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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

CYL, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 ESSA 7 (TOS-E)
1  3345U 68069A   26306.14954153 -.00000028  00000-0  99428-4 0  9990
2  3345 101.5834 268.8620 0026355 261.6164 108.6335 12.53012437662264

Epoch: 2026-11-02T03:35Z

TLE epoch observation values (Epoch: 2026-11-02T03:35:20.388Z)

Latitude

10.27188°

Longitude

171.47805°

Altitude

1,460.407 km

Speed

7.13 km/s

True Right ascension

17h 46m 58s

True Declination

10° 13' 02"

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

13:00:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,470.083 km

Perigee altitude

1,428.824 km

Semi-major axis

7,827.59 km

Eccentricity

0.00264

Inclination

101.5834°

RAAN

268.862°

Arg. of periapsis

261.6164°

True anomaly

108.91937°

Mean anomaly

108.6335°

Eccentric anomaly

108.77647°

Mean motion

3.13401 °/min

Orbital period

114.87 mins

BSTAR

0.000099428

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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.
7 mins	2026-11-02 19:05:51.529Z	71.664° E	2026-11-02 19:08:51.529Z	49.841° ENE	14.068°	2026-11-02 19:12:51.529Z	20.343° NNE
14 mins	2026-11-02 20:53:51.529Z	141.552° SSE	2026-11-02 21:00:51.529Z	54.064° ENE	61.463°	2026-11-02 21:07:51.529Z	350.59° N
12 mins	2026-11-02 22:47:51.529Z	212.745° SW	2026-11-02 22:53:51.529Z	266.244° W	28.983°	2026-11-02 22:59:51.529Z	317.578° NNW
10 mins	2026-11-03 08:57:51.529Z	55.465° ENE	2026-11-03 09:01:51.529Z	87.309° E	19.555°	2026-11-03 09:07:51.529Z	134.39° SE
15 mins	2026-11-03 10:48:51.529Z	15.305° NNE	2026-11-03 10:55:51.529Z	312.586° NW	82.948°	2026-11-03 11:03:51.529Z	203.198° SW
9 mins	2026-11-03 12:43:51.529Z	340.141° N	2026-11-03 12:47:51.529Z	307.028° NW	19.631°	2026-11-03 12:52:51.529Z	268.94° W

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-11-02T03:35:20.388Z)

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: 14 hours ago