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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 TIROS 5
1 309U 62025A 26139.87916610 .00000127 00000-0 55339-4 0 9995
2 309 58.0910 323.7868 0178843 225.8520 132.7688 14.60629729377692Epoch: 2026-05-19T21:05Z
TLE epoch observation values (Epoch: 2026-05-19T21:05:59.951Z)
Latitude
0.00004°
Longitude
129.74028°
Altitude
779.562 km
Speed
7.419 km/s
True Right ascension
21h 35m 08s
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
20:28:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.062 km
Perigee altitude
564.221 km
Semi-major axis
7,068.778 km
Eccentricity
0.01788
Inclination
58.091°
RAAN
323.7868°
Arg. of periapsis
225.852°
True anomaly
134.25058°
Mean anomaly
132.7688°
Eccentric anomaly
133.51194°
Mean motion
3.65197 °/min
Orbital period
98.58 mins
BSTAR
0.000055339
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-05-20 13:38:51.821Z | 186.727° SSW | 2026-05-20 13:43:51.821Z | 118.329° SE | 30.757° | 2026-05-20 13:47:51.821Z | 62.034° ENE |
| 9 mins | 2026-05-20 15:21:51.821Z | 253.591° W | 2026-05-20 15:25:51.821Z | 317.575° NNW | 34.719° | 2026-05-20 15:30:51.821Z | 30.333° NE |
| 4 mins | 2026-05-20 17:07:51.821Z | 320.625° NNW | 2026-05-20 17:09:51.821Z | 344.713° N | 14.553° | 2026-05-20 17:11:51.821Z | 7.895° NNE |
| 6 mins | 2026-05-20 20:35:51.821Z | 353.159° N | 2026-05-20 20:37:51.821Z | 21.091° NNE | 19.781° | 2026-05-20 20:41:51.821Z | 75.805° E |
| 8 mins | 2026-05-20 22:17:51.821Z | 317.866° NNW | 2026-05-20 22:20:51.821Z | 314.746° NW | 44.264° | 2026-05-20 22:25:51.821Z | 139.882° SSE |
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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