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

17346

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.6

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: 1978-026HA

Object number (NORAD): 17768

Object ID (CCSDS): 17768

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 99.747 minutes

Inclination: 98.6161 deg

SMA: 7124.614 km

Apoapsis: 799.836 km

Periapsis: 693.122 km

RAAN: 250.0544 deg

Eccentricy: 0.00748908

Argument of periapsis: 254.466 deg

Mean anomaly: 236.1076 deg

Mean motion: 14.43646101 rev/day

Mean motion (dot): 0.00000928 rev/day²

B* drag term: 0.00027815801 1/R_Earth

Two-line elements (TLE)

Creation date: Aug. 28, 2025, 11:13 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 28, 2025, 1:59 p.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 17768U 78026HA 25240.58270534 .00000928 00000-0 27816-3 0 9995

TLE line 2: 2 17768 98.6161 250.0544 0074891 254.4660 236.1076 14.43646101280115

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
COSMOS 1275 DEB	LEO	2025-07-12 04:48:49	0.0001031576	187.0 (m)	DEBRIS
PSLV DEB	SSO	2025-06-13 04:33:50	0.0001047376	501.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2024-12-19 20:00:56	0.0003203698	103.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2024-11-02 08:05:40	0.0001982508	80.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2024-10-17 12:02:05	0.0002427433	125.0 (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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