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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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https://www.satcat.com/sats-embedded/3345?theme=dark&initialShowStats=false

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Identifier

3345, 1968-069A

Orbit

SSO

Country

Related business

National Oceanic and Atmospheric Administration (US)

Manufacturer

RCA/East Windsor

Mission

Non-operational spacecraft

Bus & Motor

TIROS I, Unknown motor

Mass

154 kg wet, 154 kg dry

Launch date (UTC)

1968-08-16 (57 years ago)

Launch vehicle

THOR DELTA N

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 ESSA 7 (TOS-E)
1 03345U 68069A   26035.89426664 -.00000042  00000-0  10363-4 0  9999
2 03345 101.5424   5.7988 0027050  66.5299 350.9201 12.53008467628419

Epoch: 2026-02-04T21:27Z

TLE epoch observation values (Epoch: 2026-02-04T21:27:44.637Z)

Latitude

55.72589°

Longitude

-108.54065°

Altitude

1,440.093 km

Speed

7.156 km/s

True Right ascension

23h 13m 47s

True Declination

55° 34' 47"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

17:43:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,470.641 km

Perigee altitude

1,428.294 km

Semi-major axis

7,827.604 km

Eccentricity

0.00271

Inclination

101.5424°

RAAN

5.7988°

Arg. of periapsis

66.5299°

True anomaly

350.87102°

Mean anomaly

350.9201°

Eccentric anomaly

350.89558°

Mean motion

3.13401 °/min

Orbital period

114.87 mins

BSTAR

0.000010363

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Other satellites on launch #69 in the year 1968 (1968-08-16 UTC)

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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.
13 mins	2026-02-05 20:17:49.934Z	114.25° SE	2026-02-05 20:23:49.934Z	63.494° ENE	27.744°	2026-02-05 20:30:49.934Z	1.588° NNE
14 mins	2026-02-05 22:09:49.934Z	180.719° SSW	2026-02-05 22:16:49.934Z	263.455° W	40.601°	2026-02-05 22:23:49.934Z	333.891° NNW
14 mins	2026-02-06 10:12:49.934Z	32.89° NE	2026-02-06 10:18:49.934Z	100.019° ESE	37.728°	2026-02-06 10:26:49.934Z	175.733° S
12 mins	2026-02-06 12:05:49.934Z	355.718° N	2026-02-06 12:11:49.934Z	294.324° NW	31.012°	2026-02-06 12:17:49.934Z	240.536° WSW

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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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Check out ESSA 7 (TOS-E), 3345 on other resources

View ESSA 7 (TOS-E), 3345 on NASA - NSSDCA Website

View ESSA 7 (TOS-E), 3345 on Heavens-Above

View ESSA 7 (TOS-E), 3345 on Keep Track

View ESSA 7 (TOS-E), 3345 on Celestrak

View ESSA 7 (TOS-E), 3345 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ESSA 7 (TOS-E), 3345

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-02-04T21:27:44.637Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #69 in the year 1968 (1968-08-16 UTC)

ESSA 7 (TOS-E) Visibility forecast

Co-orbital & Co-planar RSOs

Check out ESSA 7 (TOS-E), 3345 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago