DELTA 1 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite DELTA 1 DEB at a glance.

Uptime

17351

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for DELTA 1 DEB.

Object identification

Identified? True

Debris? True

Object name: DELTA 1 DEB

International designator: 1978-026EY

Object number (NORAD): 13561

Object ID (CCSDS): 13561

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 100.409 minutes

Inclination: 99.0222 deg

SMA: 7156.075 km

Apoapsis: 868.995 km

Periapsis: 686.885 km

RAAN: 106.242 deg

Eccentricy: 0.01272415

Argument of periapsis: 54.9061 deg

Mean anomaly: 68.7204 deg

Mean motion: 14.34136443 rev/day

Mean motion (dot): 0.00007267 rev/day²

B* drag term: 0.0023840626 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 4, 2025, 10:13 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 4, 2025, 4:28 a.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 13561U 78026EY 25247.18615397 .00007267 00000-0 23841-2 0 9991

TLE line 2: 2 13561 99.0222 106.2420 0127241 54.9061 68.7204 14.34136443255630

Live tracking on map

Real-time ground track for satellite DELTA 1 DEB.

In-orbit conjunctions

A list of the most updated potential collisions computed for object DELTA 1 DEB.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
SL-8 DEB *	LEO	2025-07-02 18:40:53	0.0001513901	267.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-01-23 22:22:00	0.000105638	98.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-11-28 08:38:18	0.0001444647	308.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2024-11-14 07:47:10	0.000160007	269.0 (m)	DEBRIS
KITSAT 3	SSO	2024-11-10 20:31:55	0.0001589543	454.0 (m)	PAYLOAD

Associated space launch

Earth observation satellite

DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Landsat 3’, on board a Delta 2910 space rocket.

The launch took place on March 5, 1978, 5:54 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Delta 2910 | Landsat 3

Agency: N/A

Status: Launch Successful

Launch date: March 5, 1978, 5:54 p.m. UTC

Rocket: Delta 2910

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

...

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