Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 15 hours ago

TLE from 15 hours ago

0 ESSA 7 (TOS-E)
1 03345U 68069A   25340.85211928 -.00000055  00000-0 -72128-4 0  9990
2 03345 101.5322 307.4920 0026613 182.4943 231.8909 12.53007185620894

Epoch: 2025-12-06T20:27Z

TLE epoch observation values (Epoch: 2025-12-06T20:27:03.105Z)

Latitude

52.66909°

Longitude

-90.58467°

Altitude

1,473.205 km

Speed

7.126 km/s

True Right ascension

19h 28m 12s

True Declination

52° 31' 06"

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

09:32:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,470.304 km

Perigee altitude

1,428.64 km

Semi-major axis

7,827.609 km

Eccentricity

0.00266

Inclination

101.5322°

RAAN

307.492°

Arg. of periapsis

182.4943°

True anomaly

231.65144°

Mean anomaly

231.8909°

Eccentric anomaly

231.77112°

Mean motion

3.134 °/min

Orbital period

114.87 mins

BSTAR

-0.000072128

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

ESSA 7 (TOS-E) Visibility forecast

Loading observer location...
Set Observer location

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	2025-12-07 12:05:42.442Z	0.302° NNE	2025-12-07 12:12:42.442Z	293.389° NW	31.675°	2025-12-07 12:18:42.442Z	239.005° WSW
5 mins	2025-12-07 19:24:42.442Z	63.461° ENE	2025-12-07 19:26:42.442Z	48.2° ENE	13.711°	2025-12-07 19:29:42.442Z	25.491° NE
14 mins	2025-12-07 21:11:42.442Z	141.662° SSE	2025-12-07 21:17:42.442Z	80.013° E	41.45°	2025-12-07 21:25:42.442Z	350.092° N
12 mins	2025-12-07 23:05:42.442Z	214.257° SW	2025-12-07 23:11:42.442Z	268.574° W	25.51°	2025-12-07 23:17:42.442Z	318.46° NNW
9 mins	2025-12-08 09:15:42.442Z	57.699° ENE	2025-12-08 09:19:42.442Z	90.925° ESE	18.441°	2025-12-08 09:24:42.442Z	131.285° SE
14 mins	2025-12-08 11:06:42.442Z	14.903° NNE	2025-12-08 11:13:42.442Z	261.818° W	44.692°	2025-12-08 11:20:42.442Z	203.77° SW

Items per page:

1–6 of 6 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2025-12-06T20:27:03.105Z)

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: 15 hours ago