NOAA 11

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite NOAA 11 at a glance.

Uptime

13594

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: 101.709 minutes

Inclination: 98.5974 deg

SMA: 7217.739 km

Apoapsis: 848.305 km

Periapsis: 830.903 km

RAAN: 293.3479 deg

Eccentricy: 0.00120545

Argument of periapsis: 112.2018 deg

Mean anomaly: 248.0437 deg

Mean motion: 14.15797072 rev/day

Mean motion (dot): 0.00000133 rev/day²

B* drag term: 0.000088890745 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, 7:06 a.m. UTC

TLE line 0: 0 NOAA 11

TLE line 1: 1 19531U 88089A 25346.29615288 .00000133 00000-0 88891-4 0 9998

TLE line 2: 2 19531 98.5974 293.3479 0012055 112.2018 248.0437 14.15797072921034

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
COSMOS 1275 DEB	LEO	2025-10-24 11:03:16	0.0001556553	953.0 (m)	DEBRIS
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

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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