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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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ISO8601 Format

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 (58 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: 16 hours ago

TLE from 16 hours ago

0 EXPLORER 40 (INJUN-5)
1  3338U 68066B   26196.07297936  .00000035  00000-0  36268-4 0  9997
2  3338  80.6609  65.5753 1128735 243.3326 104.7910 12.23578792581720

Epoch: 2026-07-15T01:45Z

TLE epoch observation values (Epoch: 2026-07-15T01:45:05.416Z)

Latitude

0.00005°

Longitude

106.36871°

Altitude

1,899.036 km

Speed

6.8 km/s

True Right ascension

04h 22m 18s

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

05:51:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,472.029 km

Perigee altitude

676.768 km

Semi-major axis

7,952.535 km

Eccentricity

0.11287

Inclination

80.6609°

RAAN

65.5753°

Arg. of periapsis

243.3326°

True anomaly

116.77389°

Mean anomaly

104.791°

Eccentric anomaly

110.83527°

Mean motion

3.06045 °/min

Orbital period

117.63 mins

BSTAR

0.000036268

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

SCOUT B DEB, 3343 (Decayed)

SCOUT B DEB, 29279

SCOUT B DEB, 3342 (Decayed)

SCOUT B DEB, 29278

SCOUT B R/B, 3341

SCOUT B DEB, 3392

SCOUT B DEB, 3390 (Decayed)

SCOUT B DEB, 23307 (Decayed)

SCOUT B DEB, 29277 (Decayed)

SCOUT B DEB, 3393 (Decayed)

SCOUT B DEB, 3391 (Decayed)

EXPLORER 39 (ADI-3), 3337 (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.
24 mins	2026-07-15 17:32:44.469Z	227.25° WSW	2026-07-15 17:44:44.469Z	296.818° NW	33.546°	2026-07-15 17:56:44.469Z	359.854° N
5 mins	2026-07-15 19:46:44.469Z	312.822° NW	2026-07-15 19:48:44.469Z	321.468° NNW	10.983°	2026-07-15 19:51:44.469Z	334.35° NNW
17 mins	2026-07-16 02:00:44.469Z	0.177° NNE	2026-07-16 02:10:44.469Z	71.19° E	34.98°	2026-07-16 02:17:44.469Z	135.129° SSE
16 mins	2026-07-16 04:00:44.469Z	337.288° NNW	2026-07-16 04:09:44.469Z	269.929° W	34.928°	2026-07-16 04:16:44.469Z	206.968° SW
7 mins	2026-07-16 13:18:44.469Z	81.672° E	2026-07-16 13:21:44.469Z	68.13° E	12.284°	2026-07-16 13:25:44.469Z	50.552° ENE
24 mins	2026-07-16 15:06:44.469Z	159.011° S	2026-07-16 15:17:44.469Z	86.587° E	39.411°	2026-07-16 15:30:44.469Z	17.402° NNE
12 mins	2026-07-16 17:05:44.469Z	219.319° SW	2026-07-16 17:16:44.469Z	288.813° WNW	37.712°	2026-07-16 17:17:44.469Z	300.393° NW

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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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-07-15T01:45:05.416Z)

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: 16 hours ago