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: 9 hours ago
TLE from 9 hours ago
0 TIROS 8
1 716U 63054A 25290.52146531 .00001043 00000-0 19110-3 0 9990
2 716 58.4939 215.0842 0016974 322.1143 37.8701 14.72770755279963Epoch: 2025-10-17T12:30Z
TLE epoch observation values (Epoch: 2025-10-17T12:30:54.602Z)
Latitude
-0.00002°
Longitude
1.09104°
Altitude
644.242 km
Speed
7.542 km/s
True Right ascension
14h 20m 20s
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
16:05:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
663.607 km
Perigee altitude
639.743 km
Semi-major axis
7,029.812 km
Eccentricity
0.0017
Inclination
58.4939°
RAAN
215.0842°
Arg. of periapsis
322.1143°
True anomaly
37.9897°
Mean anomaly
37.8701°
Eccentric anomaly
37.92988°
Mean motion
3.68237 °/min
Orbital period
97.76 mins
BSTAR
0.0001911
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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 | 2025-10-17 22:29:47.684Z | 266.088° W | 2025-10-17 22:32:47.684Z | 317.683° NNW | 27.276° | 2025-10-17 22:36:47.684Z | 22.565° NE |
| 4 mins | 2025-10-18 03:40:47.684Z | 5.835° NNE | 2025-10-18 03:42:47.684Z | 38.913° NE | 18.475° | 2025-10-18 03:44:47.684Z | 68.176° E |
| 8 mins | 2025-10-18 05:20:47.684Z | 316.465° NNW | 2025-10-18 05:23:47.684Z | 295.425° NW | 43.782° | 2025-10-18 05:28:47.684Z | 143.143° SSE |
| 4 mins | 2025-10-18 21:15:47.684Z | 224.926° SW | 2025-10-18 21:19:47.684Z | 13.922° NNE | 43.362° | 2025-10-18 21:19:47.684Z | 13.922° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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