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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7529 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
TIROS M, Unknown motor
Mass
345 kg wet, 345 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 NOAA 4
1 07529U 74089A 25287.94033897 -.00000024 00000-0 14074-3 0 9994
2 07529 102.0091 293.1325 0008845 306.0517 83.5534 12.53197323328805Epoch: 2025-10-14T22:34Z
TLE epoch observation values (Epoch: 2025-10-14T22:34:05.287Z)
Latitude
29.03864°
Longitude
-75.86014°
Altitude
1,453.684 km
Speed
7.138 km/s
True Right ascension
19h 05m 32s
True Declination
28° 54' 21"
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
05:51:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,455.631 km
Perigee altitude
1,441.785 km
Semi-major axis
7,826.845 km
Eccentricity
0.00088
Inclination
102.0091°
RAAN
293.1325°
Arg. of periapsis
306.0517°
True anomaly
83.65413°
Mean anomaly
83.5534°
Eccentric anomaly
83.60376°
Mean motion
3.13446 °/min
Orbital period
114.85 mins
BSTAR
0.00014074
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Other satellites on launch #89 in the year 1974 (1974-11-15 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 4 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-10-15 12:27:13.179Z | 33.657° NE | 2025-10-15 12:34:13.179Z | 92.163° ESE | 31.409° | 2025-10-15 12:41:13.179Z | 160.831° S |
| 14 mins | 2025-10-15 14:21:13.179Z | 3.252° NNE | 2025-10-15 14:27:13.179Z | 302.95° NW | 36.936° | 2025-10-15 14:35:13.179Z | 226.325° WSW |
| 13 mins | 2025-10-15 23:27:13.179Z | 130.92° SE | 2025-10-15 23:33:13.179Z | 62.025° ENE | 38.094° | 2025-10-15 23:40:13.179Z | 353.536° N |
| 13 mins | 2025-10-16 01:20:13.179Z | 204.716° SW | 2025-10-16 01:26:13.179Z | 263.981° W | 30.101° | 2025-10-16 01:33:13.179Z | 324.429° NNW |
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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