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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 src="https://www.satcat.com/sats-embedded/7529?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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

9 hours 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 9 hours ago

0 NOAA 4
1  7529U 74089A   25169.95208743 -.00000033  00000-0  86305-4 0  9995
2  7529 102.0026 173.8784 0009100 166.5518 223.2237 12.53195044314267

Epoch: 2025-06-18T22:51Z

TLE epoch observation values (Epoch: 2025-06-18T22:51:00.353Z)

Latitude

29.03767°

Longitude

-83.04485°

Altitude

1,459.661 km

Speed

7.133 km/s

True Right ascension

11h 08m 32s

True Declination

28° 54' 18"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-20.13279°

Longitude

99.61272°

Altitude

1,452.604 km

Speed

7.138 km/s

Apparent Right ascension

01h 49m 48s

Apparent Declination

-40° 58' 48"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:15:55

Azimuth

114.121° SE

Elevation

-40.647°

Doppler factor

Orbital elements

Apogee altitude

1,455.839 km

Perigee altitude

1,441.595 km

Semi-major axis

7,826.854 km

Eccentricity

0.00091

Inclination

102.0026°

RAAN

173.8784°

Arg. of periapsis

166.5518°

True anomaly

Unknown

Mean anomaly

223.2237°

Eccentric anomaly

Unknown

Mean motion

3.13446 °/min

Orbital period

114.85 mins

BSTAR

0.000086305

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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.
15 mins	2025-06-19 12:43:17.334Z	26.091° NE	2025-06-19 12:51:17.334Z	105.777° ESE	39.834°	2025-06-19 12:58:17.334Z	178.582° S
12 mins	2025-06-19 14:38:17.334Z	353.26° N	2025-06-19 14:43:17.334Z	305.208° NW	29.054°	2025-06-19 14:50:17.334Z	243.189° WSW
8 mins	2025-06-19 21:54:17.334Z	77.865° E	2025-06-19 21:58:17.334Z	46.047° ENE	16.454°	2025-06-19 22:02:17.334Z	15.492° NNE
15 mins	2025-06-19 23:42:17.334Z	150.348° SSE	2025-06-19 23:49:17.334Z	73.508° E	43.911°	2025-06-19 23:57:17.334Z	346.133° N
10 mins	2025-06-20 01:38:17.334Z	226.872° WSW	2025-06-20 01:42:17.334Z	261.072° W	21.26°	2025-06-20 01:48:17.334Z	311.376° NW

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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