Astra 1D is a geostationary communications satellite launched in 1994 by the Société Européenne des Satellites (SES). As of August 2012, the craft remains in service for occasional use. Astra 1D was the fourth, and under original plans, last Astra communications satellite from SES.

3 days ago · Technical details about the ASTRA 1D (1994-070A or NORAD 23331) satellite. ASTRA 1D can be selected for live tracking or to see the passes visible from your location, if applicable.

Nov 1, 1994 · Astra 1D was a geostationary spacecraft of the European Space Society that was launched by an Ariane rocket from the Kourou Space Center in French Guiana. It was the last in a series of 4 medium power satellites, and acted primarily as Astra 1B and 1C's backup.

Apr 20, 2024 · On Astra 1C and 1D, the TWTAs provide 63 Watts each; Astra 1C ans 1D each carry 18 operating transponders and six spares. The satellites enable SES to provide analog and digital television programs together.

Sep 21, 2024 · Astra 1D is a geostationary communications satellite launched in 1994 by the Société Européenne des Satellites (SES). As of August 2012, the craft remains in se...

General information for Astra 1D; Launch/Orbital information for Astra 1D; Experiments on Astra 1D; Data collections from Astra 1D; Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

HS-601 platform. 3-axis unified ARC 22 N and one Marquardt 490 N bipropellant thrusters, Sun and Barnes Earth sensors and two 61 Nms 2-axis gimbaled momentum bias wheels. 1658 kg nitrogen tetroxide & MMH in four spheres. Spin-stabilized in transfer orbit.

Nov 1, 1994 · Astra 1D was the fourth, and under original plans, the final Astra communications satellite from SES. It was launched to SES' original solitary operational position at 19.2° east and was intended as an in-orbit spare for Astra's 1A, 1B, and 1C and to carry digital TV transmissions.

Astra 1D satellite technical details, its charts, beams and coverage maps (footprints).

Nov 1, 1994 · Astra 1D General. Designation: 23331 / 94070A Launch date 1 Nov 1994 Country of origin: Luxemburg: Mission: Direct TV: Geostationary orbit see below Launch vehicle: ... Ku-band (11.7-12.1 GHz), Astra 1E backup. Main transponders 4 : Backup transponders 18 Power 63 W Bandwidth 33 MHz Coverage Europe EIRP max 52 dBW Polarization linear H/V ...