NOAA 18

Photo NOAA 18

28654
Spacetrack Directory Number
2005-05-20
Orbit launches
858.45 km
Average height
26729.5 km/h
Average velocity


Satellite information NOAA 18

Spacetrack Directory Name NOAA 18
Follow NOAA 18 NOAA 18 Tracker
Pass predictions NOAA 18 Pass predictions NOAA 18
Orbit launches 2005-05-20 g.02:00 (21 years ago)
Days in orbit 7765
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
WWW Here
Categories
Perigee 840 km
Apogee 861 km
Orbit slope (inclination) 98.81°
Laps per day 14
Orbit LEO (Sun-Synchronous)
Height NOAA 18 858.45 km

Additional information NOAA 18

NOAA-18, known before launch as NOAA-N, is a weather forecasting satellite run by NOAA. NOAA-N (18) was launched on May 20, 2005, into a sun-synchronous orbit at an altitude of 854 km above the Earth, with an orbital period of 102 minutes. It hosts the AMSU-A, MHS, AVHRR, Space Environment Monitor SEM/2 instrument and High Resolution Infrared Radiation Sounder (HIRS) instruments, as well as the SBUV/2 ozone-monitoring instrument. It is the first NOAA POES satellite to use MHS in place of AMSU-B. NOAA-18 also hosts Cospas-Sarsat payloads.
APT transmission frequency is 137.9125 MHz (NOAA-18 changed frequencies with NOAA-19 on June 23, 2009).

satellite NOAA 18 Date of exalting 20.05.2005y. Average height of ISS NOAA 18 hundred 858.45 km. Average velocity NOAA 18 is 26729.5 km/h. Inclination NOAA 18 satellite 98.81°.

TLE



Average orbit height NOAA 18

Average velocity NOAA 18

Average inclination NOAA 18

Mean right ascension of the ascending node (RAAN) NOAA 18

Mean argument of perigee NOAA 18

Mean semi-major axis of the orbit NOAA 18

Mean orbital eccentricity NOAA 18

Frequency NOAA 18

In the table below we show the frequencies NOAA 18.

Downlink
137.9125/1707.000 MHz

Update time: 2026-08-23 20:00:24
Average height of ISS NOAA 18 is: 858.45km
Average velocity NOAA 18 is: 26729.5km/h
Average orbit height NOAA 18 is: 98.81°
NOAA 18 a new group of Starlink satellites has been launched 2005-05-20
NOAA 18 is from 7765 days Days in orbit.