Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/1982?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/1982?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

1982, 1966-008A

Orbit

SSO

Last TLE update

5 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 5 hours ago

0 ESSA 1 (OT-3)
1  1982U 66008A   25182.15216369  .00000154  00000-0  50369-4 0  9998
2  1982  97.8603 234.3560 0081384 108.5689 252.4368 14.48139238127899

Epoch: 2025-07-01T03:39Z

TLE epoch observation values (Epoch: 2025-07-01T03:39:06.942Z)

Latitude

0°

Longitude

-99.87465°

Altitude

752.603 km

Speed

7.469 km/s

True Right ascension

15h 37m 25s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-25.14734°

Longitude

-95.99023°

Altitude

780.454 km

Speed

7.442 km/s

Apparent Right ascension

12h 51m 08s

Apparent Declination

-48° 58' 29"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

20:08:41

Azimuth

234.675° WSW

Elevation

-40.633°

Doppler factor

Orbital elements

Apogee altitude

786.653 km

Perigee altitude

670.975 km

Semi-major axis

7,106.951 km

Eccentricity

0.00814

Inclination

97.8603°

RAAN

234.356°

Arg. of periapsis

108.5689°

True anomaly

Unknown

Mean anomaly

252.4368°

Eccentric anomaly

Unknown

Mean motion

3.62258 °/min

Orbital period

99.38 mins

BSTAR

0.000050369

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
7 mins	2025-07-01 15:50:33.861Z	32.432° NE	2025-07-01 15:54:33.861Z	114.342° SE	32.252°	2025-07-01 15:57:33.861Z	163.416° S
4 mins	2025-07-01 17:30:33.861Z	320.361° NNW	2025-07-01 17:32:33.861Z	287.09° WNW	18.263°	2025-07-01 17:34:33.861Z	257.537° W
7 mins	2025-07-02 03:00:33.861Z	135.464° SSE	2025-07-02 03:03:33.861Z	73.604° E	34.941°	2025-07-02 03:07:33.861Z	3.105° NNE
4 mins	2025-07-02 04:40:33.861Z	242.878° WSW	2025-07-02 04:42:33.861Z	273.711° WNW	17.008°	2025-07-02 04:44:33.861Z	301.86° NW

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 ascending order

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.