NOAA 7

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite NOAA 7 at a glance.

Uptime

16244

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.8

Latest

Satellite identification and parameters

Extended collection of information and parameters for NOAA 7.

Object identification

Identified? True

Debris? False

Object name: NOAA 7

International designator: 1981-059A

Object number (NORAD): 12553

Object ID (CCSDS): 12553

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.569 minutes

Inclination: 98.8224 deg

SMA: 7211.101 km

Apoapsis: 841.943 km

Periapsis: 823.989 km

RAAN: 49.8657 deg

Eccentricy: 0.00124491

Argument of periapsis: 84.3193 deg

Mean anomaly: 275.9401 deg

Mean motion: 14.17752395 rev/day

Mean motion (dot): 0.00000111 rev/day²

B* drag term: 0.000076086974 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 3:36 a.m. UTC

TLE line 0: 0 NOAA 7

TLE line 1: 1 12553U 81059A 25346.15043944 .00000111 00000-0 76087-4 0 9994

TLE line 2: 2 12553 98.8224 49.8657 0012449 84.3193 275.9401 14.17752395298245

Live tracking on map

Real-time ground track for satellite NOAA 7.

In-orbit conjunctions

A list of the most updated potential collisions computed for object NOAA 7.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
SL-16 R/B DEB	LEO	2025-11-25 07:00:05	0.0002398707	666.0 (m)	DEBRIS
COSMOS 1980	LEO	2025-11-10 05:41:22	0.05888652	43.0 (m)	PAYLOAD
THORAD AGENA D DEB	SSO	2025-07-22 03:27:08	0.0001801788	404.0 (m)	DEBRIS
METEOR 1-17 DEB	LEO	2025-04-17 06:29:31	0.0001048313	423.0 (m)	DEBRIS
METEOR 1-17 DEB	LEO	2025-04-17 04:47:54	0.0004020784	181.0 (m)	DEBRIS

Associated space launch

Third generation LEO meteorological satellite

NOAA 7 was lifted into orbit during the mission ‘Atlas F | NOAA 7’, on board a Atlas F space rocket.

The launch took place on June 23, 1981, 10:52 a.m. from Space Launch Complex 3W.

For more information about the launch, click the button.

Atlas F | NOAA 7

Agency: N/A

Status: Launch Successful

Launch date: June 23, 1981, 10:52 a.m. UTC

Rocket: Atlas F

Launch pad: Space Launch Complex 3W

Location: Vandenberg SFB, CA, USA

...

Go to the launch

Latest news about this satellite

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