THORAD DELTA 1 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite THORAD DELTA 1 DEB at a glance.

Uptime

18563

Days in orbit

Revolutions

≈ 12.5

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

103.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for THORAD DELTA 1 DEB.

Object identification

Identified? True

Debris? True

Object name: THORAD DELTA 1 DEB

International designator: 1974-089EG

Object number (NORAD): 9989

Object ID (CCSDS): 9989

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 115.37 minutes

Inclination: 103.0203 deg

SMA: 7850.348 km

Apoapsis: 1583.15 km

Periapsis: 1361.276 km

RAAN: 140.1058 deg

Eccentricy: 0.01413149

Argument of periapsis: 141.1541 deg

Mean anomaly: 340.9377 deg

Mean motion: 12.48157445 rev/day

Mean motion (dot): 0.00001855 rev/day²

B* drag term: 0.012378411 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 9, 2025, 10:35 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 9, 2025, 6:34 a.m. UTC

TLE line 0: 0 THORAD DELTA 1 DEB

TLE line 1: 1 09989U 74089EG 25252.27364486 .00001855 00000-0 12378-1 0 9990

TLE line 2: 2 09989 103.0203 140.1058 0141315 141.1541 340.9377 12.48157445266432

Live tracking on map

Real-time ground track for satellite THORAD DELTA 1 DEB.

In-orbit conjunctions

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

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 1040	LEO	2025-08-22 18:57:15	0.0003964784	535.0 (m)	PAYLOAD

Associated space launch

Meteorological satellite using radiometric imaging

THORAD DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2310 | NOAA 4’, on board a Delta 2310 space rocket.

The launch took place on Nov. 15, 1974, 5:11 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Delta 2310 | NOAA 4

Agency: N/A

Status: Launch Successful

Launch date: Nov. 15, 1974, 5:11 p.m. UTC

Rocket: Delta 2310

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

...

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