TIROS 5, 309
Orbit data source: Space-Track
TIROS 5, 309 is a payload satellite owned by GSFC (US) in LEO that was launched on Tue, 19 Jun 1962 UTC via a THOR DELTA launch vehicle from the Air Force Eastern Test Range (AFETR). 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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309 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
TIROS, Unknown motor
Mass
129 kg wet, 129 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
CYL, 0.6 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 TIROS 5
1 00309U 62025A 26208.04944193 .00000203 00000-0 67740-4 0 9992
2 00309 58.0904 73.1974 0179301 322.7494 36.1206 14.60696794387652Epoch: 2026-07-27T01:11Z
TLE epoch observation values (Epoch: 2026-07-27T01:11:11.782Z)
Latitude
-0.00007°
Longitude
110.65967°
Altitude
590.716 km
Speed
7.62 km/s
True Right ascension
04h 52m 47s
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
03:38:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.165 km
Perigee altitude
563.685 km
Semi-major axis
7,068.562 km
Eccentricity
0.01793
Inclination
58.0904°
RAAN
73.1974°
Arg. of periapsis
322.7494°
True anomaly
37.354°
Mean anomaly
36.1206°
Eccentric anomaly
36.73506°
Mean motion
3.65213 °/min
Orbital period
98.57 mins
BSTAR
0.00006774
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Other satellites on launch #25 in the year 1962 (1962-06-19 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.TIROS 5 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-07-28 16:45:05.036Z | 206.618° SW | 2026-07-28 16:49:05.036Z | 129.071° SE | 41.555° | 2026-07-28 16:53:05.036Z | 49.749° ENE |
| 6 mins | 2026-07-28 18:29:05.036Z | 284.359° WNW | 2026-07-28 18:32:05.036Z | 334.915° NNW | 22.884° | 2026-07-28 18:35:05.036Z | 17.018° NNE |
| 8 mins | 2026-07-28 23:41:05.036Z | 346.119° N | 2026-07-28 23:44:05.036Z | 37.2° NE | 29.228° | 2026-07-28 23:49:05.036Z | 101.32° ESE |
| 8 mins | 2026-07-29 01:23:05.036Z | 300.974° NW | 2026-07-29 01:26:05.036Z | 251.755° W | 37.271° | 2026-07-29 01:31:05.036Z | 162.872° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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