions from 1981 to 2011.
Objects from this launch
6 objects
SATCAT inventory for 1984-113
Last checked: 2026-03-17T12:11:00.954+00:00
Last success: 2026-03-17T12:11:00.954+00:00
Last non-empty: 2026-03-17T12:11:00.954+00:00
Latest snapshot: 2026-03-17T12:11:00.954+00:00
Snapshot hash: f1f1c8550813abbcbb59a45ec3487f987cce73cb9ea3cb3017a9c3797d5d7b87
LL2 payloads: 0SATCAT payloads: 3Delta: +3RB: 2DEB: 1UNK: 0
Open SATCAT inventory
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SATCAT payload objects
STS 51A
1984-113ANORAD 15382PAYUnited States (US)Ops: D Technical details
Orbit type: LANOrbit center: EALaunch site: AFETRPeriod: 91.77 min
Inc: 28.5°
353 km → 370 km
ARABSAT-1D (ANIK D2)
1984-113BNORAD 15383PAYABOps: - Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 1455.91 minRCS: 6.274 m²
Inc: 13.7°
36059 km → 36288 km
LEASAT 1
1984-113CNORAD 15384PAYUnited States (US)Ops: - Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 1461.30 minRCS: 16.011 m²
Inc: 11.5°
36139 km → 36418 km
SATCAT non-payload objects
LEASAT 1 DEB
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 173.53 minRCS: 0.168 m²
Inc: 26.6°
331 km → 7524 km
ANIK D2 R/B [PAM-D]
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 571.56 minRCS: 2.604 m²
Inc: 25.6°
390 km → 32481 km
LEASAT 1 PKM
Technical details
Orbit type: ORBOrbit center: EALaunch site: AFETRPeriod: 170.30 minRCS: 3.767 m²
Inc: 27.1°
212 km → 7386 km