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: 1 month ago

TLE from 1 month ago

0 DELTA 1 DEB
1 40755U 76077FY  25301.86108069  .00000074  00000-0  83683-3 0  9999
2 40755 102.0226 274.9061 0015848 291.1107  68.8265 12.44982313954259

Epoch: 2025-10-28T20:39Z

TLE epoch observation values (Epoch: 2025-10-28T20:39:57.371Z)

Latitude

-0.00003°

Longitude

-72.52544°

Altitude

1,483.623 km

Speed

7.124 km/s

True Right ascension

18h 19m 37s

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

16:21:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,495.581 km

Perigee altitude

1,470.664 km

Semi-major axis

7,861.26 km

Eccentricity

0.00158

Inclination

102.0226°

RAAN

274.9061°

Arg. of periapsis

291.1107°

True anomaly

68.99597°

Mean anomaly

68.8265°

Eccentric anomaly

68.91122°

Mean motion

3.1139 °/min

Orbital period

115.61 mins

BSTAR

0.00083683

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, 16997 (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.
14 mins	2025-12-07 21:12:38.052Z	128.157° SE	2025-12-07 21:18:38.052Z	72.032° E	36.154°	2025-12-07 21:26:38.052Z	354.053° N
13 mins	2025-12-07 23:06:38.052Z	200.188° SSW	2025-12-07 23:12:38.052Z	260.551° W	32.824°	2025-12-07 23:19:38.052Z	325.034° NNW
6 mins	2025-12-08 09:22:38.052Z	71.728° E	2025-12-08 09:24:38.052Z	86.674° E	13.179°	2025-12-08 09:28:38.052Z	115.879° SE
15 mins	2025-12-08 11:12:38.052Z	21.789° NNE	2025-12-08 11:19:38.052Z	105.521° ESE	44.257°	2025-12-08 11:27:38.052Z	192.804° SSW
11 mins	2025-12-08 13:07:38.052Z	347.067° N	2025-12-08 13:12:38.052Z	302.347° NW	23.39°	2025-12-08 13:18:38.052Z	255.735° W

Items per page:

1–5 of 5 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, 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: 1 month ago

TLE from 1 month ago

TLE epoch observation values (Epoch: 2025-10-28T20:39:57.371Z)

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: 1 month ago