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

17352

Days in orbit

Revolutions

≈ 14.1

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.1

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: 1978-026EJ

Object number (NORAD): 12290

Object ID (CCSDS): 12290

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 101.895 minutes

Inclination: 99.1184 deg

SMA: 7226.501 km

Apoapsis: 907.342 km

Periapsis: 789.39 km

RAAN: 241.3004 deg

Eccentricy: 0.0081611

Argument of periapsis: 24.6452 deg

Mean anomaly: 335.8586 deg

Mean motion: 14.13222885 rev/day

Mean motion (dot): 0.00000773 rev/day²

B* drag term: 0.0004240534 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 6, 2025, 2:09 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 5, 2025, 9:44 p.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 12290U 78026EJ 25248.90608086 .00000773 00000-0 42405-3 0 9990

TLE line 2: 2 12290 99.1184 241.3004 0081611 24.6452 335.8586 14.13222885273637

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
FENGYUN 1C DEB	SSO	2025-03-10 02:47:06	0.0001444727	342.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-12-03 07:26:13	0.0001665209	75.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2024-11-09 10:38:02	0.0008329825	356.0 (m)	DEBRIS

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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