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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: 16 hours ago

TLE from 16 hours ago

0 ESSA 5
1 02757U 67036A   26065.47635472 -.00000049  00000-0 -41542-5 0  9996
2 02757 101.9852 244.0667 0042987  93.7385 291.1128 12.68541220725956

Epoch: 2026-03-06T11:25Z

TLE epoch observation values (Epoch: 2026-03-06T11:25:57.047Z)

Latitude

23.8497°

Longitude

-96.99112°

Altitude

1,378.581 km

Speed

7.177 km/s

True Right ascension

15h 54m 50s

True Declination

23° 43' 59"

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

07:04:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,418.798 km

Perigee altitude

1,352.051 km

Semi-major axis

7,763.562 km

Eccentricity

0.0043

Inclination

101.9852°

RAAN

244.0667°

Arg. of periapsis

93.7385°

True anomaly

290.65239°

Mean anomaly

291.1128°

Eccentric anomaly

290.88268°

Mean motion

3.17287 °/min

Orbital period

113.46 mins

BSTAR

-0.0000041542

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

DELTA 1 DEB, 2976

DELTA 1 R/B, 2758

DELTA 1 DEB, 2977

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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.
5 mins	2026-03-07 03:05:05.938Z	324.163° NNW	2026-03-07 03:07:05.938Z	306.635° NW	15.529°	2026-03-07 03:10:05.938Z	282.421° WNW
11 mins	2026-03-07 10:11:05.938Z	105.698° ESE	2026-03-07 10:16:05.938Z	57.413° ENE	26.211°	2026-03-07 10:22:05.938Z	3.614° NNE
13 mins	2026-03-07 12:01:05.938Z	179.137° S	2026-03-07 12:07:05.938Z	258.099° W	41.53°	2026-03-07 12:14:05.938Z	334.538° NNW
12 mins	2026-03-07 23:55:05.938Z	41.091° NE	2026-03-08 00:00:05.938Z	93.249° ESE	31.722°	2026-03-08 00:07:05.938Z	163.556° S
13 mins	2026-03-08 01:46:05.938Z	1.475° NNE	2026-03-08 01:52:05.938Z	294.188° NW	35.559°	2026-03-08 01:59:05.938Z	228.598° WSW

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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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-06T11:25:57.047Z)

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: 16 hours ago