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// communications · 2004

AMSAT Echo

American amateur radio satellite. AMSAT Echo was launched on June 29, 2004 aboard a Dnepr from Baikonur. Latest status in GCAT: in orbit.

COSPAR 2004-025KNORAD 28375United States

Identity

Name in GCAT
AMSAT-OSCAR-51
Common name
AMSAT Echo
Payload designation
AMSAT-Echo
Other names
AO-51,AMSAT-Oscar-E
International designator
2004-025K
NORAD catalog number
28375
GCAT identifier
S28375
UN registration
ST/SG/SER.E/453

Mission

Mission type
Communications
Use
Amateur / academic
Program
AMSAT-NA
Owner
AMSAT-NA
Country
United States
Builder
SpaceQuest
Platform (bus)
Microsat

Launch

Date
June 29, 2004 · 06:30 UTC
Launch record
2004-025Success
Rocket
Dnepr
Spaceport
Baikonur · pad LC109/95

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
698 km
Apogee
799 km
Inclination
98.26°
Status
In orbit
Last known active
August 2006
End of operations
May 2011

Size

Mass
10 kg
Dry mass
10 kg
Length
0.3 m
Diameter
0.30 m
Span
0.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q4653126 (CC0).