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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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<iframe src="https://www.satcat.com/sats-embedded/3345?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

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

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ISO8601 Format

Identifier

3345, 1968-069A

Orbit

SSO

Last TLE update

8 hours ago

Origin

National Oceanic and Atmospheric Administration (US)

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)

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

Cyl, 1.07 m

Radar Cross Section

0.920 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 ESSA 7 (TOS-E)
1 03345U 68069A   25186.91761674 -.00000030  00000-0  85113-4 0  9993
2 03345 101.5039 158.2194 0027097 122.0227 301.0948 12.53004133601618

Epoch: 2025-07-05T22:01Z

TLE epoch observation values (Epoch: 2025-07-05T22:01:22.086Z)

Latitude

60.77631°

Longitude

-117.49562°

Altitude

1,451.23 km

Speed

7.147 km/s

True Right ascension

09h 07m 58s

True Declination

60° 38' 33"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

48.10662°

Longitude

-109.01308°

Altitude

1,452.665 km

Speed

7.143 km/s

Apparent Right ascension

07h 42m 42s

Apparent Declination

11° 17' 14"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:34:19

Azimuth

322.669° NNW

Elevation

-30.771°

Doppler factor

Orbital elements

Apogee altitude

1,470.694 km

Perigee altitude

1,428.273 km

Semi-major axis

7,827.62 km

Eccentricity

0.00271

Inclination

101.5039°

RAAN

158.2194°

Arg. of periapsis

122.0227°

True anomaly

Unknown

Mean anomaly

301.0948°

Eccentric anomaly

Unknown

Mean motion

3.134 °/min

Orbital period

114.87 mins

BSTAR

0.000085113

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

ESSA 7 (TOS-E) Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-06 09:49:57.294Z	39.605° NE	2025-07-06 09:56:57.294Z	101.966° ESE	26.371°	2025-07-06 10:02:57.294Z	152.266° SSE
14 mins	2025-07-06 11:42:57.294Z	7.359° NNE	2025-07-06 11:49:57.294Z	285.561° WNW	40.442°	2025-07-06 11:56:57.294Z	218.82° SW
4 mins	2025-07-06 13:38:57.294Z	328.434° NNW	2025-07-06 13:40:57.294Z	313.211° NW	12.463°	2025-07-06 13:42:57.294Z	298.13° NW
13 mins	2025-07-06 20:49:57.294Z	119.82° SE	2025-07-06 20:55:57.294Z	54.948° ENE	32.938°	2025-07-06 21:02:57.294Z	356.511° N
14 mins	2025-07-06 22:41:57.294Z	193.206° SSW	2025-07-06 22:47:57.294Z	253.882° W	35.621°	2025-07-06 22:55:57.294Z	330.727° NNW

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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

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