DELTA 1 DEB, 12537

Orbit data source: Space-Track

DELTA 1 DEB, 12537 is space debris in SSO originally from a launch on Thu, 29 Jul 1976 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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https://www.satcat.com/sats-embedded/12537?theme=dark&initialShowStats=false

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Identifier

12537, 1976-077DS

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1976-07-29 (50 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 DELTA 1 DEB
1 12537U 76077DS  26213.16133834  .00000057  00000-0  10281-2 0  9994
2 12537 102.3144 174.0546 0160298 197.2219 284.7205 12.11632352 42278

Epoch: 2026-08-01T03:52Z

TLE epoch observation values (Epoch: 2026-08-01T03:52:19.632Z)

Latitude

57.738°

Longitude

6.32555°

Altitude

1,607.998 km

Speed

7.085 km/s

True Right ascension

00h 56m 44s

True Declination

57° 35' 57"

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

05:04:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,755.145 km

Perigee altitude

1,498.509 km

Semi-major axis

8,004.964 km

Eccentricity

0.01603

Inclination

102.3144°

RAAN

174.0546°

Arg. of periapsis

197.2219°

True anomaly

282.93511°

Mean anomaly

284.7205°

Eccentric anomaly

283.82868°

Mean motion

3.03043 °/min

Orbital period

118.8 mins

BSTAR

0.0010281

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Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB, 10839 (Decayed)

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DELTA 1 DEB 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.
13 mins	2026-08-01 19:14:27.569Z	95.147° ESE	2026-08-01 19:20:27.569Z	52.714° ENE	22.643°	2026-08-01 19:27:27.569Z	3.476° NNE
18 mins	2026-08-01 21:07:27.569Z	159.447° S	2026-08-01 21:15:27.569Z	163.547° S	44.82°	2026-08-01 21:25:27.569Z	342.096° N
11 mins	2026-08-01 23:08:27.569Z	233.607° WSW	2026-08-01 23:13:27.569Z	269.056° W	18.994°	2026-08-01 23:19:27.569Z	309.734° NW
15 mins	2026-08-02 09:35:27.569Z	33.296° NE	2026-08-02 09:42:27.569Z	95.005° ESE	34.719°	2026-08-02 09:50:27.569Z	169.248° S
14 mins	2026-08-02 11:32:27.569Z	2.589° NNE	2026-08-02 11:39:27.569Z	295.479° NW	34.761°	2026-08-02 11:46:27.569Z	234.057° WSW

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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 DEB, 12537 on other resources

View DELTA 1 DEB, 12537 on Heavens-Above

View DELTA 1 DEB, 12537 on Keep Track

View DELTA 1 DEB, 12537 on Celestrak

View DELTA 1 DEB, 12537 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 DEB, 12537

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-08-01T03:52:19.632Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1976 (1976-07-29 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 12537 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago