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 (50 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.2 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 DELTA 1 DEB
1 10720U 76077AR  26118.83202630  .00000414  00000-0  43537-2 0  9992
2 10720 102.1203 228.3546 0358335 270.1858 247.5987 12.05675738189968

Epoch: 2026-04-28T19:58Z

TLE epoch observation values (Epoch: 2026-04-28T19:58:07.072Z)

Latitude

25.35406°

Longitude

-102.16368°

Altitude

1,776.615 km

Speed

6.943 km/s

True Right ascension

03h 36m 40s

True Declination

25° 14' 16"

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

13:55:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,940.961 km

Perigee altitude

1,365.381 km

Semi-major axis

8,031.308 km

Eccentricity

0.03583

Inclination

102.1203°

RAAN

228.3546°

Arg. of periapsis

270.1858°

True anomaly

243.86874°

Mean anomaly

247.5987°

Eccentric anomaly

245.72709°

Mean motion

3.01553 °/min

Orbital period

119.38 mins

BSTAR

0.0043537

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

DELTA 1 DEB, 18677 (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.
19 mins	2026-04-29 07:05:54.889Z	164.449° S	2026-04-29 07:14:54.889Z	242.839° WSW	44.709°	2026-04-29 07:24:54.889Z	340.564° N
10 mins	2026-04-29 09:08:54.889Z	241.133° WSW	2026-04-29 09:13:54.889Z	274.97° WNW	17.103°	2026-04-29 09:18:54.889Z	306.325° NW
17 mins	2026-04-29 19:38:54.889Z	27.593° NE	2026-04-29 19:47:54.889Z	112.464° ESE	40.3°	2026-04-29 19:55:54.889Z	178.545° S
16 mins	2026-04-29 21:35:54.889Z	2.65° NNE	2026-04-29 21:43:54.889Z	303.44° NW	32.846°	2026-04-29 21:51:54.889Z	241.504° WSW
14 mins	2026-04-30 05:06:54.889Z	95.865° ESE	2026-04-30 05:12:54.889Z	53.732° ENE	24.69°	2026-04-30 05:20:54.889Z	1.084° NNE

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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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-28T19:58:07.072Z)

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: 10 hours ago