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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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https://www.satcat.com/sats-embedded/3307?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3307, 1968-055A

Orbit

Active

Last TLE update

11 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

GSFC/FAIRH

Mission

Civil Astronomy

Bus & Motor

RAE, Unknown motor

Mass

189 kg wet, 189 kg dry

Launch date (UTC)

1968-07-04 (57 years ago)

Launch vehicle

THOR DELTA J

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 4 Rod, 228 m

Radar Cross Section

0.884 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 11 hours ago

0 EXPLORER 38 (RAE-A)
1  3307U 68055A   25196.39132350 -.00000010  00000-0  00000+0 0  9997
2  3307 120.8574 346.4422 0005267 205.2540 154.7805  6.42447105337898

Epoch: 2025-07-15T09:23Z

TLE epoch observation values (Epoch: 2025-07-15T09:23:30.35Z)

Latitude

0.00003°

Longitude

-87.92079°

Altitude

5,851.517 km

Speed

5.708 km/s

True Right ascension

23h 05m 46s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-5.89789°

Longitude

-84.15041°

Altitude

5,852.115 km

Speed

5.708 km/s

Apparent Right ascension

22h 43m 05s

Apparent Declination

-17° 54' 23"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

09:06:55

Azimuth

309.697° NW

Elevation

-59.747°

Doppler factor

Orbital elements

Apogee altitude

5,850.903 km

Perigee altitude

5,838.028 km

Semi-major axis

12,222.603 km

Eccentricity

0.00053

Inclination

120.8574°

RAAN

346.4422°

Arg. of periapsis

205.254°

True anomaly

Unknown

Mean anomaly

154.7805°

Eccentric anomaly

Unknown

Mean motion

1.60619 °/min

Orbital period

224.13 mins

BSTAR

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Other satellites on launch #55 in the year 1968 (1968-07-04 UTC)

DELTA 1 R/B, 3315

EXPLORER 38 DEB, 3848

DELTA 1 DEB, 4841

DELTA 1 DEB, 25270

DELTA 1 DEB, 26672

DELTA 1 DEB, 26673 (Decayed)

EXPLORER 38 DEB, 28608

EXPLORER 38 (RAE-A) Visibility forecast

Observer location: undefined°, undefined°

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.
51 mins	2025-07-15 21:42:37.107Z	46.653° ENE	2025-07-15 22:08:37.107Z	118.686° SE	35.254°	2025-07-15 22:33:37.107Z	187.107° SSW
53 mins	2025-07-16 01:09:37.107Z	43.476° NE	2025-07-16 01:35:37.107Z	330.382° NNW	43.642°	2025-07-16 02:02:37.107Z	248.65° W
49 mins	2025-07-16 04:32:37.107Z	71.474° E	2025-07-16 04:56:37.107Z	7.384° NNE	38.408°	2025-07-16 05:21:37.107Z	299.094° NW
54 mins	2025-07-16 07:52:37.107Z	126.795° SE	2025-07-16 08:19:37.107Z	26.609° NE	44.947°	2025-07-16 08:46:37.107Z	318.455° NNW
43 mins	2025-07-16 11:27:37.107Z	194.074° SSW	2025-07-16 11:48:37.107Z	248.242° W	26.169°	2025-07-16 12:10:37.107Z	304.679° NW
11 mins	2025-07-16 20:20:37.107Z	64.769° ENE	2025-07-16 20:31:37.107Z	90.512° ESE	18.375°	2025-07-16 20:31:37.107Z	90.512° ESE

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Check out EXPLORER 38 (RAE-A), 3307 on other resources

View EXPLORER 38 (RAE-A), 3307 on NASA - NSSDCA Website

View EXPLORER 38 (RAE-A), 3307 on Heavens-Above

View EXPLORER 38 (RAE-A), 3307 on Keep Track

View EXPLORER 38 (RAE-A), 3307 on Celestrak

View EXPLORER 38 (RAE-A), 3307 on Gunter's Space Page

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