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: 23 hours ago
TLE from 23 hours ago
0 TIROS 8
1 00716U 63054A 25305.31973376 .00000665 00000-0 13248-3 0 9994
2 00716 58.4924 160.2918 0018962 344.6592 15.3870 14.72802972282147Epoch: 2025-11-01T07:40Z
TLE epoch observation values (Epoch: 2025-11-01T07:40:24.996Z)
Latitude
-0.00005°
Longitude
4.3361°
Altitude
640.7 km
Speed
7.545 km/s
True Right ascension
10h 41m 10s
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
02:50:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
664.902 km
Perigee altitude
638.243 km
Semi-major axis
7,029.71 km
Eccentricity
0.0019
Inclination
58.4924°
RAAN
160.2918°
Arg. of periapsis
344.6592°
True anomaly
15.44479°
Mean anomaly
15.387°
Eccentric anomaly
15.41588°
Mean motion
3.68245 °/min
Orbital period
97.76 mins
BSTAR
0.00013248
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-02 16:24:11.374Z | 214.839° SW | 2025-11-02 16:28:11.374Z | 154.72° SSE | 44.322° | 2025-11-02 16:32:11.374Z | 44.336° NE |
| 5 mins | 2025-11-02 18:08:11.374Z | 296.891° NW | 2025-11-02 18:10:11.374Z | 329.347° NNW | 18.82° | 2025-11-02 18:13:11.374Z | 12.495° NNE |
| 6 mins | 2025-11-02 23:17:11.374Z | 352.29° N | 2025-11-02 23:19:11.374Z | 29.762° NE | 26.541° | 2025-11-02 23:23:11.374Z | 96.542° ESE |
| 7 mins | 2025-11-03 00:58:11.374Z | 295.475° NW | 2025-11-03 01:01:11.374Z | 226.291° WSW | 33.817° | 2025-11-03 01:05:11.374Z | 165.921° 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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