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
CYL, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 TIROS 8
1 00716U 63054A 26264.39196064 .00000144 00000-0 51406-4 0 9999
2 00716 58.4948 39.7836 0025622 39.9962 320.2959 14.73255942329898Epoch: 2026-09-21T09:24Z
TLE epoch observation values (Epoch: 2026-09-21T09:24:25.399Z)
Latitude
0.00003°
Longitude
-101.59467°
Altitude
638.274 km
Speed
7.547 km/s
True Right ascension
02h 39m 08s
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
16:43:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
668.139 km
Perigee altitude
632.123 km
Semi-major axis
7,028.268 km
Eccentricity
0.00256
Inclination
58.4948°
RAAN
39.7836°
Arg. of periapsis
39.9962°
True anomaly
320.10787°
Mean anomaly
320.2959°
Eccentric anomaly
320.20193°
Mean motion
3.68358 °/min
Orbital period
97.73 mins
BSTAR
0.000051406
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-22 09:58:14.447Z | 156.455° SSE | 2026-09-22 10:01:14.447Z | 113.496° SE | 17.189° | 2026-09-22 10:03:14.447Z | 84.635° E |
| 7 mins | 2026-09-22 11:39:14.447Z | 241.293° WSW | 2026-09-22 11:42:14.447Z | 343.51° N | 57.01° | 2026-09-22 11:46:14.447Z | 34.869° NE |
| 7 mins | 2026-09-22 18:30:14.447Z | 339.537° N | 2026-09-22 18:33:14.447Z | 54.579° ENE | 45.385° | 2026-09-22 18:37:14.447Z | 116.13° SE |
| 6 mins | 2026-09-22 20:11:14.447Z | 284.422° WNW | 2026-09-22 20:14:14.447Z | 234.387° WSW | 24.35° | 2026-09-22 20:17:14.447Z | 189.951° SSW |
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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