THORAD DELTA 1 DEB

Satellite information

Favourite Embed

Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite THORAD DELTA 1 DEB at a glance.

Uptime

18613

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: 115.344 minutes

Inclination: 103.0309 deg

SMA: 7849.168 km

Apoapsis: 1609.332 km

Periapsis: 1332.735 km

RAAN: 195.4415 deg

Eccentricy: 0.01761955

Argument of periapsis: 46.555 deg

Mean anomaly: 74.5151 deg

Mean motion: 12.48438887 rev/day

Mean motion (dot): 0.00003236 rev/day²

B* drag term: 0.020843647 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 30, 2025, 10:34 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 30, 2025, 5:50 a.m. UTC

TLE line 0: 0 THORAD DELTA 1 DEB

TLE line 1: 1 09989U 74089EG 25303.24371057 .00003236 00000-0 20844-1 0 9998

TLE line 2: 2 09989 103.0309 195.4415 0176196 46.5550 74.5151 12.48438887272790

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

...

Go to the launch

Latest news about this satellite

There are no fresh news available about this satellite. Check back as we update our databases every day.

Return to all satellites

Embed the widget

Just copy the snippet below and paste it as HTML in your article, presentation, e-mail, blog post or website.

<iframe src="https://obdh.space/embed/satcat/9989/" width="400" height="720" frameborder="0"></iframe>

Real-time statistics and tracking

The widget will always be up to date. All data, statistics and tracking map are automatically refreshed in real-time. Check the examples below!

Widget preview

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.