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

17450

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.2

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: 1978-026AA

Object number (NORAD): 12185

Object ID (CCSDS): 12185

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 101.631 minutes

Inclination: 99.2359 deg

SMA: 7214.045 km

Apoapsis: 901.378 km

Periapsis: 770.443 km

RAAN: 324.8446 deg

Eccentricy: 0.009075

Argument of periapsis: 105.214 deg

Mean anomaly: 310.8382 deg

Mean motion: 14.1688454 rev/day

Mean motion (dot): 0.00001139 rev/day²

B* drag term: 0.0005681 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 7:16 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 11, 2025, 10:18 p.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 12185U 78026AA 25345.92974946 .00001139 00000-0 56810-3 0 9996

TLE line 2: 2 12185 99.2359 324.8446 0090750 105.2140 310.8382 14.16884540302811

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 R/B	LEO	2025-01-08 01:10:21	0.0001034328	907.0 (m)	ROCKET BODY
CZ-6A DEB	SSO	2024-11-15 01:13:24	0.0001121043	185.0 (m)	DEBRIS
SL-3 R/B	LEO	2024-10-01 23:34:03	0.0001035031	517.0 (m)	ROCKET BODY

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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