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OPS 4078 (DMSP 4B F2), 3510

Orbit data source: Space-Track

OPS 4078 (DMSP 4B F2), 3510 is a payload satellite owned by SAMSO (US) in SSO that was launched on Wed, 23 Oct 1968 UTC via a THOR BURNER 2 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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Identifier
3510, 1968-092A
Orbit
SSO
Country
Flag of USUS
Related business
Manufacturer
RCA/East Windsor
Mission
Non-operational Defense Weather
Bus & Motor
DMSP BLOCK 4B, Unknown motor
Mass
79 kg wet, 79 kg dry
Launch date (UTC)
1968-10-23 (57 years ago)
Launch vehicle
THOR BURNER 2
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cone, 0.4 m
Radar Cross Section
0.985 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago
0 OPS 4078 (DMSP 4B F2)
1 03510U 68092A   25259.57852700  .00000114  00000-0  62604-4 0  9999
2 03510  98.5416  22.5836 0030624  51.6202 308.7723 14.28121005958197
Epoch: 2025-09-16T13:53Z
TLE epoch observation values (Epoch: 2025-09-16T13:53:04.732Z)
Latitude
-0.00007°
Longitude
178.54708°
Altitude
787.226 km
Speed
7.467 km/s
True Right ascension
01h 30m 20s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow 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
19:43:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.126 km
Perigee altitude
773.191 km
Semi-major axis
7,173.295 km
Eccentricity
0.00306
Inclination
98.5416°
RAAN
22.5836°
Arg. of periapsis
51.6202°
True anomaly
308.49805°
Mean anomaly
308.7723°
Eccentric anomaly
308.63524°
Mean motion
3.57244 °/min
Orbital period
100.77 mins
BSTAR
0.000062604
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Other satellites on launch #92 in the year 1968 (1968-10-23 UTC)

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