DIADEME 1

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite DIADEME 1 at a glance.

Uptime

21495

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: 97.815 minutes

Inclination: 39.9152 deg

SMA: 7032.292 km

Apoapsis: 802.18 km

Periapsis: 506.134 km

RAAN: 234.695 deg

Eccentricy: 0.02104907

Argument of periapsis: 54.3869 deg

Mean anomaly: 307.6326 deg

Mean motion: 14.72168205 rev/day

Mean motion (dot): 0.0000714 rev/day²

B* drag term: 0.00080112751 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 14, 2025, 6:24 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 14, 2025, 2:03 a.m. UTC

TLE line 0: 0 DIADEME 1

TLE line 1: 1 02674U 67011A 25348.08581822 .00007140 00000-0 80113-3 0 9998

TLE line 2: 2 02674 39.9152 234.6950 0210491 54.3869 307.6326 14.72168205 62798

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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