DELTA 1 DEB, 12274

Orbit data source: Space-Track

DELTA 1 DEB, 12274 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/12274?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/12274?theme=dark&initialShowStats=false

Optional secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

12274, 1976-077DF

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: 17 hours ago

TLE from 17 hours ago

0 DELTA 1 DEB
1 12274U 76077DF  26255.86901660 -.00000030  00000-0  13956-3 0  9990
2 12274 102.3994 218.4511 0105246 221.3757 164.4204 12.22301307 34653

Epoch: 2026-09-12T20:51Z

TLE epoch observation values (Epoch: 2026-09-12T20:51:23.034Z)

Latitude

25.49263°

Longitude

-92.25515°

Altitude

1,666.048 km

Speed

7.007 km/s

True Right ascension

14h 09m 51s

True Declination

25° 22' 28"

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

05:59:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,663.913 km

Perigee altitude

1,496.397 km

Semi-major axis

7,958.292 km

Eccentricity

0.01052

Inclination

102.3994°

RAAN

218.4511°

Arg. of periapsis

221.3757°

True anomaly

164.74025°

Mean anomaly

164.4204°

Eccentric anomaly

164.58073°

Mean motion

3.05713 °/min

Orbital period

117.76 mins

BSTAR

0.00013956

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

DELTA 1 DEB, 20012

DELTA 1 DEB, 10875

DELTA 1 DEB, 10761 (Decayed)

DELTA 1 DEB, 10651 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

DELTA 1 DEB Visibility forecast

Loading observer location...
Set Observer location

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.
5 mins	2026-09-13 18:36:28.448Z	55.558° ENE	2026-09-13 18:38:28.448Z	42.474° NE	12.245°	2026-09-13 18:41:28.448Z	22.761° NE
16 mins	2026-09-13 20:24:28.448Z	129.68° SE	2026-09-13 20:32:28.448Z	53.557° ENE	49.439°	2026-09-13 20:40:28.448Z	352.023° N
15 mins	2026-09-13 22:20:28.448Z	196.933° SSW	2026-09-13 22:27:28.448Z	259.937° W	42.224°	2026-09-13 22:35:28.448Z	326.74° NNW
9 mins	2026-09-14 08:47:28.448Z	59.995° ENE	2026-09-14 08:51:28.448Z	90.099° ESE	17.868°	2026-09-14 08:56:28.448Z	127.26° SE
16 mins	2026-09-14 10:40:28.448Z	18.416° NNE	2026-09-14 10:48:28.448Z	191.028° SSW	84.863°	2026-09-14 10:56:28.448Z	200.26° SSW
11 mins	2026-09-14 12:37:28.448Z	348.733° N	2026-09-14 12:42:28.448Z	309.532° NW	23.014°	2026-09-14 12:48:28.448Z	264.488° W

Items per page:

1–6 of 6 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out DELTA 1 DEB, 12274 on other resources

View DELTA 1 DEB, 12274 on Heavens-Above

View DELTA 1 DEB, 12274 on Keep Track

View DELTA 1 DEB, 12274 on Celestrak

View DELTA 1 DEB, 12274 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, 12274

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-09-12T20:51:23.034Z)

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, 12274 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago