Key statistics
Satellite AMSAT ECHO at a glance.
Uptime
7837
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for AMSAT ECHO.
Object identification
Identified? True
Debris? False
Object name: AMSAT ECHO
International designator: 2004-025K
Object number (NORAD): 28375
Object ID (CCSDS): 28375
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.741 minutes
Inclination: 98.636 deg
SMA: 7124.32 km
Apoapsis: 802.908 km
Periapsis: 689.462 km
RAAN: 301.8065 deg
Eccentricy: 0.0079619
Argument of periapsis: 320.6417 deg
Mean anomaly: 38.9003 deg
Mean motion: 14.43735587 rev/day
Mean motion (dot): 0.00000673 rev/day2
B* drag term: 0.00020436 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 7:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 9:25 p.m. UTC
TLE line 0: 0 AMSAT ECHO
TLE line 1: 1 28375U 04025K 25345.89241245 .00000673 00000-0 20436-3 0 9994
TLE line 2: 2 28375 98.6360 301.8065 0079619 320.6417 38.9003 14.43735587128558
Live tracking on map
Real-time ground track for satellite AMSAT ECHO.
In-orbit conjunctions
There are no conjunctions computed for AMSAT ECHO, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
AprizeSat, is a constellation of small Low-Earth-Orbit satellites (64 satellites planned) to achieve a global communication system of data transmission and fixed and mobile asset tracking and monitoring (GMPCS).
AMSAT ECHO was lifted into orbit during the mission ‘Dnepr | Aprizesat-2’, on board a Dnepr space rocket.
The launch took place on June 29, 2004, 6:30 a.m. from 109/95.
For more information about the launch, click the button.
Dnepr | Aprizesat-2
Agency: N/A
Status: Launch Successful
Launch date: June 29, 2004, 6:30 a.m. UTC
Rocket: Dnepr
Launch pad: 109/95
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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