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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Identifier	743, 1964-004D
Orbit	LEO
Last TLE update	9 hours ago
Origin	NASA LaRC (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 9 hours ago

0 ECHO 2 DEB (METAL OBJ)
1   743U 64004D   25080.22726160  .00000180  00000-0  34834-3 0  9993
2   743  81.5253 176.0008 0173727  37.5097 351.7938 13.26786388958055

Epoch: 2025-03-21T05:27Z

Definitive object data (Epoch: 2025-03-21T05:27:15.402Z)

Latitude	28.71233°
Longitude	-80.14591°
Altitude	1,032.789 km
Speed	7.401 km/s
True Right ascension	12h 02m 37s
True Declination	28° 34' 23"
Sunlit	Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude	76.88212°
Longitude	-45.61909°
Altitude	1,075.599 km
Speed	7.368 km/s
Apparent Right ascension	09h 01m 45s
Apparent Declination	32° 49' 54"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	19:42:03
Azimuth	342.762° N
Elevation	-14.952°
Doppler factor	1

Orbital elements

Apogee altitude	1,287.073 km
Perigee altitude	1,025.29 km
Semi-major axis	7,534.319 km
Eccentricity	0.0173727
Inclination	81.5253°
RAAN	176.0008°
Arg. of periapsis	37.5097°
True anomaly	351.50341°
Mean anomaly	351.7938°
Eccentric anomaly	351.64924°
Mean motion	3.31877 °/min
BSTAR	0.00034834
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.
10 mins	2025-03-21 16:45:02.960Z	19.04° NNE	2025-03-21 16:50:02.960Z	66.474° ENE	21.825°	2025-03-21 16:55:02.960Z	114.501° SE
12 mins	2025-03-21 18:35:02.960Z	340.456° N	2025-03-21 18:40:02.960Z	271.987° WNW	41.536°	2025-03-21 18:47:02.960Z	188.154° SSW
11 mins	2025-03-22 06:46:02.960Z	171.881° S	2025-03-22 06:51:02.960Z	76.018° E	42.048°	2025-03-22 06:57:02.960Z	14.91° NNE
7 mins	2025-03-22 08:38:02.960Z	263.595° W	2025-03-22 08:41:02.960Z	296.51° NW	17.769°	2025-03-22 08:45:02.960Z	335.845° NNW

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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