DELTA 1 DEB, 18870

Orbit data source: Space-Track

DELTA 1 DEB, 18870 is space debris in LEO 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/18870?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

18870, 1973-086HA

Orbit

LEO

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 (53 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

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 1 week ago

TLE from 1 week ago

0 DELTA 1 DEB
1 18870U 73086HA  26286.73002959 -.00000410  00000-0 -40485-2 0  9997
2 18870 101.7722 199.6579 0353482 300.4355  56.2203 11.95526204597225

Epoch: 2026-10-13T17:31Z

TLE epoch observation values (Epoch: 2026-10-13T17:31:14.556Z)

Latitude

-0.0001°

Longitude

-85.44264°

Altitude

1,551.831 km

Speed

7.157 km/s

True Right ascension

13h 18m 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

05:48:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,984.066 km

Perigee altitude

1,413.072 km

Semi-major axis

8,076.706 km

Eccentricity

0.03535

Inclination

101.7722°

RAAN

199.6579°

Arg. of periapsis

300.4355°

True anomaly

59.6697°

Mean anomaly

56.2203°

Eccentric anomaly

57.93667°

Mean motion

2.99014 °/min

Orbital period

120.4 mins

BSTAR

-0.0040485

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

DELTA 1 DEB, 42580 (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.
16 mins	2026-10-23 16:38:59.317Z	115.486° SE	2026-10-23 16:45:59.317Z	62.174° ENE	38.399°	2026-10-23 16:54:59.317Z	356.739° N
18 mins	2026-10-23 18:35:59.317Z	181.687° SSW	2026-10-23 18:43:59.317Z	259.574° W	60.08°	2026-10-23 18:53:59.317Z	336.248° NNW
13 mins	2026-10-24 05:16:59.317Z	49.691° ENE	2026-10-24 05:22:59.317Z	87.099° E	20.658°	2026-10-24 05:29:59.317Z	131.819° SE
19 mins	2026-10-24 07:12:59.317Z	17.977° NNE	2026-10-24 07:22:59.317Z	171.965° S	84.117°	2026-10-24 07:31:59.317Z	198.565° SSW
15 mins	2026-10-24 09:11:59.317Z	356.255° N	2026-10-24 09:18:59.317Z	311.067° NW	27.747°	2026-10-24 09:26:59.317Z	258.807° W

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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, 18870 on other resources

View DELTA 1 DEB, 18870 on Heavens-Above

View DELTA 1 DEB, 18870 on Keep Track

View DELTA 1 DEB, 18870 on Celestrak

View DELTA 1 DEB, 18870 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, 18870

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-10-13T17:31:14.556Z)

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, 18870 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago