OPS 6026 (DMSP 4A F1), 2418
Orbit data source: Space-Track
OPS 6026 (DMSP 4A F1), 2418 is a payload satellite owned by USAF SSD (US) in SSO that was launched on Fri, 16 Sep 1966 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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2418 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
DMSP BLOCK 4A, Unknown motor
Mass
79 kg wet, 79 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A 25352.42402674 .00000389 00000-0 11865-3 0 9997
2 02418 98.3138 144.3849 0115003 211.3285 148.1019 14.43742660 86201Epoch: 2025-12-18T10:10Z
TLE epoch observation values (Epoch: 2025-12-18T10:10:35.910Z)
Latitude
-0.00009°
Longitude
-95.54445°
Altitude
818.951 km
Speed
7.407 km/s
True Right ascension
09h 37m 32s
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
22:39:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
825.165 km
Perigee altitude
661.369 km
Semi-major axis
7,121.404 km
Eccentricity
0.0115
Inclination
98.3138°
RAAN
144.3849°
Arg. of periapsis
211.3285°
True anomaly
148.78984°
Mean anomaly
148.1019°
Eccentric anomaly
148.44671°
Mean motion
3.61156 °/min
Orbital period
99.68 mins
BSTAR
0.00011865
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Other satellites on launch #82 in the year 1966 (1966-09-16 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.OPS 6026 (DMSP 4A F1) 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-19 00:03:23.820Z | 349.421° N | 2025-12-19 00:07:23.820Z | 291.289° WNW | 25.54° | 2025-12-19 00:10:23.820Z | 241.767° WSW |
| 8 mins | 2025-12-19 09:36:23.820Z | 128.087° SE | 2025-12-19 09:39:23.820Z | 82.339° E | 31.505° | 2025-12-19 09:44:23.820Z | 4.808° NNE |
| 7 mins | 2025-12-19 11:15:23.820Z | 219.085° SW | 2025-12-19 11:18:23.820Z | 263.016° W | 24.273° | 2025-12-19 11:22:23.820Z | 317.866° NNW |
| 8 mins | 2025-12-19 23:21:23.820Z | 8.224° NNE | 2025-12-19 23:25:23.820Z | 266.102° W | 43.839° | 2025-12-19 23:29:23.820Z | 201.455° SSW |
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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