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ESSA 1 (OT-3), 1982

Orbit data source: Space-Track

ESSA 1 (OT-3), 1982 is a payload satellite 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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Iframe URL

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

9 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 9 hours ago

0 ESSA 1 (OT-3)
1  1982U 66008A   25141.66189679  .00000131  00000-0  45106-4 0  9990
2  1982  97.8629 196.6655 0078920 233.2165 126.1769 14.48119770122031

Epoch: 2025-05-21T15:53Z

TLE epoch observation values (Epoch: 2025-05-21T15:53:07.882Z)

Latitude

-0.00002°

Longitude

78.84006°

Altitude

768.19 km

Speed

7.453 km/s

True Right ascension

13h 06m 39s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

8.54786°

Longitude

-99.62456°

Altitude

706.306 km

Speed

7.518 km/s

Apparent Right ascension

23h 53m 32s

Apparent Declination

-15° 32' 20"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:57:32

Azimuth

305.667° NW

Elevation

-54.905°

Doppler factor

Orbital elements

Apogee altitude

784.966 km

Perigee altitude

672.789 km

Semi-major axis

7,107.015 km

Eccentricity

0.00789

Inclination

97.8629°

RAAN

196.6655°

Arg. of periapsis

233.2165°

True anomaly

Unknown

Mean anomaly

126.1769°

Eccentric anomaly

Unknown

Mean motion

3.62253 °/min

Orbital period

99.38 mins

BSTAR

0.000045106

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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	2025-05-22 03:37:21.206Z	164.762° S	2025-05-22 03:41:21.206Z	356.478° N	44.089°	2025-05-22 03:45:21.206Z	348.25° N
7 mins	2025-05-22 15:42:21.206Z	43.703° NE	2025-05-22 15:45:21.206Z	91.202° ESE	25.435°	2025-05-22 15:49:21.206Z	152.304° SSE
6 mins	2025-05-22 17:21:21.206Z	336.508° NNW	2025-05-22 17:23:21.206Z	302.569° NW	26.201°	2025-05-22 17:27:21.206Z	236.136° WSW

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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.