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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: 7 hours ago

TLE from 7 hours ago

0 ESSA 5
1 02757U 67036A   26102.25963411 -.00000025  00000-0  11784-3 0  9997
2 02757 101.9893 282.2527 0042825  21.8551 150.8587 12.68541898730618

Epoch: 2026-04-12T06:13Z

TLE epoch observation values (Epoch: 2026-04-12T06:13:52.387Z)

Latitude

6.82734°

Longitude

169.76701°

Altitude

1,418.936 km

Speed

7.138 km/s

True Right ascension

06h 54m 48s

True Declination

6° 47' 25"

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

19:39:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,418.67 km

Perigee altitude

1,352.175 km

Semi-major axis

7,763.559 km

Eccentricity

0.00428

Inclination

101.9893°

RAAN

282.2527°

Arg. of periapsis

21.8551°

True anomaly

151.09656°

Mean anomaly

150.8587°

Eccentric anomaly

150.97774°

Mean motion

3.17287 °/min

Orbital period

113.46 mins

BSTAR

0.00011784

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

DELTA 1 DEB, 2977

DELTA 1 DEB, 2976

DELTA 1 R/B, 2758

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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.
7 mins	2026-04-12 23:02:55.440Z	63.096° ENE	2026-04-12 23:06:55.440Z	94.008° ESE	13.695°	2026-04-12 23:09:55.440Z	116.808° SE
15 mins	2026-04-13 00:51:55.440Z	20.523° NNE	2026-04-13 00:58:55.440Z	105.976° ESE	44.571°	2026-04-13 01:06:55.440Z	194.784° SSW
10 mins	2026-04-13 02:44:55.440Z	346.798° N	2026-04-13 02:49:55.440Z	301.602° NW	21.884°	2026-04-13 02:54:55.440Z	260.518° W
9 mins	2026-04-13 09:54:55.440Z	87.053° E	2026-04-13 09:58:55.440Z	51.229° ENE	19.603°	2026-04-13 10:03:55.440Z	10.02° NNE
14 mins	2026-04-13 11:42:55.440Z	161.622° S	2026-04-13 11:48:55.440Z	182.074° SSW	44.808°	2026-04-13 11:56:55.440Z	341.924° N

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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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-04-12T06:13:52.387Z)

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: 7 hours ago