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 src="https://www.satcat.com/sats-embedded/742?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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: 19 hours ago

TLE from 19 hours ago

0 ECHO 2 DEB (METAL OBJ)
1 00742U 64004C   25242.09133357  .00000072  00000-0  12431-3 0  9996
2 00742  81.4656 294.1440 0173116 120.4847 241.3501 13.26242264978770

Epoch: 2025-08-30T02:11Z

TLE epoch observation values (Epoch: 2025-08-30T02:11:31.22Z)

Latitude

-0.00005°

Longitude

-77.2667°

Altitude

1,228.069 km

Speed

7.21 km/s

True Right ascension

19h 36m 34s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

12:30:00

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,288.714 km

Perigee altitude

1,027.78 km

Semi-major axis

7,536.384 km

Eccentricity

0.01731

Inclination

81.4656°

RAAN

294.144°

Arg. of periapsis

120.4847°

True anomaly

239.62736°

Mean anomaly

241.3501°

Eccentric anomaly

240.48692°

Mean motion

3.31741 °/min

Orbital period

108.52 mins

BSTAR

0.00012431

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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)

ECHO 2 DEB (METAL OBJ) Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
12 mins	2025-08-31 03:38:16.960Z	161.243° S	2025-08-31 03:44:16.960Z	95.539° ESE	36.315°	2025-08-31 03:50:16.960Z	22.835° NE
10 mins	2025-08-31 05:29:16.960Z	236.746° WSW	2025-08-31 05:34:16.960Z	290.424° WNW	25.82°	2025-08-31 05:39:16.960Z	343.762° N
11 mins	2025-08-31 15:00:16.960Z	358.824° N	2025-08-31 15:05:16.960Z	74.795° E	42.695°	2025-08-31 15:11:16.960Z	160.997° S
5 mins	2025-08-31 16:52:16.960Z	297.554° NW	2025-08-31 16:54:16.960Z	275.931° WNW	16.574°	2025-08-31 16:57:16.960Z	245.528° WSW

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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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: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2025-08-30T02:11:31.22Z)

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: 19 hours ago