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ESSA 5, 2757

Orbit data source: Space-Track

ESSA 5, 2757 is a payload satellite owned by ESSA (US) in SSO that was launched on Thu, 20 Apr 1967 UTC via a THOR DELTA E 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/2757?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/2757?theme=dark&initialShowStats=false

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Identifier

2757, 1967-036A

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

147 kg wet, 147 kg dry

Launch date (UTC)

1967-04-20 (59 years ago)

Launch vehicle

THOR DELTA E

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: 10 hours ago

TLE from 10 hours ago

0 ESSA 5
1 02757U 67036A   26166.12627362 -.00000052  00000-0 -16462-4 0  9995
2 02757 101.9907 348.5587 0042459 256.0379 214.5406 12.68542946738711

Epoch: 2026-06-15T03:01Z

TLE epoch observation values (Epoch: 2026-06-15T03:01:50.040Z)

Latitude

66.63175°

Longitude

-111.03407°

Altitude

1,426.437 km

Speed

7.141 km/s

True Right ascension

13h 11m 21s

True Declination

66° 31' 01"

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

23:31:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,418.381 km

Perigee altitude

1,352.455 km

Semi-major axis

7,763.555 km

Eccentricity

0.00425

Inclination

101.9907°

RAAN

348.5587°

Arg. of periapsis

256.0379°

True anomaly

214.26594°

Mean anomaly

214.5406°

Eccentric anomaly

214.40315°

Mean motion

3.17287 °/min

Orbital period

113.46 mins

BSTAR

-0.000016462

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Other satellites on launch #36 in the year 1967 (1967-04-20 UTC)

DELTA 1 DEB, 2977

DELTA 1 R/B, 2758

DELTA 1 DEB, 2976

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ESSA 5 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.
8 mins	2026-06-15 13:55:47.769Z	237.983° WSW	2026-06-15 13:59:47.769Z	268.406° W	14.514°	2026-06-15 14:03:47.769Z	299.246° NW
12 mins	2026-06-15 23:55:47.769Z	45.91° ENE	2026-06-16 00:00:47.769Z	91.015° ESE	25.58°	2026-06-16 00:07:47.769Z	152.765° SSE
14 mins	2026-06-16 01:46:47.769Z	7.779° NNE	2026-06-16 01:52:47.769Z	301.636° NW	41.037°	2026-06-16 02:00:47.769Z	216.894° SW
5 mins	2026-06-16 03:40:47.769Z	329.937° NNW	2026-06-16 03:42:47.769Z	314.334° NW	13.196°	2026-06-16 03:45:47.769Z	291.473° WNW
12 mins	2026-06-16 10:46:47.769Z	114.674° SE	2026-06-16 10:51:47.769Z	64.825° ENE	30.956°	2026-06-16 10:58:47.769Z	359.123° N
14 mins	2026-06-16 12:36:47.769Z	187.099° SSW	2026-06-16 12:42:47.769Z	247.114° WSW	37.61°	2026-06-16 12:50:47.769Z	331.513° NNW

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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 5, 2757 on other resources

View ESSA 5, 2757 on NASA - NSSDCA Website

View ESSA 5, 2757 on Heavens-Above

View ESSA 5, 2757 on Keep Track

View ESSA 5, 2757 on Celestrak

View ESSA 5, 2757 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 5, 2757

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-06-15T03:01:50.040Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #36 in the year 1967 (1967-04-20 UTC)

ESSA 5 Visibility forecast

Co-orbital & Co-planar RSOs

Check out ESSA 5, 2757 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago