DELTA 1 DEB, 10720

Orbit data source: Space-Track

DELTA 1 DEB, 10720 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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https://www.satcat.com/sats-embedded/10720?theme=dark&initialShowStats=false

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Identifier

10720, 1976-077AR

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)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 DELTA 1 DEB
1 10720U 76077AR  25356.87014773 -.00000087  00000-0 -45534-3 0  9996
2 10720 102.1149 109.7468 0359232 131.0508 345.3097 12.05649758174669

Epoch: 2025-12-22T20:53Z

TLE epoch observation values (Epoch: 2025-12-22T20:53:00.763Z)

Latitude

62.2401°

Longitude

-91.22822°

Altitude

1,387.621 km

Speed

7.295 km/s

True Right ascension

20h 54m 44s

True Declination

62° 06' 35"

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

09:57:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,941.8 km

Perigee altitude

1,364.772 km

Semi-major axis

8,031.423 km

Eccentricity

0.03592

Inclination

102.1149°

RAAN

109.7468°

Arg. of periapsis

131.0508°

True anomaly

344.21854°

Mean anomaly

345.3097°

Eccentric anomaly

344.76897°

Mean motion

3.01547 °/min

Orbital period

119.38 mins

BSTAR

-0.00045534

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

DELTA 1 DEB, 12580

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.
7 mins	2025-12-23 18:52:23.193Z	62.681° ENE	2025-12-23 18:56:23.193Z	95.253° ESE	14.384°	2025-12-23 18:59:23.193Z	119.106° SE
14 mins	2025-12-23 20:47:23.193Z	17.778° NNE	2025-12-23 20:54:23.193Z	201.923° SSW	44.893°	2025-12-23 21:01:23.193Z	200.202° SSW
8 mins	2025-12-23 22:46:23.193Z	342.532° N	2025-12-23 22:50:23.193Z	308.032° NW	17.82°	2025-12-23 22:54:23.193Z	274.243° WNW
14 mins	2025-12-24 06:15:23.193Z	120.358° SE	2025-12-24 06:22:23.193Z	60.274° ENE	32.745°	2025-12-24 06:29:23.193Z	358.387° N
16 mins	2025-12-24 08:11:23.193Z	186.619° SSW	2025-12-24 08:19:23.193Z	260.169° W	37.776°	2025-12-24 08:27:23.193Z	331.083° NNW

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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, 10720 on other resources

View DELTA 1 DEB, 10720 on Heavens-Above

View DELTA 1 DEB, 10720 on Keep Track

View DELTA 1 DEB, 10720 on Celestrak

View DELTA 1 DEB, 10720 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, 10720

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2025-12-22T20:53:00.763Z)

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, 10720 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago