OPS 1509 (TRANSIT 10), 1864
Orbit data source: Space-Track
OPS 1509 (TRANSIT 10), 1864 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Wed, 22 Dec 1965 UTC via an SCOUT A 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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1864 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Spacecraft
Bus & Motor
TRANSIT 5, Unknown motor
Mass
51 kg wet, 51 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 OPS 1509 (TRANSIT 10)
1 01864U 65109A 26092.67743353 .00000188 00000-0 16291-3 0 9996
2 01864 89.0666 242.7520 0111670 83.8278 277.5597 13.79041359 25696Epoch: 2026-04-02T16:15Z
TLE epoch observation values (Epoch: 2026-04-02T16:15:30.256Z)
Latitude
-0.00011°
Longitude
167.85345°
Altitude
960.392 km
Speed
7.376 km/s
True Right ascension
16h 11m 00s
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
08:07:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,046.291 km
Perigee altitude
882.305 km
Semi-major axis
7,342.435 km
Eccentricity
0.01117
Inclination
89.0666°
RAAN
242.752°
Arg. of periapsis
83.8278°
True anomaly
276.28895°
Mean anomaly
277.5597°
Eccentric anomaly
276.92455°
Mean motion
3.44971 °/min
Orbital period
104.36 mins
BSTAR
0.00016291
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Other satellites on launch #109 in the year 1965 (1965-12-22 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 1509 (TRANSIT 10) 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-04-03 09:46:50.054Z | 151.583° SSE | 2026-04-03 09:51:50.054Z | 85.439° E | 35.146° | 2026-04-03 09:56:50.054Z | 14.068° NNE |
| 7 mins | 2026-04-03 11:33:50.054Z | 243.473° WSW | 2026-04-03 11:36:50.054Z | 284.368° WNW | 21.339° | 2026-04-03 11:40:50.054Z | 329.718° NNW |
| 5 mins | 2026-04-03 20:44:50.054Z | 56.095° ENE | 2026-04-03 20:46:50.054Z | 78.528° E | 14.47° | 2026-04-03 20:49:50.054Z | 109.704° ESE |
| 9 mins | 2026-04-03 22:27:50.054Z | 353.012° N | 2026-04-03 22:31:50.054Z | 257.937° W | 43.298° | 2026-04-03 22:36:50.054Z | 192.224° SSW |
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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