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: 12 hours ago
TLE from 12 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A 25261.00763634 .00000398 00000-0 12051-3 0 9994
2 02418 98.3061 55.0914 0116747 128.4171 232.7571 14.43623490 73012Epoch: 2025-09-18T00:10Z
TLE epoch observation values (Epoch: 2025-09-18T00:10:59.779Z)
Latitude
-0.00006°
Longitude
55.16692°
Altitude
800.471 km
Speed
7.427 km/s
True Right ascension
03h 40m 21s
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
04:46:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
826.804 km
Perigee altitude
660.514 km
Semi-major axis
7,121.796 km
Eccentricity
0.01167
Inclination
98.3061°
RAAN
55.0914°
Arg. of periapsis
128.4171°
True anomaly
231.70148°
Mean anomaly
232.7571°
Eccentric anomaly
232.22835°
Mean motion
3.61126 °/min
Orbital period
99.69 mins
BSTAR
0.00012051
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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 | 2025-09-18 22:24:32.781Z | 49.941° ENE | 2025-09-18 22:27:32.781Z | 102.133° ESE | 22.294° | 2025-09-18 22:30:32.781Z | 147.144° SSE |
| 6 mins | 2025-09-19 00:03:32.781Z | 336.797° NNW | 2025-09-19 00:05:32.781Z | 299.147° NW | 25.989° | 2025-09-19 00:09:32.781Z | 232.747° WSW |
| 6 mins | 2025-09-19 09:36:32.781Z | 117.236° SE | 2025-09-19 09:39:32.781Z | 57.869° ENE | 27.805° | 2025-09-19 09:42:32.781Z | 12.291° NNE |
| 7 mins | 2025-09-19 11:14:32.781Z | 215.247° SW | 2025-09-19 11:17:32.781Z | 261.054° W | 23.938° | 2025-09-19 11:21:32.781Z | 319.647° 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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