NOAA 11

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite NOAA 11 at a glance.

Uptime

13538

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.6

Latest

Satellite identification and parameters

Extended collection of information and parameters for NOAA 11.

Object identification

Identified? True

Debris? False

Object name: NOAA 11

International designator: 1988-089A

Object number (NORAD): 19531

Object ID (CCSDS): 19531

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.711 minutes

Inclination: 98.587 deg

SMA: 7217.804 km

Apoapsis: 846.842 km

Periapsis: 832.497 km

RAAN: 239.9133 deg

Eccentricy: 0.00099374

Argument of periapsis: 274.5778 deg

Mean anomaly: 85.4261 deg

Mean motion: 14.15777777 rev/day

Mean motion (dot): 0.00000136 rev/day²

B* drag term: 0.000090538797 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 18, 2025, 2:17 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 17, 2025, 9:20 p.m. UTC

TLE line 0: 0 NOAA 11

TLE line 1: 1 19531U 88089A 25290.88935536 .00000136 00000-0 90539-4 0 9997

TLE line 2: 2 19531 98.5870 239.9133 0009937 274.5778 85.4261 14.15777777913198

Live tracking on map

Real-time ground track for satellite NOAA 11.

In-orbit conjunctions

A list of the most updated potential collisions computed for object NOAA 11.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
DMSP 5D-2 F13 DEB	SSO	2025-07-19 02:11:32	0.0001761719	451.0 (m)	DEBRIS
CZ-6A DEB	LEO	2025-06-25 11:54:36	0.00100638	222.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2025-06-15 04:56:43	0.000391218	747.0 (m)	DEBRIS
SL-24 DEB	SSO	2025-06-13 01:58:13	0.0002450955	606.0 (m)	DEBRIS
METEOR 2-8 DEB	LEO	2025-04-19 07:30:43	0.0001412932	377.0 (m)	DEBRIS

Associated space launch

Fourth generation NOAA meteorological satellite

NOAA 11 was lifted into orbit during the mission ‘Atlas E | NOAA 11’, on board a Atlas E space rocket.

The launch took place on Sept. 24, 1988, 10:02 a.m. from Space Launch Complex 3W.

For more information about the launch, click the button.

Atlas E | NOAA 11

Agency: N/A

Status: Launch Successful

Launch date: Sept. 24, 1988, 10:02 a.m. UTC

Rocket: Atlas E

Launch pad: Space Launch Complex 3W

Location: Vandenberg SFB, CA, USA

...

Go to the launch

Latest news about this satellite

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