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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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<iframe src="https://www.satcat.com/sats-embedded/309?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/309?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

309, 1962-025A

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

RCA/East Windsor

Mission

Non-operational spacecraft

Bus & Motor

TIROS, Unknown motor

Mass

129 kg wet, 129 kg dry

Launch date (UTC)

1962-06-19 (64 years ago)

Launch vehicle

THOR DELTA

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 TIROS 5
1 00309U 62025A   26050.07625343  .00000529  00000-0  11876-3 0  9992
2 00309  58.0890 293.8836 0189437 102.9296 259.2964 14.60502699364578

Epoch: 2026-02-19T01:49Z

TLE epoch observation values (Epoch: 2026-02-19T01:49:48.296Z)

Latitude

-0.00004°

Longitude

117.3996°

Altitude

720.234 km

Speed

7.482 km/s

True Right ascension

19h 35m 32s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

16:32:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

824.968 km

Perigee altitude

557.135 km

Semi-major axis

7,069.189 km

Eccentricity

0.01894

Inclination

58.089°

RAAN

293.8836°

Arg. of periapsis

102.9296°

True anomaly

257.17321°

Mean anomaly

259.2964°

Eccentric anomaly

258.23381°

Mean motion

3.65165 °/min

Orbital period

98.59 mins

BSTAR

0.00011876

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Other satellites on launch #25 in the year 1962 (1962-06-19 UTC)

DELTA 1 DEB, 6251 (Decayed)

DELTA 1 DEB (YO), 313 (Decayed)

DELTA 1 DEB (YO), 312

DELTA 1 R/B, 311 (Decayed)

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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.

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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	2026-02-19 18:24:20.506Z	218.298° SW	2026-02-19 18:28:20.506Z	199.709° SSW	43.975°	2026-02-19 18:32:20.506Z	43.433° NE
6 mins	2026-02-20 01:20:20.506Z	345.959° N	2026-02-20 01:22:20.506Z	25.236° NE	27.134°	2026-02-20 01:26:20.506Z	102.167° ESE
6 mins	2026-02-20 03:02:20.506Z	288.107° WNW	2026-02-20 03:05:20.506Z	223.56° SW	26.247°	2026-02-20 03:08:20.506Z	176.774° S

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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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Check out TIROS 5, 309 on other resources

View TIROS 5, 309 on NASA - NSSDCA Website

View TIROS 5, 309 on Heavens-Above

View TIROS 5, 309 on Keep Track

View TIROS 5, 309 on Celestrak

View TIROS 5, 309 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

TIROS 5, 309

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-02-19T01:49:48.296Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #25 in the year 1962 (1962-06-19 UTC)

TIROS 5 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TIROS 5, 309 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago