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ESSA 1 (OT-3), 1982

Orbit data source: Space-Track

ESSA 1 (OT-3), 1982 is a payload satellite owned by ESSA (US) in SSO that was launched on Thu, 03 Feb 1966 UTC via a THOR DELTA C launch vehicle from the Air Force Eastern Test Range (AFETR). 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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https://www.satcat.com/sats-embedded/1982?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1982, 1966-008A

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

138 kg wet, 138 kg dry

Launch date (UTC)

1966-02-03 (59 years ago)

Launch vehicle

THOR DELTA C

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.07 m

Radar Cross Section

0.920 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 ESSA 1 (OT-3)
1 01982U 66008A   25183.87954408  .00000158  00000-0  51410-4 0  9993
2 01982  97.8602 235.9636 0081415 103.3253 257.7036 14.48139924107388

Epoch: 2025-07-02T21:06Z

TLE epoch observation values (Epoch: 2025-07-02T21:06:32.608Z)

Latitude

-0°

Longitude

-1.82658°

Altitude

747.489 km

Speed

7.474 km/s

True Right ascension

15h 43m 51s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-73.27882°

Longitude

151.27524°

Altitude

810.007 km

Speed

7.42 km/s

Apparent Right ascension

03h 52m 33s

Apparent Declination

-58° 51' 24"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:40:02

Azimuth

162.216° S

Elevation

-69.615°

Doppler factor

Orbital elements

Apogee altitude

786.673 km

Perigee altitude

670.951 km

Semi-major axis

7,106.949 km

Eccentricity

0.00814

Inclination

97.8602°

RAAN

235.9636°

Arg. of periapsis

103.3253°

True anomaly

Unknown

Mean anomaly

257.7036°

Eccentric anomaly

Unknown

Mean motion

3.62258 °/min

Orbital period

99.38 mins

BSTAR

0.00005141

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Other satellites on launch #8 in the year 1966 (1966-02-03 UTC)

DELTA 1 R/B, 1983

DELTA 1 DEB, 2085 (Decayed)

DELTA 1 DEB, 2118

DELTA 1 DEB, 2154

ESSA 1 (OT-3) 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.
8 mins	2025-07-03 15:55:37.210Z	27.742° NE	2025-07-03 15:59:37.210Z	107.254° ESE	35.916°	2025-07-03 16:03:37.210Z	171.958° S
4 mins	2025-07-03 17:35:37.210Z	322.278° NNW	2025-07-03 17:37:37.210Z	291.905° WNW	16.511°	2025-07-03 17:39:37.210Z	263.032° W
7 mins	2025-07-04 03:05:37.210Z	142.386° SSE	2025-07-04 03:08:37.210Z	86.281° E	37.399°	2025-07-04 03:12:37.210Z	1.434° NNE

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Check out ESSA 1 (OT-3), 1982 on other resources

View ESSA 1 (OT-3), 1982 on NASA - NSSDCA Website

View ESSA 1 (OT-3), 1982 on Heavens-Above

View ESSA 1 (OT-3), 1982 on Keep Track

View ESSA 1 (OT-3), 1982 on Celestrak

View ESSA 1 (OT-3), 1982 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.