DIADEME 1

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite DIADEME 1 at a glance.

Uptime

21334

Days in orbit

Revolutions

≈ 14.7

Per day

Orbit

LEO

Low Earth Orbit

Inclination

39.9

Latest

Satellite identification and parameters

Extended collection of information and parameters for DIADEME 1.

Object identification

Identified? True

Debris? False

Object name: DIADEME 1

International designator: 1967-011A

Object number (NORAD): 2674

Object ID (CCSDS): 2674

Country: FRANCE (FR)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 97.994 minutes

Inclination: 39.9185 deg

SMA: 7040.858 km

Apoapsis: 817.795 km

Periapsis: 507.651 km

RAAN: 24.1736 deg

Eccentricy: 0.0220246

Argument of periapsis: 35.614 deg

Mean anomaly: 325.9119 deg

Mean motion: 14.69482438 rev/day

Mean motion (dot): 0.0000333 rev/day²

B* drag term: 0.00039777 1/R_Earth

Two-line elements (TLE)

Creation date: July 6, 2025, 10:26 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 6, 2025, 9:09 p.m. UTC

TLE line 0: 0 DIADEME 1

TLE line 1: 1 2674U 67011A 25187.88172879 .00003330 00000-0 39777-3 0 9992

TLE line 2: 2 2674 39.9185 24.1736 0220246 35.6140 325.9119 14.69482438 38712

Live tracking on map

Real-time ground track for satellite DIADEME 1.

In-orbit conjunctions

A list of the most updated potential collisions computed for object DIADEME 1.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
CZ-4 DEB	SSO	2025-06-13 05:45:20	0.0001326803	852.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2025-05-27 16:40:11	0.0001658944	825.0 (m)	DEBRIS
CZ-6A DEB	LEO	2025-04-21 11:45:41	0.0003353897	109.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2024-09-02 23:58:50	0.0001355611	53.0 (m)	DEBRIS
DMSP 5D-2 F13 DEB	SSO	2024-08-07 05:24:57	0.0001858715	523.0 (m)	DEBRIS

Associated space launch

French geodetic study satellite.

DIADEME 1 was lifted into orbit during the mission ‘Diamant A | Diademe D-1C’, on board a Diamant A space rocket.

The launch took place on Feb. 8, 1967, 9:39 a.m. from Brigitte.

For more information about the launch, click the button.

Diamant A | Diademe D-1C

Agency: N/A

Status: Launch Successful

Launch date: Feb. 8, 1967, 9:39 a.m. UTC

Rocket: Diamant A

Launch pad: Brigitte

Location: Interarmy Special Vehicles Test Centre, French Algeria

...

Go to the launch

Latest news about this satellite

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