NOAA 7

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite NOAA 7 at a glance.

Uptime

16085

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: 101.572 minutes

Inclination: 98.8425 deg

SMA: 7211.241 km

Apoapsis: 841.471 km

Periapsis: 824.741 km

RAAN: 251.8284 deg

Eccentricy: 0.00116

Argument of periapsis: 172.4975 deg

Mean anomaly: 187.6376 deg

Mean motion: 14.17711114 rev/day

Mean motion (dot): 0.00000037 rev/day²

B* drag term: 0.000040153 1/R_Earth

Two-line elements (TLE)

Creation date: July 6, 2025, 6:05 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 6, 2025, 5:10 a.m. UTC

TLE line 0: 0 NOAA 7

TLE line 1: 1 12553U 81059A 25187.21577524 .00000037 00000-0 40153-4 0 9992

TLE line 2: 2 12553 98.8425 251.8284 0011600 172.4975 187.6376 14.17711114275726

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
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
DMSP 5D-2 F13 DEB	SSO	2025-04-15 04:35:59	0.0004814101	283.0 (m)	DEBRIS
PSLV R/B	SSO	2025-03-04 01:20:44	0.0001157484	981.0 (m)	ROCKET BODY
FENGYUN 1C DEB	SSO	2024-12-24 00:08:30	0.0006718738	744.0 (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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