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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: 1 day ago

TLE from 1 day ago
0 OPS 4078 (DMSP 4B F2)
1 03510U 68092A   25260.90970271  .00000115  00000-0  63345-4 0  9996
2 03510  98.5417  23.8858 0030575  47.8265 312.5506 14.28121460958385
Epoch: 2025-09-17T21:49Z
TLE epoch observation values (Epoch: 2025-09-17T21:49:58.314Z)
Latitude
0.00003°
Longitude
59.31394°
Altitude
786.144 km
Speed
7.468 km/s
True Right ascension
01h 35m 32s
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
17:14:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.089 km
Perigee altitude
773.224 km
Semi-major axis
7,173.294 km
Eccentricity
0.00306
Inclination
98.5417°
RAAN
23.8858°
Arg. of periapsis
47.8265°
True anomaly
312.29183°
Mean anomaly
312.5506°
Eccentric anomaly
312.42128°
Mean motion
3.57244 °/min
Orbital period
100.77 mins
BSTAR
0.000063345
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Other satellites on launch #92 in the year 1968 (1968-10-23 UTC)

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