DELTA 1 DEB, 13561

Orbit data source: Space-Track

DELTA 1 DEB, 13561 is space debris in SSO originally from a launch on Sun, 05 Mar 1978 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/13561?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

13561, 1978-026EY

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1978-03-05 (48 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: 3 days ago

TLE from 3 days ago

0 DELTA 1 DEB
1 13561U 78026EY  26171.11181556  .00003257  00000-0  10143-2 0  9992
2 13561  99.0011  48.3494 0117773 288.6507 228.5791 14.37768701297109

Epoch: 2026-06-20T02:41Z

TLE epoch observation values (Epoch: 2026-06-20T02:41:00.864Z)

Latitude

23.48373°

Longitude

-76.30985°

Altitude

824.959 km

Speed

7.413 km/s

True Right ascension

15h 29m 05s

True Declination

23° 21' 34"

Sunlit

Object was in full shadow 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

10:58:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

847.132 km

Perigee altitude

678.925 km

Semi-major axis

7,141.166 km

Eccentricity

0.01178

Inclination

99.0011°

RAAN

48.3494°

Arg. of periapsis

288.6507°

True anomaly

227.57691°

Mean anomaly

228.5791°

Eccentric anomaly

228.07703°

Mean motion

3.59658 °/min

Orbital period

100.1 mins

BSTAR

0.0010143

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Other satellites on launch #26 in the year 1978 (1978-03-05 UTC)

DELTA 1 DEB, 12206

DELTA 1 DEB, 13826

DELTA 1 DEB, 12280 (Decayed)

DELTA 1 DEB, 12184 (Decayed)

DELTA 1 DEB, 12236

DELTA 1 DEB, 20047 (Decayed)

DELTA 1 DEB, 12251 (Decayed)

DELTA 1 DEB, 14465

DELTA 1 DEB, 12268 (Decayed)

DELTA 1 DEB, 12233 (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	2026-06-23 04:01:46.058Z	35.642° NE	2026-06-23 04:05:46.058Z	89.728° E	29.387°	2026-06-23 04:10:46.058Z	161.528° S
7 mins	2026-06-23 05:41:46.058Z	342.23° N	2026-06-23 05:44:46.058Z	295.921° NW	27.026°	2026-06-23 05:48:46.058Z	238.403° WSW
8 mins	2026-06-23 15:15:46.058Z	136.481° SSE	2026-06-23 15:19:46.058Z	60.471° ENE	35.789°	2026-06-23 15:23:46.058Z	1.294° NNE
6 mins	2026-06-23 16:55:46.058Z	226.832° WSW	2026-06-23 16:58:46.058Z	268.702° W	20.038°	2026-06-23 17:01:46.058Z	308.194° NW

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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, 13561 on other resources

View DELTA 1 DEB, 13561 on Heavens-Above

View DELTA 1 DEB, 13561 on Keep Track

View DELTA 1 DEB, 13561 on Celestrak

View DELTA 1 DEB, 13561 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, 13561

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-20T02:41:00.864Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #26 in the year 1978 (1978-03-05 UTC)

DELTA 1 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 DEB, 13561 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago