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

Radar Cross Section

0.940 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 ECHO 2 DEB (METAL OBJ)
1 00742U 64004C   25256.04778239  .00000055  00000-0  89646-4 0  9994
2 00742  81.4632 282.6554 0173115  86.2129 275.8770 13.26244230980625

Epoch: 2025-09-13T01:08Z

TLE epoch observation values (Epoch: 2025-09-13T01:08:48.398Z)

Latitude

-0.00002°

Longitude

-86.83301°

Altitude

1,152.63 km

Speed

7.282 km/s

True Right ascension

18h 50m 37s

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

15:39:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,288.705 km

Perigee altitude

1,027.773 km

Semi-major axis

7,536.376 km

Eccentricity

0.01731

Inclination

81.4632°

RAAN

282.6554°

Arg. of periapsis

86.2129°

True anomaly

273.89969°

Mean anomaly

275.877°

Eccentric anomaly

274.88873°

Mean motion

3.31741 °/min

Orbital period

108.52 mins

BSTAR

0.000089646

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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), 743

THOR AGENA B DEB, 749 (Decayed)

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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	2025-09-14 02:36:12.842Z	186.137° SSW	2025-09-14 02:41:12.842Z	177.456° S	44.54°	2025-09-14 02:47:12.842Z	9.505° NNE
5 mins	2025-09-14 04:30:12.842Z	278.05° WNW	2025-09-14 04:32:12.842Z	297.486° NW	13.586°	2025-09-14 04:35:12.842Z	325.555° NNW
8 mins	2025-09-14 12:09:12.842Z	32.304° NE	2025-09-14 12:12:12.842Z	64.071° ENE	19.12°	2025-09-14 12:17:12.842Z	112.491° ESE
12 mins	2025-09-14 13:57:12.842Z	342.675° N	2025-09-14 14:02:12.842Z	283° WNW	41.838°	2025-09-14 14:09:12.842Z	185.784° SSW

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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2025-09-13T01:08:48.398Z)

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: 22 hours ago