TIROS 8, 716
Orbit data source: Space-Track
TIROS 8, 716 is a payload satellite owned by GSFC (US) in LEO that was launched on Sat, 21 Dec 1963 UTC via a THOR DELTA B 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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
TIROS, Unknown motor
Mass
120 kg wet, 120 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: 16 hours ago
TLE from 16 hours ago
0 TIROS 8
1 00716U 63054A 26030.73158708 .00000863 00000-0 16226-3 0 9999
2 00716 58.4931 185.4598 0028675 85.4728 274.9586 14.72996849295464Epoch: 2026-01-30T17:33Z
TLE epoch observation values (Epoch: 2026-01-30T17:33:29.123Z)
Latitude
-0.00005°
Longitude
152.1227°
Altitude
651.25 km
Speed
7.534 km/s
True Right ascension
12h 21m 50s
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
11:28:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
671.112 km
Perigee altitude
630.8 km
Semi-major axis
7,029.093 km
Eccentricity
0.00287
Inclination
58.4931°
RAAN
185.4598°
Arg. of periapsis
85.4728°
True anomaly
274.63114°
Mean anomaly
274.9586°
Eccentric anomaly
274.79488°
Mean motion
3.68294 °/min
Orbital period
97.75 mins
BSTAR
0.00016226
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Other satellites on launch #54 in the year 1963 (1963-12-21 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.TIROS 8 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-01-31 11:37:02.183Z | 178.452° S | 2026-01-31 11:40:02.183Z | 126.466° SE | 27.621° | 2026-01-31 11:44:02.183Z | 61.495° ENE |
| 6 mins | 2026-01-31 13:19:02.183Z | 267.625° W | 2026-01-31 13:21:02.183Z | 308.918° NW | 29.913° | 2026-01-31 13:25:02.183Z | 23.445° NE |
| 5 mins | 2026-01-31 18:28:02.183Z | 353.16° N | 2026-01-31 18:31:02.183Z | 36.736° NE | 15.725° | 2026-01-31 18:33:02.183Z | 64.389° ENE |
| 8 mins | 2026-01-31 20:09:02.183Z | 321.589° NNW | 2026-01-31 20:12:02.183Z | 345.127° N | 43.247° | 2026-01-31 20:17:02.183Z | 136.152° 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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