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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

11 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 11 hours ago

0 ESSA 1 (OT-3)
1 01982U 66008A   25128.74088971  .00000218  00000-0  67646-4 0  9996
2 01982  97.8640 184.6346 0078640 273.7529  85.4676 14.48113703 99408

Epoch: 2025-05-08T17:46Z

Definitive object data (Epoch: 2025-05-08T17:46:52.87Z)

Latitude

-0.00006°

Longitude

51.10728°

Altitude

730.813 km

Speed

7.492 km/s

True Right ascension

12h 18m 32s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

-44.39791°

Longitude

59.28045°

Altitude

707.864 km

Speed

7.522 km/s

Apparent Right ascension

08h 07m 23s

Apparent Declination

-85° 55' 18"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

13:19:42

Azimuth

185.134° SSW

Elevation

-38.96°

Doppler factor

Orbital elements

Apogee altitude

784.788 km

Perigee altitude

673.008 km

Semi-major axis

7,107.035 km

Eccentricity

0.007864

Inclination

97.864°

RAAN

184.6346°

Arg. of periapsis

273.7529°

True anomaly

86.36659°

Mean anomaly

85.4676°

Eccentric anomaly

85.91703°

Mean motion

3.62252 °/min

BSTAR

0.000067646

Orbital period

99.38 mins

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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.
9 mins	2025-05-09 15:55:04.358Z	29.363° NE	2025-05-09 16:00:04.358Z	107.073° ESE	31.352°	2025-05-09 16:04:04.358Z	163.525° S
6 mins	2025-05-09 17:35:04.358Z	335.604° NNW	2025-05-09 17:38:04.358Z	289.054° WNW	22.801°	2025-05-09 17:41:04.358Z	246.317° WSW
8 mins	2025-05-10 03:05:04.358Z	132.76° SE	2025-05-10 03:09:04.358Z	56.194° ENE	32.38°	2025-05-10 03:13:04.358Z	3.714° NNE
5 mins	2025-05-10 04:45:04.358Z	234.937° WSW	2025-05-10 04:47:04.358Z	266.905° W	21.143°	2025-05-10 04:50:04.358Z	309.971° NW

Authenticating...

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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.