ECHO 2 DEB (METAL OBJ), 743

Orbit data source: Space-Track

ECHO 2 DEB (METAL OBJ), 743 is space debris in LEO originally from a launch on Sat, 25 Jan 1964 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/743?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

743, 1964-004D

Orbit

LEO

Last TLE update

7 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Grummann

Mission

Spacecraft

Bus & Motor

ECHO CANISTER, Unknown motor

Mass

35 kg wet, 35 kg dry

Launch date (UTC)

1964-01-25 (61 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

1.000 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 ECHO 2 DEB (METAL OBJ)
1 00743U 64004D   25128.94437166  .00000168  00000-0  33087-3 0  9995
2 00743  81.5188 136.1335 0172117 276.4236 127.4878 13.26802310964527

Epoch: 2025-05-08T22:39Z

Definitive object data (Epoch: 2025-05-08T22:39:53.711Z)

Latitude

44.91153°

Longitude

-62.34212°

Altitude

1,245.896 km

Speed

7.197 km/s

True Right ascension

09h 38m 33s

True Declination

44° 45' 02"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-55.85255°

Longitude

-83.71106°

Altitude

1,065.091 km

Speed

7.375 km/s

Apparent Right ascension

04h 31m 16s

Apparent Declination

-60° 09' 60"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

13:32:19

Azimuth

218.603° SW

Elevation

-55.86°

Doppler factor

Orbital elements

Apogee altitude

1,285.799 km

Perigee altitude

1,026.444 km

Semi-major axis

7,534.259 km

Eccentricity

0.0172117

Inclination

81.5188°

RAAN

136.1335°

Arg. of periapsis

276.4236°

True anomaly

129.03237°

Mean anomaly

127.4878°

Eccentric anomaly

128.26212°

Mean motion

3.31881 °/min

BSTAR

0.00033087

Orbital period

108.47 mins

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Other satellites on launch #4 in the year 1964 (1964-01-25 UTC)

ECHO 2 (A-12), 740 (Decayed)

THOR AGENA B R/B, 741

ECHO 2 DEB (METAL OBJ), 742

THOR AGENA B DEB, 749 (Decayed)

ECHO 2 DEB (METAL OBJ) Visibility forecast

Observer location: undefined°, undefined°

Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
14 mins	2025-05-09 11:41:39.843Z	0.367° NNE	2025-05-09 11:48:39.843Z	70.221° E	38.847°	2025-05-09 11:55:39.843Z	151.264° SSE
10 mins	2025-05-09 13:33:39.843Z	319.11° NNW	2025-05-09 13:37:39.843Z	278.642° WNW	25.548°	2025-05-09 13:43:39.843Z	221.288° SW
9 mins	2025-05-09 23:54:39.843Z	124.631° SE	2025-05-09 23:58:39.843Z	82.81° E	23.606°	2025-05-10 00:03:39.843Z	36.762° NE
13 mins	2025-05-10 01:41:39.843Z	207.849° SW	2025-05-10 01:47:39.843Z	287.878° WNW	40.324°	2025-05-10 01:54:39.843Z	0.866° NNE

Authenticating...

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Check out ECHO 2 DEB (METAL OBJ), 743 on other resources

View ECHO 2 DEB (METAL OBJ), 743 on Heavens-Above

View ECHO 2 DEB (METAL OBJ), 743 on Keep Track

View ECHO 2 DEB (METAL OBJ), 743 on Celestrak

View ECHO 2 DEB (METAL OBJ), 743 on Gunter's Space Page

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