DELTA 1 R/B, 50

Orbit data source: Space-Track

DELTA 1 R/B, 50 is space debris in LEO originally from a launch on Fri, 12 Aug 1960 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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https://www.satcat.com/sats-embedded/50?theme=dark&initialShowStats=false

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Identifier

50, 1960-009B

Orbit

LEO

Country

Related business

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)

1960-08-12 (66 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 DELTA 1 R/B
1 00050U 60009B   26260.01263127 -.00000071  00000-0  12985-3 0  9995
2 00050  47.2295 236.7026 0114377 288.6916  70.1487 12.20169527948918

Epoch: 2026-09-17T00:18Z

TLE epoch observation values (Epoch: 2026-09-17T00:18:11.341Z)

Latitude

-0.00005°

Longitude

-123.80068°

Altitude

1,561.991 km

Speed

7.101 km/s

True Right ascension

15h 46m 48s

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

18:44:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,684.038 km

Perigee altitude

1,501.698 km

Semi-major axis

7,971.005 km

Eccentricity

0.01144

Inclination

47.2295°

RAAN

236.7026°

Arg. of periapsis

288.6916°

True anomaly

71.3874°

Mean anomaly

70.1487°

Eccentric anomaly

70.76746°

Mean motion

3.04982 °/min

Orbital period

118.04 mins

BSTAR

0.00012985

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Other satellites on launch #9 in the year 1960 (1960-08-12 UTC)

ECHO 1 DEB (MYLAR OBJ), 52

ECHO 1, 49 (Decayed)

ECHO 1 DEB (METAL OBJ), 51

ECHO 1 DEB (METAL OBJ), 53

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DELTA 1 R/B 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.
19 mins	2026-09-18 02:02:34.779Z	240.435° WSW	2026-09-18 02:11:34.779Z	355.994° N	87.988°	2026-09-18 02:21:34.779Z	62.088° ENE
18 mins	2026-09-18 04:08:34.779Z	278.587° WNW	2026-09-18 04:17:34.779Z	2.471° NNE	57.68°	2026-09-18 04:26:34.779Z	72.049° E
18 mins	2026-09-18 06:14:34.779Z	297.265° NW	2026-09-18 06:23:34.779Z	27.847° NE	69.495°	2026-09-18 06:32:34.779Z	102.039° ESE
18 mins	2026-09-18 08:19:34.779Z	294.007° NW	2026-09-18 08:28:34.779Z	213.538° SW	57.946°	2026-09-18 08:37:34.779Z	145.822° SSE
9 mins	2026-09-18 10:27:34.779Z	262.726° W	2026-09-18 10:31:34.779Z	237.013° WSW	15.877°	2026-09-18 10:36:34.779Z	205.747° SW
15 mins	2026-09-18 23:35:34.779Z	183.114° SSW	2026-09-18 23:42:34.779Z	126.734° SE	32.466°	2026-09-18 23:50:34.779Z	72.249° E
18 mins	2026-09-19 01:37:34.779Z	237.171° WSW	2026-09-19 01:46:34.779Z	84.083° E	84.697°	2026-09-19 01:55:34.779Z	61.98° ENE

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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 DELTA 1 R/B, 50 on other resources

View DELTA 1 R/B, 50 on Heavens-Above

View DELTA 1 R/B, 50 on Keep Track

View DELTA 1 R/B, 50 on Celestrak

View DELTA 1 R/B, 50 on Gunter's Space Page

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

DELTA 1 R/B, 50

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-09-17T00:18:11.341Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #9 in the year 1960 (1960-08-12 UTC)

DELTA 1 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 R/B, 50 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago