DELTA 1 DEB, 27727

Orbit data source: Space-Track

DELTA 1 DEB, 27727 is space debris in LEO 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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Iframe URL

https://www.satcat.com/sats-embedded/27727?theme=dark&initialShowStats=false

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Identifier

27727, 1976-077FS

Orbit

LEO

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

Small (<0.1 m²)

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Last TLE update: 11 hours ago

TLE from 11 hours ago

0 DELTA 1 DEB
1 27727U 76077FS  26104.78921589  .00000057  00000-0  14361-2 0  9993
2 27727 102.7077 199.5926 0412891 261.0555 257.6497 11.68376296504177

Epoch: 2026-04-14T18:56Z

TLE epoch observation values (Epoch: 2026-04-14T18:56:28.252Z)

Latitude

25.21073°

Longitude

-101.4198°

Altitude

1,913.875 km

Speed

6.9 km/s

True Right ascension

01h 42m 38s

True Declination

25° 05' 49"

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

12:18:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,161.967 km

Perigee altitude

1,484.704 km

Semi-major axis

8,201.473 km

Eccentricity

0.04129

Inclination

102.7077°

RAAN

199.5926°

Arg. of periapsis

261.0555°

True anomaly

253.08313°

Mean anomaly

257.6497°

Eccentric anomaly

255.36081°

Mean motion

2.92217 °/min

Orbital period

123.2 mins

BSTAR

0.0014361

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

DELTA 1 DEB, 40755

DELTA 1 DEB, 10753 (Decayed)

DELTA 1 DEB, 19858 (Decayed)

DELTA 1 DEB, 10839 (Decayed)

DELTA 1 DEB, 10827 (Decayed)

DELTA 1 DEB, 18677 (Decayed)

DELTA 1 DEB, 10705 (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.
21 mins	2026-04-15 06:24:32.772Z	174.031° S	2026-04-15 06:34:32.772Z	262.639° W	42.678°	2026-04-15 06:45:32.772Z	337.033° NNW
8 mins	2026-04-15 08:33:32.772Z	256.057° W	2026-04-15 08:36:32.772Z	273.121° WNW	13.248°	2026-04-15 08:41:32.772Z	300.389° NW
13 mins	2026-04-15 17:22:32.772Z	51.251° ENE	2026-04-15 17:28:32.772Z	88.839° E	20.341°	2026-04-15 17:35:32.772Z	133.925° SE
20 mins	2026-04-15 19:20:32.772Z	18.391° NNE	2026-04-15 19:30:32.772Z	353.519° N	44.997°	2026-04-15 19:40:32.772Z	201.794° SSW
15 mins	2026-04-15 21:22:32.772Z	356.854° N	2026-04-15 21:29:32.772Z	312.596° NW	24.703°	2026-04-15 21:37:32.772Z	262.07° W
10 mins	2026-04-16 03:10:32.772Z	63.091° ENE	2026-04-16 03:14:32.772Z	40.226° NE	16.439°	2026-04-16 03:20:32.772Z	7.146° NNE
20 mins	2026-04-16 05:03:32.772Z	132.129° SE	2026-04-16 05:12:32.772Z	63.274° ENE	39.723°	2026-04-16 05:23:32.772Z	348.556° N

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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, 27727 on other resources

View DELTA 1 DEB, 27727 on Heavens-Above

View DELTA 1 DEB, 27727 on Keep Track

View DELTA 1 DEB, 27727 on Celestrak

View DELTA 1 DEB, 27727 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, 27727

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-04-14T18:56:28.252Z)

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, 27727 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago