DELTA 1 DEB, 10870

Orbit data source: Space-Track

DELTA 1 DEB, 10870 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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Iframe URL

https://www.satcat.com/sats-embedded/10870?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

10870, 1976-077CY

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, 0.2 m

Radar Cross Section

Small (<0.1 m²)

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Last TLE update: 5 hours ago

TLE from 5 hours ago

0 DELTA 1 DEB
1 10870U 76077CY  25351.92370515  .00000370  00000-0  27691-2 0  9998
2 10870 101.7180 332.9124 0008938 188.0739 230.4403 12.48793091241236

Epoch: 2025-12-17T22:10Z

TLE epoch observation values (Epoch: 2025-12-17T22:10:08.124Z)

Latitude

56.63577°

Longitude

-104.67529°

Altitude

1,483.291 km

Speed

7.125 km/s

True Right ascension

20h 58m 34s

True Declination

56° 29' 32"

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

02:01:01

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,474.106 km

Perigee altitude

1,460.082 km

Semi-major axis

7,845.231 km

Eccentricity

0.00089

Inclination

101.718°

RAAN

332.9124°

Arg. of periapsis

188.0739°

True anomaly

230.36139°

Mean anomaly

230.4403°

Eccentric anomaly

230.40084°

Mean motion

3.12345 °/min

Orbital period

115.26 mins

BSTAR

0.0027691

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

DELTA 1 DEB, 19858 (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.
9 mins	2025-12-18 10:04:31.568Z	54.29° ENE	2025-12-18 10:09:31.568Z	92.281° ESE	16.262°	2025-12-18 10:13:31.568Z	123.223° SE
15 mins	2025-12-18 11:56:31.568Z	17.793° NNE	2025-12-18 12:03:31.568Z	113.913° SE	44.992°	2025-12-18 12:11:31.568Z	199.013° SSW
9 mins	2025-12-18 13:51:31.568Z	342.742° N	2025-12-18 13:55:31.568Z	308.929° NW	20.298°	2025-12-18 14:00:31.568Z	267.978° W
11 mins	2025-12-18 21:06:31.568Z	99.497° ESE	2025-12-18 21:11:31.568Z	54.301° ENE	24.686°	2025-12-18 21:17:31.568Z	5.078° NNE
15 mins	2025-12-18 22:56:31.568Z	171.388° S	2025-12-18 23:03:31.568Z	237.192° WSW	43.398°	2025-12-18 23:11:31.568Z	337.899° N
4 mins	2025-12-19 00:56:31.568Z	258.686° W	2025-12-19 00:58:31.568Z	273.309° WNW	11.773°	2025-12-19 01:00:31.568Z	287.805° WNW

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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, 10870 on other resources

View DELTA 1 DEB, 10870 on Heavens-Above

View DELTA 1 DEB, 10870 on Keep Track

View DELTA 1 DEB, 10870 on Celestrak

View DELTA 1 DEB, 10870 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, 10870

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2025-12-17T22:10:08.124Z)

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, 10870 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago