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
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 8
1 716U 63054A 26075.86546822 .00000447 00000-0 98040-4 0 9993
2 716 58.4956 18.2736 0026594 130.4658 229.8706 14.73071271302117Epoch: 2026-03-16T20:46Z
TLE epoch observation values (Epoch: 2026-03-16T20:46:16.454Z)
Latitude
-0.00001°
Longitude
-107.74678°
Altitude
664.777 km
Speed
7.519 km/s
True Right ascension
01h 13m 05s
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
16:04:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
669.411 km
Perigee altitude
632.026 km
Semi-major axis
7,028.855 km
Eccentricity
0.00266
Inclination
58.4956°
RAAN
18.2736°
Arg. of periapsis
130.4658°
True anomaly
229.63809°
Mean anomaly
229.8706°
Eccentric anomaly
229.7543°
Mean motion
3.68312 °/min
Orbital period
97.74 mins
BSTAR
0.00009804
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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 | 2026-03-17 21:20:29.011Z | 176.31° S | 2026-03-17 21:23:29.011Z | 128.551° SE | 25.979° | 2026-03-17 21:27:29.011Z | 63.978° ENE |
| 6 mins | 2026-03-17 23:02:29.011Z | 263.505° W | 2026-03-17 23:04:29.011Z | 304.601° NW | 31.634° | 2026-03-17 23:08:29.011Z | 23.947° NE |
| 4 mins | 2026-03-18 04:12:29.011Z | 4.509° NNE | 2026-03-18 04:14:29.011Z | 34.581° NE | 14.999° | 2026-03-18 04:16:29.011Z | 61.894° ENE |
| 7 mins | 2026-03-18 05:53:29.011Z | 326.204° NNW | 2026-03-18 05:56:29.011Z | 92.93° ESE | 42.764° | 2026-03-18 06:00:29.011Z | 133.021° SE |
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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