Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (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: 16 hours ago

TLE from 16 hours ago

0 EXPLORER 40 (INJUN-5)
1  3338U 68066B   25319.78081297  .00000569  00000-0  59285-3 0  9997
2  3338  80.6601 250.1052 1130933  17.5354 346.1635 12.23497527552215

Epoch: 2025-11-15T18:44Z

TLE epoch observation values (Epoch: 2025-11-15T18:44:22.240Z)

Latitude

-0.00003°

Longitude

-86.09251°

Altitude

713.165 km

Speed

7.897 km/s

True Right ascension

16h 40m 25s

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

07:06:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,474.169 km

Perigee altitude

675.332 km

Semi-major axis

7,952.888 km

Eccentricity

0.11309

Inclination

80.6601°

RAAN

250.1052°

Arg. of periapsis

17.5354°

True anomaly

342.57721°

Mean anomaly

346.1635°

Eccentric anomaly

344.42352°

Mean motion

3.06024 °/min

Orbital period

117.64 mins

BSTAR

0.00059285

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SCOUT B DEB, 3392

SCOUT B DEB, 23307 (Decayed)

SCOUT B DEB, 3390 (Decayed)

SCOUT B R/B, 3341

SCOUT B DEB, 29278

SCOUT B DEB, 29277 (Decayed)

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

SCOUT B DEB, 3342 (Decayed)

SCOUT B DEB, 3343 (Decayed)

SCOUT B DEB, 29279

SCOUT B DEB, 3393 (Decayed)

SCOUT B DEB, 3391 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

EXPLORER 40 (INJUN-5) Visibility forecast

Loading observer location...
Set Observer location

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	2025-11-16 20:21:42.118Z	189.671° SSW	2025-11-16 20:25:42.118Z	355.279° N	44.785°	2025-11-16 20:30:42.118Z	9.857° NNE
8 mins	2025-11-17 04:40:42.118Z	40.802° NE	2025-11-17 04:43:42.118Z	59.487° ENE	14.344°	2025-11-17 04:48:42.118Z	86.493° E
21 mins	2025-11-17 06:35:42.118Z	358.472° N	2025-11-17 06:44:42.118Z	89.116° E	41.987°	2025-11-17 06:56:42.118Z	157.971° S
18 mins	2025-11-17 08:35:42.118Z	325.639° NNW	2025-11-17 08:42:42.118Z	273.723° WNW	30.434°	2025-11-17 08:53:42.118Z	213.581° SW

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

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

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 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: 2025-11-15T18:44:22.240Z)

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