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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

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: 18 hours ago

TLE from 18 hours ago

0 ESSA 5
1 02757U 67036A   26031.49460255 -.00000034  00000-0  74715-4 0  9996
2 02757 101.9804 208.7984 0042940 160.1562 265.3093 12.68540532721648

Epoch: 2026-01-31T11:52Z

TLE epoch observation values (Epoch: 2026-01-31T11:52:13.660Z)

Latitude

62.51233°

Longitude

-123.9193°

Altitude

1,401.302 km

Speed

7.164 km/s

True Right ascension

12h 19m 25s

True Declination

62° 22' 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

07:49:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,418.764 km

Perigee altitude

1,352.09 km

Semi-major axis

7,763.564 km

Eccentricity

0.00429

Inclination

101.9804°

RAAN

208.7984°

Arg. of periapsis

160.1562°

True anomaly

264.81911°

Mean anomaly

265.3093°

Eccentric anomaly

265.06418°

Mean motion

3.17286 °/min

Orbital period

113.46 mins

BSTAR

0.000074715

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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.
14 mins	2026-02-01 10:22:03.854Z	124.163° SE	2026-02-01 10:29:03.854Z	59.463° ENE	32.343°	2026-02-01 10:36:03.854Z	356.802° N
13 mins	2026-02-01 12:14:03.854Z	191.33° SSW	2026-02-01 12:20:03.854Z	255.298° W	36.156°	2026-02-01 12:27:03.854Z	328.283° NNW
13 mins	2026-02-02 00:08:03.854Z	32.781° NE	2026-02-02 00:14:03.854Z	107.507° ESE	38.171°	2026-02-02 00:21:03.854Z	176.802° S
11 mins	2026-02-02 02:00:03.854Z	352.753° N	2026-02-02 02:05:03.854Z	299.635° NW	29.578°	2026-02-02 02:11:03.854Z	242.796° 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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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

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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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-01-31T11:52:13.660Z)

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: 18 hours ago