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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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
CYL, 1.1 m
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 26300.90052902 .00000121 00000-0 47955-4 0 9998
2 00716 58.4931 264.4980 0028449 77.1611 283.2605 14.73284589335276Epoch: 2026-10-27T21:36Z
TLE epoch observation values (Epoch: 2026-10-27T21:36:45.707Z)
Latitude
0.00003°
Longitude
-95.94946°
Altitude
647.487 km
Speed
7.537 km/s
True Right ascension
17h 37m 59s
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
09:23:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
670.035 km
Perigee altitude
630.046 km
Semi-major axis
7,028.177 km
Eccentricity
0.00284
Inclination
58.4931°
RAAN
264.498°
Arg. of periapsis
77.1611°
True anomaly
282.94293°
Mean anomaly
283.2605°
Eccentric anomaly
283.10174°
Mean motion
3.68366 °/min
Orbital period
97.73 mins
BSTAR
0.000047955
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Other satellites on launch #54 in the year 1963 (1963-12-21 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 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 | 2026-10-28 23:50:16.839Z | 218.047° SW | 2026-10-28 23:53:16.839Z | 139.578° SSE | 86.439° | 2026-10-28 23:57:16.839Z | 42.131° NE |
| 5 mins | 2026-10-29 01:33:16.839Z | 300.263° NW | 2026-10-29 01:35:16.839Z | 332.099° NNW | 18.302° | 2026-10-29 01:38:16.839Z | 13.376° NNE |
| 7 mins | 2026-10-29 06:41:16.839Z | 343.819° N | 2026-10-29 06:44:16.839Z | 38.218° NE | 31.221° | 2026-10-29 06:48:16.839Z | 101.085° ESE |
| 6 mins | 2026-10-29 08:23:16.839Z | 289.251° WNW | 2026-10-29 08:25:16.839Z | 246.673° WSW | 37.77° | 2026-10-29 08:29:16.839Z | 171.521° 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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