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SatelliteIndex

Rocket body · NORAD 2255 · COSPAR 1966-056B

THOR AGENA D R/B

InactiveRocket bodyMEORocket body derived

Altitude now

—

no element set

Velocity

—

Inclination

86.98°

Period

3.0 h

181.2 min

Perigee

4,178km

Apogee

4,279km

orbit unavailableNo orbital element set on file.· Metadata updated 12 h ago

Live position

Live position

Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).

Mission

Mission & classification

Mission type derived
Rocket body
Object type
Rocket body
Radar cross-section
6.6 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • THOR AGENA D R/BCelestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
24 Jun 1966
COSPAR launch id
1966-056
Launch site
Vandenberg Space Force Base (Western Range), California

Objects from the same launch · 40+

All objects from launch 1966-056 →

Change log

History

No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.

Regulatory

UN registration

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.

Field provenance

No field-level provenance recorded.

Timeline

Events

All events →

No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.

Reference

Identifiers

NORAD catalogue number
2255
COSPAR / international designator
1966-056B
SatelliteIndex id
sat_01M28X3JJM45SB8SRMRGGWBGME
Canonical slug
thor-agena-d-r-b-2255

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Rocket body) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.

THOR AGENA D R/B — Live Orbit, NORAD 2255 | SatelliteIndex