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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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Iframe URL

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

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ISO8601 Format

Identifier

28654, 2005-018A

Orbit

SSO

Country

Related business

National Oceanic and Atmospheric Administration (US)

Manufacturer

LMSS

Mission

Non-operational Civil Weather

Bus & Motor

ATN, Unknown motor

Mass

1,420 kg wet, 1,416 kg dry

Launch date (UTC)

2005-05-20 (21 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, 6.0 m

Radar Cross Section

11.218 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 NOAA 18
1 28654U 05018A   26094.87015575  .00000091  00000-0  71220-4 0  9994
2 28654  98.8123 175.6063 0014182   3.9935 356.1348 14.13716487 75959

Epoch: 2026-04-04T20:53Z

TLE epoch observation values (Epoch: 2026-04-04T20:53:01.456Z)

Latitude

-0.00008°

Longitude

29.16652°

Altitude

839.359 km

Speed

7.438 km/s

True Right ascension

11h 42m 25s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

15:03:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

854.096 km

Perigee altitude

833.611 km

Semi-major axis

7,221.991 km

Eccentricity

0.00142

Inclination

98.8123°

RAAN

175.6063°

Arg. of periapsis

3.9935°

True anomaly

356.12383°

Mean anomaly

356.1348°

Eccentric anomaly

356.12931°

Mean motion

3.53637 °/min

Orbital period

101.8 mins

BSTAR

0.00007122

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

DELTA 2 R/B, 28655 (Decayed)

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NOAA 18 Visibility forecast

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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.
10 mins	2026-04-05 17:50:30.239Z	23.151° NE	2026-04-05 17:55:30.239Z	90.553° ESE	39.259°	2026-04-05 18:00:30.239Z	176.755° S
6 mins	2026-04-05 19:33:30.239Z	329.077° NNW	2026-04-05 19:35:30.239Z	302.94° NW	19.071°	2026-04-05 19:39:30.239Z	253.764° W
9 mins	2026-04-06 05:16:30.239Z	165.197° S	2026-04-06 05:20:30.239Z	169.269° S	44.586°	2026-04-06 05:25:30.239Z	346.126° N

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

NOAA 18, 28654

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-04-04T20:53:01.456Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

NOAA 18 Visibility forecast

Co-orbital & Co-planar RSOs

Check out NOAA 18, 28654 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago