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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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ISO8601 Format

Identifier

2757, 1967-036A

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

147 kg wet, 147 kg dry

Launch date (UTC)

1967-04-20 (58 years ago)

Launch vehicle

THOR DELTA E

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 0.6 m

Radar Cross Section

0.994 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 ESSA 5
1  2757U 67036A   25201.07794286 -.00000027  00000-0  10655-3 0  9996
2  2757 101.9673   6.1275 0042824 183.6127 288.6786 12.68536608697304

Epoch: 2025-07-20T01:52Z

TLE epoch observation values (Epoch: 2025-07-20T01:52:14.263Z)

Latitude

65.33521°

Longitude

-112.69623°

Altitude

1,388.485 km

Speed

7.176 km/s

True Right ascension

14h 13m 52s

True Declination

65° 12' 55"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

55.9637°

Longitude

-121.51326°

Altitude

1,380.678 km

Speed

7.182 km/s

Apparent Right ascension

11h 54m 36s

Apparent Declination

15° 29' 51"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:22:57

Azimuth

334.154° NNW

Elevation

-30.619°

Doppler factor

Orbital elements

Apogee altitude

1,418.689 km

Perigee altitude

1,352.196 km

Semi-major axis

7,763.579 km

Eccentricity

0.00428

Inclination

101.9673°

RAAN

6.1275°

Arg. of periapsis

183.6127°

True anomaly

288.21293°

Mean anomaly

288.6786°

Eccentric anomaly

288.44584°

Mean motion

3.17285 °/min

Orbital period

113.46 mins

BSTAR

0.00010655

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

DELTA 1 R/B, 2758

DELTA 1 DEB, 2976

DELTA 1 DEB, 2977

ESSA 5 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.
15 mins	2025-07-20 10:49:45.725Z	163.148° S	2025-07-20 10:57:45.725Z	283.91° WNW	44.796°	2025-07-20 11:04:45.725Z	340.768° N
7 mins	2025-07-20 12:46:45.725Z	243.714° WSW	2025-07-20 12:49:45.725Z	267.447° W	14.941°	2025-07-20 12:53:45.725Z	298.771° NW
11 mins	2025-07-20 22:45:45.725Z	46.624° ENE	2025-07-20 22:50:45.725Z	92.356° ESE	24.637°	2025-07-20 22:56:45.725Z	147.849° SSE
13 mins	2025-07-21 00:36:45.725Z	8.13° NNE	2025-07-21 00:42:45.725Z	298.988° NW	41.265°	2025-07-21 00:49:45.725Z	217.442° SW
5 mins	2025-07-21 02:30:45.725Z	329.764° NNW	2025-07-21 02:32:45.725Z	313.885° NW	12.956°	2025-07-21 02:35:45.725Z	290.658° WNW

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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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.