EXPLORER 38 (RAE-A), 3307
Orbit data source: Space-Track
EXPLORER 38 (RAE-A), 3307 is a payload satellite owned by GSFC (US) that was launched on Thu, 04 Jul 1968 UTC via a THOR DELTA J 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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3307 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
GSFC/FAIRH
Mission
Spacecraft
Bus & Motor
RAE, Unknown motor
Mass
189 kg wet, 189 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 EXPLORER 38 (RAE-A)
1 03307U 68055A 25349.70817546 -.00000010 00000-0 00000-0 0 9990
2 03307 120.8685 66.8991 0013569 274.8237 85.0815 6.42414512347641Epoch: 2025-12-15T16:59Z
TLE epoch observation values (Epoch: 2025-12-15T16:59:46.359Z)
Latitude
-0.00006°
Longitude
87.35311°
Altitude
5,844.705 km
Speed
5.712 km/s
True Right ascension
04h 27m 35s
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
09:10:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
5,861.466 km
Perigee altitude
5,828.295 km
Semi-major axis
12,223.017 km
Eccentricity
0.00136
Inclination
120.8685°
RAAN
66.8991°
Arg. of periapsis
274.8237°
True anomaly
85.23644°
Mean anomaly
85.0815°
Eccentric anomaly
85.15897°
Mean motion
1.60611 °/min
Orbital period
224.14 mins
BSTAR
0
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Other satellites on launch #55 in the year 1968 (1968-07-04 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 38 (RAE-A) 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. |
|---|---|---|---|---|---|---|---|
| 26 mins | 2025-12-17 15:15:30.265Z | 74.815° E | 2025-12-17 15:28:30.265Z | 105.611° ESE | 14.403° | 2025-12-17 15:41:30.265Z | 136.449° SSE |
| 55 mins | 2025-12-17 18:32:30.265Z | 41.882° NE | 2025-12-17 18:59:30.265Z | 130.415° SE | 44.082° | 2025-12-17 19:27:30.265Z | 216.819° SW |
| 50 mins | 2025-12-17 21:59:30.265Z | 51.354° ENE | 2025-12-17 22:23:30.265Z | 344.301° N | 39.845° | 2025-12-17 22:49:30.265Z | 274.085° WNW |
| 52 mins | 2025-12-18 01:18:30.265Z | 95.143° ESE | 2025-12-18 01:43:30.265Z | 26.568° NE | 41.297° | 2025-12-18 02:10:30.265Z | 311.654° NW |
| 54 mins | 2025-12-18 04:43:30.265Z | 155.482° SSE | 2025-12-18 05:09:30.265Z | 235.708° WSW | 41.765° | 2025-12-18 05:37:30.265Z | 318.048° NNW |
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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