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: 9 hours ago
TLE from 9 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A 26002.94839655 .00000997 00000-0 28264-3 0 9996
2 02418 98.3152 159.5585 0115868 164.2727 196.2112 14.43767264 88441Epoch: 2026-01-02T22:45Z
TLE epoch observation values (Epoch: 2026-01-02T22:45:41.461Z)
Latitude
-0.00006°
Longitude
75.55446°
Altitude
828.393 km
Speed
7.397 km/s
True Right ascension
10h 38m 14s
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
07:29:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
825.699 km
Perigee altitude
660.673 km
Semi-major axis
7,121.323 km
Eccentricity
0.01159
Inclination
98.3152°
RAAN
159.5585°
Arg. of periapsis
164.2727°
True anomaly
195.84561°
Mean anomaly
196.2112°
Eccentric anomaly
196.0279°
Mean motion
3.61162 °/min
Orbital period
99.68 mins
BSTAR
0.00028264
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-01-03 08:55:16.358Z | 89.937° E | 2026-01-03 08:57:16.358Z | 64.567° ENE | 15.406° | 2026-01-03 09:00:16.358Z | 27.713° NE |
| 9 mins | 2026-01-03 10:31:16.358Z | 178.428° S | 2026-01-03 10:35:16.358Z | 244.084° WSW | 42.112° | 2026-01-03 10:40:16.358Z | 340.26° N |
| 6 mins | 2026-01-03 22:39:16.358Z | 41.646° NE | 2026-01-03 22:42:16.358Z | 110.689° ESE | 31.054° | 2026-01-03 22:45:16.358Z | 161.731° S |
| 5 mins | 2026-01-04 00:18:16.358Z | 326.629° NNW | 2026-01-04 00:20:16.358Z | 294.007° NW | 18.907° | 2026-01-04 00:23:16.358Z | 250.243° W |
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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