Re-entered 1966-11-17Rocket body

DELTA 1 R/B(1)

NORAD: 2259
COSPAR: 1966-058B

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.

Is it working?

Sources agree

Source	What it says	Date
CelesTrak SATCAT	Decayed or deorbited	1966-11-17
GCAT (J. McDowell)	Re-entered	1966-11-17

Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.

Spacecraft

Built by: Aerojet Engineering
Owner: NASA Goddard Space Flight Center
Platform (bus): Ablestar
Mass at launch: 785 kg
Dry mass: 785 kg
Length: 5.2 m
Diameter: 1.4 m
Span with arrays and booms: 5.2 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S02259, checked 2026-11-05. About this source

Launch

Launch date: 1966-07-01
Rocket: Thor Delta E1
Flight: Explorer 33
Mission name: AIMP D
Launch site: CC, LC17A
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1966-058

From the GCAT launch log, launch 1966-058, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1966-07-01
Re-entered: 1966-11-17
Period: 96.3 min
Inclination: 28.78°
Apogee: 989 km
Perigee: 177 km

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

Where it came from

Catalogued pieces that came from it: 3

Everything from this launch

Debris2 in total, 0 still in orbit
Payload1 in total, 1 still in orbit
Rocket body2 in total, 1 still in orbit