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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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Identifier
2418, 1966-082A
Orbit
SSO
Last TLE update
14 hours ago
Origin
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)
1966-09-16 (59 years ago)
Launch vehicle
THOR BURNER 2
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Oct Cyl, 0.8 m
Radar Cross Section
0.655 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 14 hours ago
0 OPS 6026 (DMSP 4A F1)
1 02418U 66082A   25193.91301970  .00000118  00000-0  45290-4 0  9991
2 02418  98.2961 349.6566 0115279 332.5846  26.9291 14.43562549 63334
Epoch: 2025-07-12T21:54Z
TLE epoch observation values (Epoch: 2025-07-12T21:54:44.902Z)
Latitude
-0.00007°
Longitude
89.92574°
Altitude
676.666 km
Speed
7.557 km/s
True Right ascension
23h 18m 37s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
44.22796°
Longitude
82.35846°
Altitude
729.651 km
Speed
7.507 km/s
Apparent Right ascension
17h 53m 05s
Apparent Declination
31° 58' 51"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
23:51:20
Azimuth
295.362° NW
Elevation
20.171°
Doppler factor
1
Orbital elements
Apogee altitude
825.961 km
Perigee altitude
661.757 km
Semi-major axis
7,121.996 km
Eccentricity
0.01153
Inclination
98.2961°
RAAN
349.6566°
Arg. of periapsis
332.5846°
True anomaly
Unknown
Mean anomaly
26.9291°
Eccentric anomaly
Unknown
Mean motion
3.61111 °/min
Orbital period
99.69 mins
BSTAR
0.00004529
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Other satellites on launch #82 in the year 1966 (1966-09-16 UTC)

OPS 6026 (DMSP 4A F1) Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-07-13 23:26:25.401Z8.882° NNE2025-07-13 23:30:25.401Z306.53° NW44.207°2025-07-13 23:35:25.401Z200.456° SSW
4 mins2025-07-14 09:01:25.401Z87.398° E2025-07-14 09:03:25.401Z61.149° ENE13.976°2025-07-14 09:05:25.401Z35.381° NE
7 mins2025-07-14 10:38:25.401Z181.905° SSW2025-07-14 10:41:25.401Z258.401° W42.06°2025-07-14 10:45:25.401Z338.779° N
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