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DOY 200 | 2024-07-18T23:37:50Z
DECAYED
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ECHO 2 (A-12), 740 (Decayed)

Orbit data source: Public

ECHO 2 (A-12), 740 was a payload satellite owned by NASA LaRC (US) that was launched on Sat, 25 Jan 1964 UTC via a Thor SLV-2 Agena B launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Next visibility unknown
No 3D visualization available: No data
ECHO 2 (A-12) details
NORAD ID740
COSPAR ID
1964-004A
Orbit
Decayed
Last TLE updateUnknown
Origin
Flag of USNASA LaRC (US)
ManufacturerSchjeldahl
BusEcho 135'
MotorUnknown
Mass278 kg wet, 256 kg dry
Launch date (UTC)
1964-01-25 (60 years ago)
Launch vehicle
Thor SLV-2 Agena B
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Radar Cross SectionRCS unknown
Predictive object data (real-time)
LatitudeUnknown
LongitudeUnknown
AltitudeUnknown
SpeedUnknown
Apparent Right ascensionUnknown
Apparent DeclinationUnknown
SunlitUnknown
Predictive observer data (real-time)
Local Sidereal Time12:26:26
AzimuthUnknown
ElevationUnknown
Doppler factorUnknown
Orbital elements
ApogeeUnknown
PerigeeUnknown
Semi-major axisUnknown
EccentricityUnknown
InclinationUnknown
RAANUnknown
Arg. of periapsisUnknown
True anomalyUnknown
Mean anomalyUnknown
Mean motionUnknown
BSTARUnknown
PeriodUnknown
Definitive object data
LatitudeUnknown
LongitudeUnknown
AltitudeUnknown
SpeedUnknown
True Right ascensionUnknown
True DeclinationUnknown
Sunlit
Object was in daylight at TLE epoch
No data available

ECHO 2 (A-12) Visibility forecast

Observer location: 39.9160978°, -105.1181434

This satellite is decayed
Span
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Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.