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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

8 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 8 hours ago

0 NOAA 4
1 07529U 74089A   25182.89185648 -.00000040  00000-0  41423-4 0  9991
2 07529 102.0029 186.9547 0009273 142.3445 280.5720 12.53195133315649

Epoch: 2025-07-01T21:24Z

TLE epoch observation values (Epoch: 2025-07-01T21:24:16.399Z)

Latitude

60.55723°

Longitude

-76.30715°

Altitude

1,459.96 km

Speed

7.139 km/s

True Right ascension

10h 59m 46s

True Declination

60° 25' 23"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

63.81008°

Longitude

-79.44803°

Altitude

1,460.109 km

Speed

7.139 km/s

Apparent Right ascension

07h 08m 04s

Apparent Declination

26° 07' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:46:45

Azimuth

327.268° NNW

Elevation

-16.224°

Doppler factor

Orbital elements

Apogee altitude

1,455.974 km

Perigee altitude

1,441.459 km

Semi-major axis

7,826.854 km

Eccentricity

0.00093

Inclination

102.0029°

RAAN

186.9547°

Arg. of periapsis

142.3445°

True anomaly

Unknown

Mean anomaly

280.572°

Eccentric anomaly

Unknown

Mean motion

3.13446 °/min

Orbital period

114.85 mins

BSTAR

0.000041423

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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.
4 mins	2025-07-02 11:12:15.219Z	71.814° E	2025-07-02 11:14:15.219Z	86.31° E	11.214°	2025-07-02 11:16:15.219Z	100.998° ESE
14 mins	2025-07-02 13:02:15.219Z	24.83° NE	2025-07-02 13:08:15.219Z	90.33° ESE	43.175°	2025-07-02 13:16:15.219Z	188.823° SSW
11 mins	2025-07-02 14:55:15.219Z	352.013° N	2025-07-02 15:00:15.219Z	308.938° NW	24.724°	2025-07-02 15:06:15.219Z	255.799° W
9 mins	2025-07-02 22:11:15.219Z	84.039° E	2025-07-02 22:15:15.219Z	49.182° ENE	19.947°	2025-07-02 22:20:15.219Z	9.807° NNE
14 mins	2025-07-03 00:00:15.219Z	160.002° S	2025-07-03 00:06:15.219Z	160.028° S	44.771°	2025-07-03 00:14:15.219Z	342.39° N
8 mins	2025-07-03 01:57:15.219Z	242.964° WSW	2025-07-03 02:00:15.219Z	267.51° W	16.664°	2025-07-03 02:05:15.219Z	305.915° NW

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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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