ESSA 7 (TOS-E), 3345
Orbit data source: Space-Track
ESSA 7 (TOS-E), 3345 is a payload satellite owned by ESSA (US) in SSO that was launched on Fri, 16 Aug 1968 UTC via a THOR DELTA N 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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3345 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational Civil Weather
Bus & Motor
TIROS I, Unknown motor
Mass
154 kg wet, 154 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.5 m
Radar Cross Section
0.920 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 ESSA 7 (TOS-E)
1 03345U 68069A 25256.20995177 -.00000034 00000-0 58443-4 0 9990
2 03345 101.5148 225.3705 0026785 348.7087 24.5402 12.53005268610293Epoch: 2025-09-13T05:02Z
TLE epoch observation values (Epoch: 2025-09-13T05:02:19.832Z)
Latitude
13.07118°
Longitude
154.64358°
Altitude
1,434.725 km
Speed
7.154 km/s
True Right ascension
14h 50m 41s
True Declination
13° 00' 08"
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
18:27:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,470.445 km
Perigee altitude
1,428.513 km
Semi-major axis
7,827.616 km
Eccentricity
0.00268
Inclination
101.5148°
RAAN
225.3705°
Arg. of periapsis
348.7087°
True anomaly
24.66807°
Mean anomaly
24.5402°
Eccentric anomaly
24.6041°
Mean motion
3.134 °/min
Orbital period
114.87 mins
BSTAR
0.000058443
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Other satellites on launch #69 in the year 1968 (1968-08-16 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.ESSA 7 (TOS-E) 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-09-14 10:20:32.520Z | 29.122° NE | 2025-09-14 10:27:32.520Z | 96.492° ESE | 37.904° | 2025-09-14 10:35:32.520Z | 175.357° S |
| 13 mins | 2025-09-14 12:14:32.520Z | 356.148° N | 2025-09-14 12:20:32.520Z | 296.506° NW | 31.255° | 2025-09-14 12:27:32.520Z | 237.592° WSW |
| 6 mins | 2025-09-14 19:32:32.520Z | 64.949° ENE | 2025-09-14 19:34:32.520Z | 49.435° ENE | 13.962° | 2025-09-14 19:38:32.520Z | 19.465° NNE |
| 14 mins | 2025-09-14 21:19:32.520Z | 143.828° SSE | 2025-09-14 21:26:32.520Z | 51.119° ENE | 41.871° | 2025-09-14 21:33:32.520Z | 349.68° N |
| 11 mins | 2025-09-14 23:14:32.520Z | 220.021° SW | 2025-09-14 23:19:32.520Z | 266.456° W | 24.338° | 2025-09-14 23:25:32.520Z | 317.095° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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