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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3338 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Iowa
Mission
Civil Science
Bus & Motor
INJUN E, Unknown motor
Mass
70 kg wet, 70 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Cyl, 0.4 m
Radar Cross Section
0.609 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 EXPLORER 40 (INJUN-5)
1 03338U 68066B 25260.08827120 .00000116 00000-0 10739-3 0 9997
2 03338 80.6583 295.7591 1131225 139.7282 229.3414 12.23465036544914Epoch: 2025-09-17T02:07Z
TLE epoch observation values (Epoch: 2025-09-17T02:07:06.631Z)
Latitude
-0.00011°
Longitude
-92.28779°
Altitude
2,219.156 km
Speed
6.531 km/s
True Right ascension
19h 43m 02s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
19:53:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,474.558 km
Perigee altitude
675.225 km
Semi-major axis
7,953.029 km
Eccentricity
0.11312
Inclination
80.6583°
RAAN
295.7591°
Arg. of periapsis
139.7282°
True anomaly
220.37592°
Mean anomaly
229.3414°
Eccentric anomaly
224.77626°
Mean motion
3.06016 °/min
Orbital period
117.64 mins
BSTAR
0.00010739
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Other satellites on launch #66 in the year 1968 (1968-08-08 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 18 mins | 2025-09-18 03:41:58.149Z | 201.387° SSW | 2025-09-18 03:52:58.149Z | 288.222° WNW | 41.65° | 2025-09-18 03:59:58.149Z | 1.702° NNE |
| 7 mins | 2025-09-18 14:05:58.149Z | 355.398° N | 2025-09-18 14:08:58.149Z | 65.178° ENE | 44.087° | 2025-09-18 14:12:58.149Z | 164.885° S |
| 11 mins | 2025-09-19 01:20:58.149Z | 125.88° SE | 2025-09-19 01:26:58.149Z | 87.692° E | 19.449° | 2025-09-19 01:31:58.149Z | 48.016° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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