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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 (58 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: 20 hours ago

TLE from 20 hours ago

0 ESSA 7 (TOS-E)
1 03345U 68069A   26125.79774654 -.00000035  00000-0  58465-4 0  9990
2 03345 101.5573  93.2193 0026281 251.4607 170.9055 12.53009868639670

Epoch: 2026-05-05T19:08Z

TLE epoch observation values (Epoch: 2026-05-05T19:08:45.301Z)

Latitude

60.35726°

Longitude

-78.58914°

Altitude

1,482.356 km

Speed

7.119 km/s

True Right ascension

04h 49m 04s

True Declination

60° 13' 22"

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

23:18:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,470.034 km

Perigee altitude

1,428.891 km

Semi-major axis

7,827.599 km

Eccentricity

0.00263

Inclination

101.5573°

RAAN

93.2193°

Arg. of periapsis

251.4607°

True anomaly

170.95295°

Mean anomaly

170.9055°

Eccentric anomaly

170.92924°

Mean motion

3.13401 °/min

Orbital period

114.87 mins

BSTAR

0.000058465

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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.
12 mins	2026-05-06 19:53:28.626Z	101.862° ESE	2026-05-06 19:59:28.626Z	52.517° ENE	22.955°	2026-05-06 20:05:28.626Z	5.41° NNE
15 mins	2026-05-06 21:44:28.626Z	168.113° S	2026-05-06 21:51:28.626Z	270.998° WNW	44.333°	2026-05-06 21:59:28.626Z	340.364° N
6 mins	2026-05-06 23:42:28.626Z	250.144° W	2026-05-06 23:45:28.626Z	272.823° WNW	13.54°	2026-05-06 23:48:28.626Z	295.086° NW
13 mins	2026-05-07 09:47:28.626Z	37.939° NE	2026-05-07 09:53:28.626Z	94.707° ESE	31.542°	2026-05-07 10:00:28.626Z	161.159° S
13 mins	2026-05-07 11:40:28.626Z	2.049° NNE	2026-05-07 11:46:28.626Z	299.711° NW	36.866°	2026-05-07 11:53:28.626Z	228.287° 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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-05-05T19:08:45.301Z)

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: 20 hours ago