DELTA 1 R/B, 738

Orbit data source: Space-Track

DELTA 1 R/B, 738 is space debris originally from a launch on Tue, 21 Jan 1964 UTC launched from the Air Force Eastern Test Range (AFETR). 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/738?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

738, 1964-003B

Orbit

Active

Last TLE update

13 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

ABL

Mission

Spacecraft

Bus & Motor

ALTAIR, Unknown motor

Mass

24 kg wet, 24 kg dry

Launch date (UTC)

1964-01-21 (61 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.5 m

Radar Cross Section

0.687 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 DELTA 1 R/B
1 00738U 64003B   25187.55317372 -.00000017  00000-0  00000-0 0  9996
2 00738  46.4696  22.9885 2602221 346.2802   7.8427  7.39353849659918

Epoch: 2025-07-06T13:16Z

TLE epoch observation values (Epoch: 2025-07-06T13:16:34.209Z)

Latitude

0.00001°

Longitude

-100.92924°

Altitude

1,905.272 km

Speed

7.775 km/s

True Right ascension

01h 31m 57s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-25.63435°

Longitude

-128.50828°

Altitude

2,003.662 km

Speed

7.704 km/s

Apparent Right ascension

00h 37m 28s

Apparent Declination

-32° 52' 26"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:04:53

Azimuth

74.984° E

Elevation

-71.113°

Doppler factor

Orbital elements

Apogee altitude

7,649.481 km

Perigee altitude

1,856.381 km

Semi-major axis

11,131.068 km

Eccentricity

0.26022

Inclination

46.4696°

RAAN

22.9885°

Arg. of periapsis

346.2802°

True anomaly

Unknown

Mean anomaly

7.8427°

Eccentric anomaly

Unknown

Mean motion

1.84815 °/min

Orbital period

194.79 mins

BSTAR

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Other satellites on launch #3 in the year 1964 (1964-01-21 UTC)

RELAY 2, 737

DELTA 1 R/B 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.
40 mins	2025-07-07 03:20:09.682Z	282.03° WNW	2025-07-07 03:39:09.682Z	256.742° W	14.821°	2025-07-07 04:00:09.682Z	230.773° WSW
33 mins	2025-07-07 15:21:09.682Z	210.645° SW	2025-07-07 15:31:09.682Z	134.586° SE	41.824°	2025-07-07 15:54:09.682Z	60.392° ENE
57 mins	2025-07-07 18:46:09.682Z	272.97° WNW	2025-07-07 19:02:09.682Z	356.053° N	43.918°	2025-07-07 19:43:09.682Z	88.621° E
79 mins	2025-07-07 22:14:09.682Z	297.407° NW	2025-07-07 22:42:09.682Z	217.495° SW	44.591°	2025-07-07 23:33:09.682Z	139.558° SSE
16 mins	2025-07-08 01:48:09.682Z	294.069° NW	2025-07-08 02:04:09.682Z	270.058° WNW	24.541°	2025-07-08 02:04:09.682Z	270.058° WNW

Authenticating...

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Check out DELTA 1 R/B, 738 on other resources

View DELTA 1 R/B, 738 on Heavens-Above

View DELTA 1 R/B, 738 on Keep Track

View DELTA 1 R/B, 738 on Celestrak

View DELTA 1 R/B, 738 on Gunter's Space Page

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