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: 9 hours ago
TLE from 9 hours ago
0 TIROS 8
1 00716U 63054A 26112.31037330 .00000319 00000-0 78325-4 0 9996
2 00716 58.4940 243.2610 0021896 171.3846 188.7574 14.73119517307481Epoch: 2026-04-22T07:26Z
TLE epoch observation values (Epoch: 2026-04-22T07:26:56.253Z)
Latitude
0.00001°
Longitude
-78.84701°
Altitude
667.758 km
Speed
7.516 km/s
True Right ascension
16h 13m 02s
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
23:48:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
665.955 km
Perigee altitude
635.175 km
Semi-major axis
7,028.702 km
Eccentricity
0.00219
Inclination
58.494°
RAAN
243.261°
Arg. of periapsis
171.3846°
True anomaly
188.7193°
Mean anomaly
188.7574°
Eccentric anomaly
188.73834°
Mean motion
3.68324 °/min
Orbital period
97.74 mins
BSTAR
0.000078325
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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 | 2026-04-22 17:42:24.218Z | 340.525° N | 2026-04-22 17:46:24.218Z | 43.314° NE | 23.209° | 2026-04-22 17:49:24.218Z | 88.667° E |
| 7 mins | 2026-04-22 19:24:24.218Z | 303.815° NW | 2026-04-22 19:27:24.218Z | 241.873° WSW | 37.829° | 2026-04-22 19:31:24.218Z | 160.634° S |
| 5 mins | 2026-04-23 09:39:24.218Z | 155.38° SSE | 2026-04-23 09:41:24.218Z | 124.145° SE | 19.871° | 2026-04-23 09:44:24.218Z | 77.91° E |
| 7 mins | 2026-04-23 11:19:24.218Z | 244.057° WSW | 2026-04-23 11:22:24.218Z | 304.606° NW | 38.361° | 2026-04-23 11:26:24.218Z | 30.128° 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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