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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 OPS 6026 (DMSP 4A F1)
1 2418U 66082A 26119.85913242 .00000472 00000-0 14028-3 0 9991
2 2418 98.3349 273.9619 0115666 170.1171 190.2334 14.43868918105317Epoch: 2026-04-29T20:37Z
TLE epoch observation values (Epoch: 2026-04-29T20:37:09.041Z)
Latitude
0.00003°
Longitude
106.86018°
Altitude
829.838 km
Speed
7.396 km/s
True Right ascension
18h 15m 50s
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
10:24:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
825.218 km
Perigee altitude
660.487 km
Semi-major axis
7,120.99 km
Eccentricity
0.01157
Inclination
98.3349°
RAAN
273.9619°
Arg. of periapsis
170.1171°
True anomaly
190.00123°
Mean anomaly
190.2334°
Eccentric anomaly
190.11699°
Mean motion
3.61187 °/min
Orbital period
99.67 mins
BSTAR
0.00014028
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-30 10:02:14.063Z | 157.812° S | 2026-04-30 10:07:14.063Z | 51.033° ENE | 43.58° | 2026-04-30 10:11:14.063Z | 352.108° N |
| 5 mins | 2026-04-30 22:11:14.063Z | 60.567° ENE | 2026-04-30 22:13:14.063Z | 93.966° ESE | 19.619° | 2026-04-30 22:16:14.063Z | 139.358° SSE |
| 6 mins | 2026-04-30 23:49:14.063Z | 344.622° N | 2026-04-30 23:52:14.063Z | 282.06° WNW | 29.551° | 2026-04-30 23:55:14.063Z | 230.641° WSW |
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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