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

17289

Days in orbit

Revolutions

≈ 14.2

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: 1978-026EG

Object number (NORAD): 12288

Object ID (CCSDS): 12288

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 101.314 minutes

Inclination: 99.1493 deg

SMA: 7199.014 km

Apoapsis: 878.551 km

Periapsis: 763.208 km

RAAN: 155.8321 deg

Eccentricy: 0.008011

Argument of periapsis: 69.5161 deg

Mean anomaly: 48.6901 deg

Mean motion: 14.21324354 rev/day

Mean motion (dot): 0.00000942 rev/day²

B* drag term: 0.00043886 1/R_Earth

Two-line elements (TLE)

Creation date: July 4, 2025, 6:39 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 4, 2025, 11:10 a.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 12288U 78026EG 25185.46592718 .00000942 00000-0 43886-3 0 9994

TLE line 2: 2 12288 99.1493 155.8321 0080110 69.5161 48.6901 14.21324354281694

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
DTUSAT	SSO	2025-05-29 18:26:31	0.002524826	126.0 (m)	PAYLOAD
IRIDIUM 38	LEO	2025-04-14 23:09:09	0.0002708334	165.0 (m)	PAYLOAD
COSMOS 2251 DEB	LEO	2025-02-22 05:53:37	0.0001038742	404.0 (m)	DEBRIS
SL-8 R/B	LEO	2025-02-22 04:06:08	0.0001191973	136.0 (m)	ROCKET BODY
FENGYUN 1C DEB	SSO	2024-08-09 09:36:44	0.0001151776	392.0 (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

...

Go to the launch

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