ECHO 2 DEB (METAL OBJ), 742

Orbit data source: Space-Track

ECHO 2 DEB (METAL OBJ), 742 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/742?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

742, 1964-004C

Orbit

LEO

Country

Related business

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 (62 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.9 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 ECHO 2 DEB (METAL OBJ)
1 00742U 64004C   25340.61463805  .00000130  00000-0  25182-3 0  9999
2 00742  81.4671 213.0480 0170887 237.2653 121.1902 13.26260534991837

Epoch: 2025-12-06T14:45Z

TLE epoch observation values (Epoch: 2025-12-06T14:45:04.727Z)

Latitude

0.00002°

Longitude

-83.86154°

Altitude

1,232.013 km

Speed

7.206 km/s

True Right ascension

14h 12m 11s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

02:08:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,286.963 km

Perigee altitude

1,029.392 km

Semi-major axis

7,536.314 km

Eccentricity

0.01709

Inclination

81.4671°

RAAN

213.048°

Arg. of periapsis

237.2653°

True anomaly

122.8468°

Mean anomaly

121.1902°

Eccentric anomaly

122.02035°

Mean motion

3.31745 °/min

Orbital period

108.52 mins

BSTAR

0.00025182

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

THOR AGENA B DEB, 749 (Decayed)

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

THOR AGENA B R/B, 741

ECHO 2 DEB (METAL OBJ), 743

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ECHO 2 DEB (METAL OBJ) Visibility forecast

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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.
11 mins	2025-12-07 04:04:26.469Z	334.345° NNW	2025-12-07 04:08:26.469Z	279.42° WNW	39.163°	2025-12-07 04:15:26.469Z	192.676° SSW
4 mins	2025-12-07 14:28:26.469Z	90.988° ESE	2025-12-07 14:30:26.469Z	75.105° E	12.084°	2025-12-07 14:32:26.469Z	59.6° ENE
13 mins	2025-12-07 16:12:26.469Z	177.811° S	2025-12-07 16:18:26.469Z	90.065° ESE	44.101°	2025-12-07 16:25:26.469Z	12.814° NNE
10 mins	2025-12-07 18:04:26.469Z	255.768° W	2025-12-07 18:08:26.469Z	291.465° WNW	20.187°	2025-12-07 18:14:26.469Z	342.215° N
7 mins	2025-12-08 01:47:26.469Z	34.523° NE	2025-12-08 01:50:26.469Z	63.368° ENE	18.069°	2025-12-08 01:54:26.469Z	100.935° ESE
12 mins	2025-12-08 03:35:26.469Z	346.686° N	2025-12-08 03:41:26.469Z	226.259° WSW	43.823°	2025-12-08 03:47:26.469Z	179.932° S

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out ECHO 2 DEB (METAL OBJ), 742 on other resources

View ECHO 2 DEB (METAL OBJ), 742 on Heavens-Above

View ECHO 2 DEB (METAL OBJ), 742 on Keep Track

View ECHO 2 DEB (METAL OBJ), 742 on Celestrak

View ECHO 2 DEB (METAL OBJ), 742 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ECHO 2 DEB (METAL OBJ), 742

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-06T14:45:04.727Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

ECHO 2 DEB (METAL OBJ) Visibility forecast

Co-orbital & Co-planar RSOs

Check out ECHO 2 DEB (METAL OBJ), 742 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago