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NOAA 4, 7529

Orbit data source: Space-Track

NOAA 4, 7529 is a payload satellite owned by NOAA (US) in SSO that was launched on Fri, 15 Nov 1974 UTC via a DELTA 2310 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/7529?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

7529, 1974-089A

Orbit

SSO

Last TLE update

1 day ago

Origin

National Oceanic and Atmospheric Administration (US)

Manufacturer

RCA/East Windsor

Mission

Non-operational Civil Weather

Bus & Motor

TIROS M, Unknown motor

Mass

345 kg wet, 345 kg dry

Launch date (UTC)

1974-11-15 (51 years ago)

Launch vehicle

DELTA 2310

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Poly + 3 Pan, 1.25 m

Radar Cross Section

1.292 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 NOAA 4
1 07529U 74089A   25177.48373181 -.00000046  00000-0  35483-5 0  9997
2 07529 102.0041 181.4894 0009192 152.5016   1.9523 12.53195040314962

Epoch: 2025-06-26T11:36Z

TLE epoch observation values (Epoch: 2025-06-26T11:36:34.428Z)

Latitude

24.97399°

Longitude

-81.84885°

Altitude

1,446.682 km

Speed

7.144 km/s

True Right ascension

00h 28m 34s

True Declination

24° 51' 15"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

40.88474°

Longitude

82.96343°

Altitude

1,459.071 km

Speed

7.136 km/s

Apparent Right ascension

11h 23m 23s

Apparent Declination

5° 28' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:18:00

Azimuth

358.12° N

Elevation

-44.597°

Doppler factor

Orbital elements

Apogee altitude

1,455.912 km

Perigee altitude

1,441.523 km

Semi-major axis

7,826.854 km

Eccentricity

0.00092

Inclination

102.0041°

RAAN

181.4894°

Arg. of periapsis

152.5016°

True anomaly

Unknown

Mean anomaly

1.9523°

Eccentric anomaly

Unknown

Mean motion

3.13446 °/min

Orbital period

114.85 mins

BSTAR

0.0000035483

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Other satellites on launch #89 in the year 1974 (1974-11-15 UTC)

THORAD DELTA 1 DEB, 8160

THORAD DELTA 1 DEB, 8161

THORAD DELTA 1 DEB, 8162

THORAD DELTA 1 DEB, 8163

THORAD DELTA 1 DEB, 8164

THORAD DELTA 1 DEB, 8165

THORAD DELTA 1 DEB, 8166

THORAD DELTA 1 DEB, 8167

THORAD DELTA 1 DEB, 8168

THORAD DELTA 1 DEB, 8169

THORAD DELTA 1 DEB, 8170

THORAD DELTA 1 DEB, 8171 (Decayed)

THORAD DELTA 1 DEB, 8172

THORAD DELTA 1 DEB, 8173

NOAA 4 Visibility forecast

Observer location: undefined°, undefined°

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.
14 mins	2025-06-27 12:20:05.037Z	34.888° NE	2025-06-27 12:27:05.037Z	101.104° ESE	32.471°	2025-06-27 12:34:05.037Z	164.843° S
14 mins	2025-06-27 14:13:05.037Z	3.852° NNE	2025-06-27 14:20:05.037Z	291.292° WNW	35.914°	2025-06-27 14:27:05.037Z	228.961° WSW
4 mins	2025-06-27 21:33:05.037Z	54.552° ENE	2025-06-27 21:34:05.037Z	47.192° ENE	11.638°	2025-06-27 21:37:05.037Z	25.32° NE
14 mins	2025-06-27 23:19:05.037Z	134.367° SE	2025-06-27 23:25:05.037Z	73.755° E	38.822°	2025-06-27 23:33:05.037Z	351.661° N
12 mins	2025-06-28 01:13:05.037Z	209.151° SW	2025-06-28 01:18:05.037Z	257.369° W	28.993°	2025-06-28 01:25:05.037Z	321.589° NNW
6 mins	2025-06-28 11:24:05.037Z	69.051° E	2025-06-28 11:27:05.037Z	92.707° ESE	14.441°	2025-06-28 11:30:05.037Z	115.762° SE

Authenticating...

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Check out NOAA 4, 7529 on other resources

View NOAA 4, 7529 on NASA - NSSDCA Website

View NOAA 4, 7529 on Heavens-Above

View NOAA 4, 7529 on Keep Track

View NOAA 4, 7529 on Celestrak

View NOAA 4, 7529 on Gunter's Space Page

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