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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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
OCT CYL, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A 26262.40277705 .00000177 00000-0 60326-4 0 9993
2 02418 98.3548 53.7705 0116454 99.0857 262.3532 14.43945910125887Epoch: 2026-09-19T09:39Z
TLE epoch observation values (Epoch: 2026-09-19T09:39:59.937Z)
Latitude
-0.00001°
Longitude
-89.54105°
Altitude
760.438 km
Speed
7.468 km/s
True Right ascension
03h 35m 04s
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
21:35:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
825.524 km
Perigee altitude
659.676 km
Semi-major axis
7,120.737 km
Eccentricity
0.01165
Inclination
98.3548°
RAAN
53.7705°
Arg. of periapsis
99.0857°
True anomaly
261.03328°
Mean anomaly
262.3532°
Eccentric anomaly
261.69297°
Mean motion
3.61207 °/min
Orbital period
99.67 mins
BSTAR
0.000060326
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-09-20 09:06:28.763Z | 105.725° ESE | 2026-09-20 09:09:28.763Z | 60.388° ENE | 20.24° | 2026-09-20 09:12:28.763Z | 19.67° NNE |
| 7 mins | 2026-09-20 10:44:28.763Z | 200.164° SSW | 2026-09-20 10:47:28.763Z | 260.141° W | 40.254° | 2026-09-20 10:51:28.763Z | 329.137° NNW |
| 7 mins | 2026-09-20 22:50:28.763Z | 26.349° NE | 2026-09-20 22:53:28.763Z | 99.413° ESE | 59.958° | 2026-09-20 22:57:28.763Z | 179.72° S |
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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