DELTA 1 DEB, 40755

Orbit data source: Space-Track

DELTA 1 DEB, 40755 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/40755?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/40755?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

40755, 1976-077FY

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 (49 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)

Expand to show TLE details & history
Last TLE update: 4 days ago

TLE from 4 days ago

0 DELTA 1 DEB
1 40755U 76077FY  25285.87021498  .00000058  00000-0  72849-3 0  9995
2 40755 102.0190 258.9626 0015224 321.3632  38.6344 12.44978977952268

Epoch: 2025-10-12T20:53Z

TLE epoch observation values (Epoch: 2025-10-12T20:53:06.574Z)

Latitude

-0.00004°

Longitude

-75.99593°

Altitude

1,478.776 km

Speed

7.128 km/s

True Right ascension

17h 15m 51s

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

12:35:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,495.104 km

Perigee altitude

1,471.168 km

Semi-major axis

7,861.273 km

Eccentricity

0.00152

Inclination

102.019°

RAAN

258.9626°

Arg. of periapsis

321.3632°

True anomaly

38.74348°

Mean anomaly

38.6344°

Eccentric anomaly

38.68892°

Mean motion

3.11389 °/min

Orbital period

115.61 mins

BSTAR

0.00072849

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, 10753 (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.
6 mins	2025-10-16 19:38:11.221Z	65.047° ENE	2025-10-16 19:41:11.221Z	43.141° NE	12.873°	2025-10-16 19:44:11.221Z	21.54° NNE
14 mins	2025-10-16 21:26:11.221Z	137.404° SSE	2025-10-16 21:33:11.221Z	52.192° ENE	40.051°	2025-10-16 21:40:11.221Z	351.064° N
12 mins	2025-10-16 23:21:11.221Z	212.398° SW	2025-10-16 23:26:11.221Z	259.002° W	27.616°	2025-10-16 23:33:11.221Z	320.445° NNW
9 mins	2025-10-17 09:35:11.221Z	61.21° ENE	2025-10-17 09:39:11.221Z	93.496° ESE	17.732°	2025-10-17 09:44:11.221Z	131.23° SE
15 mins	2025-10-17 11:26:11.221Z	17.02° NNE	2025-10-17 11:33:11.221Z	340.982° N	44.926°	2025-10-17 11:41:11.221Z	201.616° SSW
10 mins	2025-10-17 13:21:11.221Z	345.586° N	2025-10-17 13:26:11.221Z	304.546° NW	19.737°	2025-10-17 13:31:11.221Z	266.831° W

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 ascending 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 ascending order

Check out DELTA 1 DEB, 40755 on other resources

View DELTA 1 DEB, 40755 on Heavens-Above

View DELTA 1 DEB, 40755 on Keep Track

View DELTA 1 DEB, 40755 on Celestrak

View DELTA 1 DEB, 40755 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, 40755

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 days ago

TLE from 4 days ago

TLE epoch observation values (Epoch: 2025-10-12T20:53:06.574Z)

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, 40755 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 days ago