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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Defense Navigation
Bus & Motor
TRANSIT 5, Unknown motor
Mass
51 kg wet, 51 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl + 4 Pan + 1 Rod, Unknown HBR
Radar Cross Section
7.565 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 OPS 1509 (TRANSIT 10)
1 01864U 65109A 25261.03761553 .00000182 00000-0 15960-3 0 9991
2 01864 89.0555 262.2716 0108589 320.8666 38.4683 13.78952552998590Epoch: 2025-09-18T00:54Z
TLE epoch observation values (Epoch: 2025-09-18T00:54:09.981Z)
Latitude
0.00002°
Longitude
-108.47495°
Altitude
908.472 km
Speed
7.429 km/s
True Right ascension
17h 29m 05s
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
05:59:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,044.348 km
Perigee altitude
884.88 km
Semi-major axis
7,342.751 km
Eccentricity
0.01086
Inclination
89.0555°
RAAN
262.2716°
Arg. of periapsis
320.8666°
True anomaly
39.25067°
Mean anomaly
38.4683°
Eccentric anomaly
38.85865°
Mean motion
3.44949 °/min
Orbital period
104.36 mins
BSTAR
0.0001596
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-18 13:41:33.917Z | 331.379° NNW | 2025-09-18 13:45:33.917Z | 288.579° WNW | 23.513° | 2025-09-18 13:50:33.917Z | 233.678° WSW |
| 9 mins | 2025-09-18 23:40:33.917Z | 130.144° SE | 2025-09-18 23:44:33.917Z | 74.43° E | 27.616° | 2025-09-18 23:49:33.917Z | 19.242° NNE |
| 9 mins | 2025-09-19 01:24:33.917Z | 219.07° SW | 2025-09-19 01:28:33.917Z | 276.105° WNW | 30.252° | 2025-09-19 01:33:33.917Z | 338.956° N |
| 11 mins | 2025-09-19 12:19:33.917Z | 3.812° NNE | 2025-09-19 12:24:33.917Z | 50.766° ENE | 44.46° | 2025-09-19 12:30:33.917Z | 178.36° S |
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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