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: 5 hours ago
TLE from 5 hours ago
0 TIROS 8
1 716U 63054A 26121.20086088 .00000504 00000-0 10679-3 0 9991
2 716 58.4941 210.3251 0020516 182.8074 177.2853 14.73131721308795Epoch: 2026-05-01T04:49Z
TLE epoch observation values (Epoch: 2026-05-01T04:49:14.380Z)
Latitude
-0.00007°
Longitude
-81.12138°
Altitude
666.912 km
Speed
7.517 km/s
True Right ascension
14h 01m 18s
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
17:19:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
664.946 km
Perigee altitude
636.106 km
Semi-major axis
7,028.663 km
Eccentricity
0.00205
Inclination
58.4941°
RAAN
210.3251°
Arg. of periapsis
182.8074°
True anomaly
177.29641°
Mean anomaly
177.2853°
Eccentric anomaly
177.29086°
Mean motion
3.68327 °/min
Orbital period
97.74 mins
BSTAR
0.00010679
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-01 09:56:11.810Z | 281.764° WNW | 2026-05-01 09:59:11.810Z | 323.159° NNW | 19.111° | 2026-05-01 10:02:11.810Z | 8.95° NNE |
| 6 mins | 2026-05-01 15:06:11.810Z | 349.216° N | 2026-05-01 15:09:11.810Z | 47.865° ENE | 25.757° | 2026-05-01 15:12:11.810Z | 94.342° ESE |
| 7 mins | 2026-05-01 16:47:11.810Z | 297.802° NW | 2026-05-01 16:50:11.810Z | 234.074° WSW | 33.85° | 2026-05-01 16:54:11.810Z | 166.321° S |
| 5 mins | 2026-05-02 07:02:11.810Z | 157.356° SSE | 2026-05-02 07:04:11.810Z | 120.81° SE | 23.376° | 2026-05-02 07:07:11.810Z | 72.616° E |
| 7 mins | 2026-05-02 08:42:11.810Z | 251.935° W | 2026-05-02 08:45:11.810Z | 314.374° NW | 35.21° | 2026-05-02 08:49:11.810Z | 28.012° NE |
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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