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 Defense Weather
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
Oct Cyl, 0.4 m
Radar Cross Section
0.655 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A 25259.13623418 .00000423 00000-0 12728-3 0 9990
2 02418 98.3058 53.2650 0116677 134.0400 227.0475 14.43621868 72741Epoch: 2025-09-16T03:16Z
TLE epoch observation values (Epoch: 2025-09-16T03:16:10.633Z)
Latitude
0.00005°
Longitude
8.88982°
Altitude
806.686 km
Speed
7.42 km/s
True Right ascension
03h 33m 03s
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
05:26:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
826.759 km
Perigee altitude
660.569 km
Semi-major axis
7,121.801 km
Eccentricity
0.01167
Inclination
98.3058°
RAAN
53.265°
Arg. of periapsis
134.04°
True anomaly
226.07859°
Mean anomaly
227.0475°
Eccentric anomaly
226.56208°
Mean motion
3.61126 °/min
Orbital period
99.69 mins
BSTAR
0.00012728
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-16 22:10:57.142Z | 62.997° ENE | 2025-09-16 22:12:57.142Z | 93.744° ESE | 16.621° | 2025-09-16 22:14:57.142Z | 124.218° SE |
| 7 mins | 2025-09-16 23:48:57.142Z | 349.295° N | 2025-09-16 23:51:57.142Z | 281.415° WNW | 33.099° | 2025-09-16 23:55:57.142Z | 219.456° SW |
| 5 mins | 2025-09-17 09:22:57.142Z | 100.919° ESE | 2025-09-17 09:24:57.142Z | 67.184° ENE | 22.448° | 2025-09-17 09:27:57.142Z | 21.434° NNE |
| 7 mins | 2025-09-17 10:59:57.142Z | 202.23° SSW | 2025-09-17 11:02:57.142Z | 249.932° W | 30.413° | 2025-09-17 11:06:57.142Z | 323.411° 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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