Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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: 6 hours ago

TLE from 6 hours ago

0 ESSA 5
1 02757U 67036A   26121.97176927 -.00000043  00000-0  27979-4 0  9999
2 02757 101.9899 302.7180 0042658 343.1628 171.3033 12.68542295733110

Epoch: 2026-05-01T23:19Z

TLE epoch observation values (Epoch: 2026-05-01T23:19:20.864Z)

Latitude

24.89506°

Longitude

-81.38714°

Altitude

1,423.363 km

Speed

7.136 km/s

True Right ascension

08h 33m 23s

True Declination

24° 46' 31"

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

13:04:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,418.538 km

Perigee altitude

1,352.303 km

Semi-major axis

7,763.557 km

Eccentricity

0.00427

Inclination

101.9899°

RAAN

302.718°

Arg. of periapsis

343.1628°

True anomaly

171.37682°

Mean anomaly

171.3033°

Eccentric anomaly

171.3401°

Mean motion

3.17287 °/min

Orbital period

113.46 mins

BSTAR

0.000027979

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

ESSA 5 Visibility forecast

Loading observer location...
Set Observer location

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.
11 mins	2026-05-02 10:02:18.572Z	98.479° ESE	2026-05-02 10:07:18.572Z	57.493° ENE	20.949°	2026-05-02 10:13:18.572Z	7.268° NNE
13 mins	2026-05-02 11:52:18.572Z	165.177° S	2026-05-02 11:58:18.572Z	262.246° W	44.744°	2026-05-02 12:05:18.572Z	340.279° N
6 mins	2026-05-02 13:48:18.572Z	250.088° W	2026-05-02 13:50:18.572Z	266.263° W	13.866°	2026-05-02 13:54:18.572Z	297.813° NW
12 mins	2026-05-02 23:46:18.572Z	45.505° ENE	2026-05-02 23:52:18.572Z	101.972° ESE	25.774°	2026-05-02 23:58:18.572Z	152.074° SSE
14 mins	2026-05-03 01:37:18.572Z	7.999° NNE	2026-05-03 01:43:18.572Z	304.488° NW	41.071°	2026-05-03 01:51:18.572Z	217.057° SW
5 mins	2026-05-03 03:31:18.572Z	330.522° NNW	2026-05-03 03:33:18.572Z	314.965° NW	13.299°	2026-05-03 03:36:18.572Z	292.052° WNW

Items per page:

1–6 of 6 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-05-01T23:19:20.864Z)

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: 6 hours ago