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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

1 day 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 1 day ago

0 ESSA 7 (TOS-E)
1 03345U 68069A   25128.87015925 -.00000033  00000-0  67093-4 0  9995
2 03345 101.5008 101.9951 0026334 235.2230 179.6644 12.53003458594346

Epoch: 2025-05-08T20:53Z

Definitive object data (Epoch: 2025-05-08T20:53:01.759Z)

Latitude

53.37893°

Longitude

-94.00482°

Altitude

1,481.113 km

Speed

7.118 km/s

True Right ascension

05h 44m 44s

True Declination

53° 13' 46"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

14.55271°

Longitude

-80.05899°

Altitude

1,470.064 km

Speed

7.122 km/s

Apparent Right ascension

04h 01m 01s

Apparent Declination

-21° 39' 13"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:36:44

Azimuth

249.472° W

Elevation

-9.289°

Doppler factor

Orbital elements

Apogee altitude

1,470.099 km

Perigee altitude

1,428.873 km

Semi-major axis

7,827.623 km

Eccentricity

0.0026334

Inclination

101.5008°

RAAN

101.9951°

Arg. of periapsis

235.223°

True anomaly

179.66616°

Mean anomaly

179.6644°

Eccentric anomaly

179.66528°

Mean motion

3.134 °/min

BSTAR

0.000067093

Orbital period

114.87 mins

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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.
12 mins	2025-05-10 09:39:47.741Z	45.699° ENE	2025-05-10 09:45:47.741Z	95.452° ESE	22.197°	2025-05-10 09:51:47.741Z	143.621° SSE
14 mins	2025-05-10 11:32:47.741Z	10.664° NNE	2025-05-10 11:38:47.741Z	305.984° NW	43.347°	2025-05-10 11:46:47.741Z	210.242° SW
7 mins	2025-05-10 13:27:47.741Z	332.89° NNW	2025-05-10 13:30:47.741Z	308.779° NW	15.612°	2025-05-10 13:34:47.741Z	278.905° WNW
13 mins	2025-05-10 20:38:47.741Z	114.067° SE	2025-05-10 20:44:47.741Z	59.641° ENE	29.206°	2025-05-10 20:51:47.741Z	0.17° NNE
14 mins	2025-05-10 22:30:47.741Z	183.743° SSW	2025-05-10 22:36:47.741Z	244.757° WSW	39.796°	2025-05-10 22:44:47.741Z	333.594° NNW

Authenticating...

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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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