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 Civil Weather
Bus & Motor
TIROS, Unknown motor
Mass
120 kg wet, 120 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.5 m
Radar Cross Section
0.920 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 TIROS 8
1 00716U 63054A 25258.54774613 .00000394 00000-0 90506-4 0 9991
2 00716 58.4961 333.4642 0015135 264.8393 95.0919 14.72689021275258Epoch: 2025-09-15T13:08Z
TLE epoch observation values (Epoch: 2025-09-15T13:08:45.265Z)
Latitude
-0.00004°
Longitude
141.52474°
Altitude
654.875 km
Speed
7.53 km/s
True Right ascension
22h 13m 51s
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
17:21:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
662.575 km
Perigee altitude
641.295 km
Semi-major axis
7,030.072 km
Eccentricity
0.00151
Inclination
58.4961°
RAAN
333.4642°
Arg. of periapsis
264.8393°
True anomaly
95.26462°
Mean anomaly
95.0919°
Eccentric anomaly
95.17826°
Mean motion
3.68217 °/min
Orbital period
97.77 mins
BSTAR
0.000090506
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-16 07:12:42.202Z | 215.133° SW | 2025-09-16 07:16:42.202Z | 181.525° SSW | 43.694° | 2025-09-16 07:21:42.202Z | 43.676° NE |
| 5 mins | 2025-09-16 08:56:42.202Z | 293.779° NW | 2025-09-16 08:58:42.202Z | 324.833° NNW | 19.096° | 2025-09-16 09:01:42.202Z | 9.766° NNE |
| 6 mins | 2025-09-16 14:05:42.202Z | 348.536° N | 2025-09-16 14:08:42.202Z | 46.722° ENE | 26.567° | 2025-09-16 14:11:42.202Z | 94.236° ESE |
| 7 mins | 2025-09-16 15:46:42.202Z | 297.97° NW | 2025-09-16 15:49:42.202Z | 237.665° WSW | 33.812° | 2025-09-16 15:53:42.202Z | 167.539° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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