ATK-A200 Satellite Bus

Data current as of 2026-07-20.

The ATK-A200 bus accounts for 3 cataloged objects, of which 1 are in orbit and 0 are active. 2 have reentered. Most are built by ATKS. The largest operator on this bus is AFORS. The first launched in 2000, the most recent in 2011.

1
In orbit
0
Active
3
Total launched
2
Reentered

ATK-A200 launched per year

1 2000: 1 object launched 2001: 0 objects launched 2002: 0 objects launched 2003: 0 objects launched 2004: 0 objects launched 2005: 0 objects launched 2006: 0 objects launched 2007: 0 objects launched 2008: 0 objects launched 2009: 1 launched, 1 since reentered 2010: 0 objects launched 2011: 1 launched, 1 since reentered 2000 2002 2004 2006 2008 2010
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged ATK-A200 satellites.

Manufacturer ATKS
Purpose Earth Observation
Launch mass 400 kg
Dry mass 400 kg
Length 3 m
Diameter 1.2 m
Span 5 m
Shape Box + 2 Pan
Power 3 deployable fixed solar arrays, batteries
Propulsion AOCS
Design life 1 - 2 years
Equipment ALI (Advanced Land Imager), Hyperion, AC
Typical orbit 98 min period, 98° inclination

Top operators

AFORS 1 AFRL 1 NASA 1

Top countries

US 3

ATK-A200 satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
ORS-1 (USA 231) USA 231 37728 2011-029A AFORS Jun 30, 2011 88 min, 40.0° Reentered
TACSAT 3 Tacsat 3 35001 2009-028A AFRL May 19, 2009 88 min, 40.4° Reentered
EO-1 EO-1 26619 2000-075A GSFC Nov 21, 2000 98 min, 98.1° Inactive

Frequently asked questions

How many ATK-A200 satellites are there?

The catalog lists 3 objects built on the ATK-A200 bus. 1 are in orbit and 2 have reentered.

How many ATK-A200 satellites are in orbit?

1 ATK-A200 objects are currently in orbit, of which 0 carry an active status.

Who builds the ATK-A200 bus?

The ATK-A200 bus is most commonly built by ATKS.

When did the first ATK-A200 satellite launch?

The first cataloged ATK-A200 satellite launched in 2000, and the most recent in 2011.

Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.