STSS-ATRR

In orbit

STSS-ATRR (NORAD 34903, COSPAR 2009-023A) is a US satellite in orbit, launched on 5 May 2009 on the STSS Adv Tech Risk Reduc mission. It is catalogued as STSS Adv Tech Risk Reduction. It is operated by MDA as part of the STSS programme. The spacecraft was built by GDG? on the SA-200HP? bus, with a mass of 2,000 kg. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions. Catalogue record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2009

launched

years on orbit

2,000

kg mass

Lifecycle

Launched5 May 2009 · on the STSS Adv Tech Risk Reduc mission

StatusOn orbit (not live-tracked)

Specifications

NORAD ID34903

COSPAR2009-023A

TypeSatellite

OperatorMDA

Country / StateUS

ManufacturerGDG?

BusSA-200HP?

Mass2,000 kg (1,800 kg dry)

ProgrammeSTSS

CategoryEW*

OrbitLEO (LEO/S)

Altitude867 × 878 km

Inclination99.0°

Frequently asked questions

What is STSS-ATRR?

STSS-ATRR is a satellite launched in 2009 that is still in orbit. No current orbital elements are published for it, so it is not shown on the live map or in pass predictions.

Who operates and built STSS-ATRR?

STSS-ATRR is operated by MDA and built by GDG? (US).

Catalogue record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-21.

Browse the live satellite directory → The Orbital Register → Launch record: STSS Adv Tech Risk Reduc → What is space debris? →