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

18662

Days in orbit

Revolutions

≈ 12.7

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

101.4

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: 1974-089DD

Object number (NORAD): 8566

Object ID (CCSDS): 8566

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 113.658 minutes

Inclination: 101.3846 deg

SMA: 7772.49 km

Apoapsis: 1461.807 km

Periapsis: 1326.902 km

RAAN: 67.8923 deg

Eccentricy: 0.00867837

Argument of periapsis: 69.3551 deg

Mean anomaly: 84.4971 deg

Mean motion: 12.66958857 rev/day

Mean motion (dot): -0.0000022 rev/day²

B* drag term: -0.00090791324 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 19, 2025, 2:08 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 18, 2025, 4:19 p.m. UTC

TLE line 0: 0 THORAD DELTA 1 DEB

TLE line 1: 1 08566U 74089DD 25352.68038208 -.00000220 00000-0 -90791-3 0 9990

TLE line 2: 2 08566 101.3846 67.8923 0086784 69.3551 84.4971 12.66958857275999

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 766	LEO	2024-08-24 04:36:15	0.001788978	271.0 (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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