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EXPLORER 40 (INJUN-5), 3338

Orbit data source: Space-Track

EXPLORER 40 (INJUN-5), 3338 is a payload satellite owned by NASA LaRC (US) in LEO that was launched on Thu, 08 Aug 1968 UTC via an SCOUT B 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.

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<iframe src="https://www.satcat.com/sats-embedded/3338?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/3338?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3338, 1968-066B

Orbit

LEO

Last TLE update

6 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Iowa

Mission

Civil Science

Bus & Motor

INJUN E, Unknown motor

Mass

70 kg wet, 70 kg dry

Launch date (UTC)

1968-08-08 (57 years ago)

Launch vehicle

SCOUT B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Cyl, 0.76 m

Radar Cross Section

0.609 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 EXPLORER 40 (INJUN-5)
1 03338U 68066B   25182.88904957  .00000063  00000-0  67918-4 0  9995
2 03338  80.6638 354.7942 1129753 297.8550  51.2533 12.23438545535478

Epoch: 2025-07-01T21:20Z

TLE epoch observation values (Epoch: 2025-07-01T21:20:13.882Z)

Latitude

-0.00007°

Longitude

114.55831°

Altitude

1,086.251 km

Speed

7.533 km/s

True Right ascension

23h 39m 10s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

75.8072°

Longitude

-105.98345°

Altitude

2,443.144 km

Speed

6.358 km/s

Apparent Right ascension

04h 59m 33s

Apparent Declination

38° 21' 33"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

15:30:01

Azimuth

342.401° N

Elevation

-9.085°

Doppler factor

Orbital elements

Apogee altitude

2,473.515 km

Perigee altitude

676.498 km

Semi-major axis

7,953.143 km

Eccentricity

0.11298

Inclination

80.6638°

RAAN

354.7942°

Arg. of periapsis

297.855°

True anomaly

Unknown

Mean anomaly

51.2533°

Eccentric anomaly

Unknown

Mean motion

3.0601 °/min

Orbital period

117.64 mins

BSTAR

0.000067918

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Other satellites on launch #66 in the year 1968 (1968-08-08 UTC)

EXPLORER 39 (ADI-3), 3337 (Decayed)

SCOUT B R/B, 3341

SCOUT B DEB, 3342 (Decayed)

SCOUT B DEB, 3343 (Decayed)

SCOUT B DEB, 3390 (Decayed)

SCOUT B DEB, 3391 (Decayed)

SCOUT B DEB, 3392

SCOUT B DEB, 3393 (Decayed)

SCOUT B DEB, 23307 (Decayed)

SCOUT B DEB, 29277 (Decayed)

SCOUT B DEB, 29278

SCOUT B DEB, 29279

EXPLORER 40 (INJUN-5) 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.
16 mins	2025-07-02 11:10:43.597Z	143.029° SSE	2025-07-02 11:17:43.597Z	77.4° E	31.922°	2025-07-02 11:26:43.597Z	22.797° NE
18 mins	2025-07-02 13:08:43.597Z	218.776° SW	2025-07-02 13:15:43.597Z	288.344° WNW	38.075°	2025-07-02 13:26:43.597Z	3.302° NNE
6 mins	2025-07-02 15:16:43.597Z	305.983° NW	2025-07-02 15:18:43.597Z	317.305° NNW	12.373°	2025-07-02 15:22:43.597Z	338.004° N
22 mins	2025-07-02 21:30:43.597Z	3.425° NNE	2025-07-02 21:41:43.597Z	61.679° ENE	31.05°	2025-07-02 21:52:43.597Z	125.057° SE
24 mins	2025-07-02 23:29:43.597Z	346.257° N	2025-07-02 23:42:43.597Z	250.697° W	43.859°	2025-07-02 23:53:43.597Z	184.573° SSW
15 mins	2025-07-03 01:31:43.597Z	320.865° NNW	2025-07-03 01:38:43.597Z	287.642° WNW	19.099°	2025-07-03 01:46:43.597Z	248.143° W

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Check out EXPLORER 40 (INJUN-5), 3338 on other resources

View EXPLORER 40 (INJUN-5), 3338 on NASA - NSSDCA Website

View EXPLORER 40 (INJUN-5), 3338 on Heavens-Above

View EXPLORER 40 (INJUN-5), 3338 on Keep Track

View EXPLORER 40 (INJUN-5), 3338 on Celestrak

View EXPLORER 40 (INJUN-5), 3338 on Gunter's Space Page

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