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

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Identifier

3338, 1968-066B

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Iowa

Mission

Spacecraft

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

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 23 hours ago

TLE from 23 hours ago

0 EXPLORER 40 (INJUN-5)
1 03338U 68066B   25348.07071140  .00000182  00000-0  19202-3 0  9993
2 03338  80.6611 228.4723 1130638 319.6313  32.5903 12.23516142555674

Epoch: 2025-12-14T01:41Z

TLE epoch observation values (Epoch: 2025-12-14T01:41:49.464Z)

Latitude

-0.00003°

Longitude

120.02729°

Altitude

856.237 km

Speed

7.755 km/s

True Right ascension

15h 13m 53s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

22:55:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,473.844 km

Perigee altitude

675.495 km

Semi-major axis

7,952.807 km

Eccentricity

0.11306

Inclination

80.6611°

RAAN

228.4723°

Arg. of periapsis

319.6313°

True anomaly

40.48087°

Mean anomaly

32.5903°

Eccentric anomaly

36.43797°

Mean motion

3.06029 °/min

Orbital period

117.64 mins

BSTAR

0.00019202

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

SCOUT B DEB, 29277 (Decayed)

SCOUT B DEB, 29279

SCOUT B DEB, 29278

SCOUT B R/B, 3341

SCOUT B DEB, 23307 (Decayed)

SCOUT B DEB, 3393 (Decayed)

SCOUT B DEB, 3343 (Decayed)

SCOUT B DEB, 3392

SCOUT B DEB, 3390 (Decayed)

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

SCOUT B DEB, 3391 (Decayed)

SCOUT B DEB, 3342 (Decayed)

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EXPLORER 40 (INJUN-5) Visibility forecast

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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.
21 mins	2025-12-15 01:49:31.894Z	6.738° NNE	2025-12-15 01:59:31.894Z	57.611° ENE	25.956°	2025-12-15 02:10:31.894Z	113.49° SE
25 mins	2025-12-15 03:48:31.894Z	350.177° N	2025-12-15 04:00:31.894Z	21.884° NNE	44.958°	2025-12-15 04:13:31.894Z	172.698° S
19 mins	2025-12-15 05:49:31.894Z	326.506° NNW	2025-12-15 05:58:31.894Z	280.052° WNW	25.605°	2025-12-15 06:08:31.894Z	231.017° WSW
8 mins	2025-12-15 15:08:31.894Z	99.082° ESE	2025-12-15 15:11:31.894Z	73.631° E	16.302°	2025-12-15 15:16:31.894Z	39.87° NE
15 mins	2025-12-15 17:03:31.894Z	193.056° SSW	2025-12-15 17:08:31.894Z	286.766° WNW	44.825°	2025-12-15 17:18:31.894Z	9.536° NNE
9 mins	2025-12-15 19:06:31.894Z	282.787° WNW	2025-12-15 19:10:31.894Z	314.301° NW	16.795°	2025-12-15 19:15:31.894Z	344.896° N

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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.

EXPLORER 40 (INJUN-5), 3338

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2025-12-14T01:41:49.464Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

EXPLORER 40 (INJUN-5) Visibility forecast

Co-orbital & Co-planar RSOs

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

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago