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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28654 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
LMSS
Mission
Non-operational Civil Weather
Bus & Motor
ATN, Unknown motor
Mass
1,420 kg wet, 1,416 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 6.0 m
Radar Cross Section
11.218 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 NOAA 18
1 28654U 05018A 25272.24151787 .00000203 00000-0 13078-3 0 9999
2 28654 98.8353 350.4280 0014509 168.5543 191.5962 14.13643353 49443Epoch: 2025-09-29T05:47Z
TLE epoch observation values (Epoch: 2025-09-29T05:47:47.143Z)
Latitude
-0.00007°
Longitude
-104.76647°
Altitude
860.104 km
Speed
7.417 km/s
True Right ascension
23h 21m 42s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:43:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
854.583 km
Perigee altitude
833.625 km
Semi-major axis
7,222.241 km
Eccentricity
0.00145
Inclination
98.8353°
RAAN
350.428°
Arg. of periapsis
168.5543°
True anomaly
191.56284°
Mean anomaly
191.5962°
Eccentric anomaly
191.57951°
Mean motion
3.53619 °/min
Orbital period
101.8 mins
BSTAR
0.00013078
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Other satellites on launch #18 in the year 2005 (2005-05-20 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-09-30 04:03:00.953Z | 98.336° ESE | 2025-09-30 04:06:00.953Z | 57.403° ENE | 19.776° | 2025-09-30 04:09:00.953Z | 20.936° NNE |
| 9 mins | 2025-09-30 05:42:00.953Z | 188.921° SSW | 2025-09-30 05:46:00.953Z | 267.067° W | 38.374° | 2025-09-30 05:51:00.953Z | 335.823° NNW |
| 9 mins | 2025-09-30 18:04:00.953Z | 21.008° NNE | 2025-09-30 18:08:00.953Z | 126.851° SE | 43.324° | 2025-09-30 18:13:00.953Z | 187.297° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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