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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
716 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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: 15 hours ago
TLE from 15 hours ago
0 TIROS 8
1 00716U 63054A 26199.24484459 .00000043 00000-0 35633-4 0 9990
2 00716 58.4945 281.1779 0016514 314.2922 45.6762 14.73205782320291Epoch: 2026-07-18T05:52Z
TLE epoch observation values (Epoch: 2026-07-18T05:52:34.572Z)
Latitude
-0.00005°
Longitude
-103.02655°
Altitude
644.17 km
Speed
7.541 km/s
True Right ascension
18h 44m 42s
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
09:30:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
661.897 km
Perigee altitude
638.684 km
Semi-major axis
7,028.428 km
Eccentricity
0.00165
Inclination
58.4945°
RAAN
281.1779°
Arg. of periapsis
314.2922°
True anomaly
45.81178°
Mean anomaly
45.6762°
Eccentric anomaly
45.74397°
Mean motion
3.68346 °/min
Orbital period
97.73 mins
BSTAR
0.000035633
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #54 in the year 1963 (1963-12-21 UTC)
Did you know?
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
Loading observer location...
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 | 2026-07-19 06:27:02.500Z | 154.979° SSE | 2026-07-19 06:29:02.500Z | 124.831° SE | 18.648° | 2026-07-19 06:32:02.500Z | 79.181° E |
| 7 mins | 2026-07-19 08:07:02.500Z | 241.977° WSW | 2026-07-19 08:10:02.500Z | 301.924° NW | 39.078° | 2026-07-19 08:14:02.500Z | 30.882° NE |
| 8 mins | 2026-07-19 14:58:02.500Z | 331.524° NNW | 2026-07-19 15:02:02.500Z | 66.969° ENE | 37.303° | 2026-07-19 15:06:02.500Z | 120.78° SE |
| 6 mins | 2026-07-19 16:40:02.500Z | 279.528° WNW | 2026-07-19 16:42:02.500Z | 249.393° W | 20.063° | 2026-07-19 16:46:02.500Z | 191.418° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|