In orbitDebris

THOR ABLESTAR DEB

NORAD: 561
COSPAR: 1961-015GT

OrbitalWiki publishes live orbits for active satellites only. This object is in the full catalogue: who launched it, what it is and its last published orbit are below, but there are no current orbital elements for it here.

Spacecraft

Owner: US Air Force Space Systems Division

From GCAT by Jonathan McDowell (CC BY 4.0), record S00561, checked 2026-11-05. About this source

Launch

Launch date: 1961-06-29
Rocket: Thor Ablestar
Flight: Transit 4A/GRAB
Mission name: Transit 4A
Launch site: CC, LC17B
Launched by: US Air Force Space Systems Division
Rocket performance: Success
Launch designator: 1961 OMI

From the GCAT launch log, launch 1961 OMI, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: US
Launch date: 1961-06-29
Period: 116.0 min
Inclination: 67.76°
Apogee: 1,996 km
Perigee: 1,004 km
Radar cross-section: 0.1011 m²

From CelesTrak SATCAT, checked 2026-11-05. About this source

Where it came from

Parent object: THOR ABLESTAR R/B (NORAD 118)

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris316 in total, 181 still in orbit
Payload2 in total, 2 still in orbit
Rocket body1 in total, 1 still in orbit