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

18607

Days in orbit

Revolutions

≈ 12.7

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

101.2

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: 1974-089DB

Object number (NORAD): 8564

Object ID (CCSDS): 8564

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 113.473 minutes

Inclination: 101.2443 deg

SMA: 7764.054 km

Apoapsis: 1416.978 km

Periapsis: 1354.86 km

RAAN: 194.0149 deg

Eccentricy: 0.00400035

Argument of periapsis: 129.6724 deg

Mean anomaly: 23.3933 deg

Mean motion: 12.69024324 rev/day

Mean motion (dot): 0.0000139 rev/day²

B* drag term: 0.0072918002 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 21, 2025, 6:24 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 21, 2025, 4:57 a.m. UTC

TLE line 0: 0 THORAD DELTA 1 DEB

TLE line 1: 1 08564U 74089DB 25294.20683941 .00001390 00000-0 72918-2 0 9998

TLE line 2: 2 08564 101.2443 194.0149 0040003 129.6724 23.3933 12.69024324343428

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 1642	LEO	2025-06-22 00:33:16	0.0008348655	66.0 (m)	PAYLOAD
DELTA 1 DEB	SSO	2025-06-13 13:12:00	0.0001367731	104.0 (m)	DEBRIS
COSMOS 2115	LEO	2024-12-24 13:46:46	0.0001835077	386.0 (m)	PAYLOAD
COSMOS 2145	LEO	2024-12-11 19:18:10	0.00294802	16.0 (m)	PAYLOAD
COSMOS 445	LEO	2024-11-05 11:35:31	0.0001910237	897.0 (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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