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NOAA 18, 28654

Orbit data source: Space-Track

NOAA 18, 28654 is a payload satellite owned by NOAA (US) in SSO that was launched on Fri, 20 May 2005 UTC via a DELTA 7320-10C launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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https://www.satcat.com/sats-embedded/28654?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28654, 2005-018A

Orbit

SSO

Last TLE update

7 hours ago

Origin

National Oceanic and Atmospheric Administration (US)

Manufacturer

LMSS

Mission

On reserve Civil Weather

Bus & Motor

ATN, Unknown motor

Mass

1,420 kg wet, 1,416 kg dry

Launch date (UTC)

2005-05-20 (20 years ago)

Launch vehicle

DELTA 7320-10C

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 3.5 m

Radar Cross Section

11.218 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 NOAA 18
1 28654U 05018A   25224.53633353  .00000103  00000-0  77816-4 0  9992
2 28654  98.8402 303.2880 0013314 310.7502  49.2514 14.13626394 42709

Epoch: 2025-08-12T12:52Z

TLE epoch observation values (Epoch: 2025-08-12T12:52:19.217Z)

Latitude

-0°

Longitude

148.98036°

Altitude

843.617 km

Speed

7.434 km/s

True Right ascension

20h 13m 09s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-0.8847°

Longitude

149.39686°

Altitude

843.725 km

Speed

7.434 km/s

Apparent Right ascension

20h 59m 16s

Apparent Declination

-19° 32' 26"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

10:05:18

Azimuth

39.64° NE

Elevation

-65.18°

Doppler factor

Orbital elements

Apogee altitude

853.778 km

Perigee altitude

834.546 km

Semi-major axis

7,222.299 km

Eccentricity

0.00133

Inclination

98.8402°

RAAN

303.288°

Arg. of periapsis

310.7502°

True anomaly

49.36711°

Mean anomaly

49.2514°

Eccentric anomaly

49.30924°

Mean motion

3.53614 °/min

Orbital period

101.81 mins

BSTAR

0.000077816

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Other satellites on launch #18 in the year 2005 (2005-05-20 UTC)

DELTA 2 R/B, 28655 (Decayed)

NOAA 18 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
8 mins	2025-08-13 04:17:45.511Z	122.236° SE	2025-08-13 04:21:45.511Z	72.007° E	25.76°	2025-08-13 04:25:45.511Z	14.265° NNE
8 mins	2025-08-13 05:58:45.511Z	203.037° SW	2025-08-13 06:02:45.511Z	268.502° W	30.667°	2025-08-13 06:06:45.511Z	324.868° NNW
9 mins	2025-08-13 18:20:45.511Z	10.134° NNE	2025-08-13 18:24:45.511Z	238.381° WSW	44.202°	2025-08-13 18:29:45.511Z	199.435° SSW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out NOAA 18, 28654 on other resources

View NOAA 18, 28654 on NASA - NSSDCA Website

View NOAA 18, 28654 on Heavens-Above

View NOAA 18, 28654 on Keep Track

View NOAA 18, 28654 on Celestrak

View NOAA 18, 28654 on Gunter's Space Page

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