DELTA 1 DEB, 9977

Orbit data source: Space-Track

DELTA 1 DEB, 9977 is space debris in SSO originally from a launch on Tue, 06 Nov 1973 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/9977?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

9977, 1973-086GG

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1973-11-06 (52 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)

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Last TLE update: 16 hours ago

TLE from 16 hours ago

0 DELTA 1 DEB
1 09977U 73086GG  26080.78860745  .00000191  00000-0  14625-2 0  9998
2 09977 101.8818 167.6443 0066839 354.0608 125.9424 12.54313880312592

Epoch: 2026-03-21T18:55Z

TLE epoch observation values (Epoch: 2026-03-21T18:55:35.683Z)

Latitude

57.4584°

Longitude

-96.40387°

Altitude

1,486.886 km

Speed

7.112 km/s

True Right ascension

00h 27m 11s

True Declination

57° 19' 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

16:04:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,496.334 km

Perigee altitude

1,391.769 km

Semi-major axis

7,822.189 km

Eccentricity

0.00668

Inclination

101.8818°

RAAN

167.6443°

Arg. of periapsis

354.0608°

True anomaly

126.55945°

Mean anomaly

125.9424°

Eccentric anomaly

126.25123°

Mean motion

3.13726 °/min

Orbital period

114.75 mins

BSTAR

0.0014625

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Other satellites on launch #86 in the year 1973 (1973-11-06 UTC)

DELTA 1 DEB, 9700 (Decayed)

DELTA 1 DEB, 18647

DELTA 1 DEB, 7070 (Decayed)

DELTA 1 DEB, 7078 (Decayed)

DELTA 1 DEB, 7197 (Decayed)

DELTA 1 DEB, 7087 (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.
15 mins	2026-03-22 17:53:16.151Z	31.808° NE	2026-03-22 18:00:16.151Z	94.42° ESE	35.042°	2026-03-22 18:08:16.151Z	170.059° S
13 mins	2026-03-22 19:47:16.151Z	359.107° N	2026-03-22 19:53:16.151Z	296.57° NW	34.382°	2026-03-22 20:00:16.151Z	233.371° WSW
4 mins	2026-03-23 03:06:16.151Z	53.407° ENE	2026-03-23 03:07:16.151Z	45.716° ENE	12.315°	2026-03-23 03:10:16.151Z	23.453° NE
14 mins	2026-03-23 04:52:16.151Z	137.252° SSE	2026-03-23 04:58:16.151Z	67.213° ENE	40.155°	2026-03-23 05:06:16.151Z	350.101° N
12 mins	2026-03-23 06:46:16.151Z	213.7° SW	2026-03-23 06:51:16.151Z	262.334° W	26.728°	2026-03-23 06:58:16.151Z	322.146° 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, 9977 on other resources

View DELTA 1 DEB, 9977 on Heavens-Above

View DELTA 1 DEB, 9977 on Keep Track

View DELTA 1 DEB, 9977 on Celestrak

View DELTA 1 DEB, 9977 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, 9977

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-21T18:55:35.683Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #86 in the year 1973 (1973-11-06 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 9977 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago