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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

4 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 4 hours ago

0 EXPLORER 40 (INJUN-5)
1  3338U 68066B   25182.56196773  .00000056  00000-0  61065-4 0  9998
2  3338  80.6637 355.0445 1129760 298.5252  50.6606 12.23438488535441

Epoch: 2025-07-01T13:29Z

TLE epoch observation values (Epoch: 2025-07-01T13:29:14.011Z)

Latitude

-0.00004°

Longitude

-127.11953°

Altitude

1,077.992 km

Speed

7.54 km/s

True Right ascension

23h 40m 10s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

44.11044°

Longitude

-118.12479°

Altitude

1,744.58 km

Speed

6.939 km/s

Apparent Right ascension

21h 13m 04s

Apparent Declination

13° 15' 41"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

05:18:24

Azimuth

301.059° NW

Elevation

-13.946°

Doppler factor

Orbital elements

Apogee altitude

2,473.521 km

Perigee altitude

676.492 km

Semi-major axis

7,953.144 km

Eccentricity

0.11298

Inclination

80.6637°

RAAN

355.0445°

Arg. of periapsis

298.5252°

True anomaly

Unknown

Mean anomaly

50.6606°

Eccentric anomaly

Unknown

Mean motion

3.0601 °/min

Orbital period

117.64 mins

BSTAR

0.000061065

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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.
9 mins	2025-07-01 20:00:46.741Z	20.359° NNE	2025-07-01 20:05:46.741Z	42.098° NE	12.23°	2025-07-01 20:09:46.741Z	59.623° ENE
23 mins	2025-07-01 21:57:46.741Z	1.113° NNE	2025-07-01 22:09:46.741Z	70.883° E	35.326°	2025-07-01 22:20:46.741Z	135.767° SSE
24 mins	2025-07-01 23:56:46.741Z	343.123° N	2025-07-02 00:08:46.741Z	274.895° WNW	41.378°	2025-07-02 00:20:46.741Z	194.01° SSW
11 mins	2025-07-02 01:59:46.741Z	314.65° NW	2025-07-02 02:04:46.741Z	292.179° WNW	14.689°	2025-07-02 02:10:46.741Z	264.141° W
15 mins	2025-07-02 11:11:46.741Z	137.554° SSE	2025-07-02 11:17:46.741Z	76.758° E	31.901°	2025-07-02 11:26:46.741Z	22.682° NE
18 mins	2025-07-02 13:08:46.741Z	218.959° SW	2025-07-02 13:15:46.741Z	289.291° WNW	38.081°	2025-07-02 13:26:46.741Z	3.394° NNE
6 mins	2025-07-02 15:16:46.741Z	306.281° NW	2025-07-02 15:18:46.741Z	317.597° NNW	12.379°	2025-07-02 15:22:46.741Z	338.249° N

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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.