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: 11 hours ago
TLE from 11 hours ago
0 OPS 1509 (TRANSIT 10)
1 1864U 65109A 26062.56530848 .00000236 00000-0 20898-3 0 9996
2 1864 89.0622 245.7359 0109975 173.8964 186.3573 13.79029570 21540Epoch: 2026-03-03T13:34Z
TLE epoch observation values (Epoch: 2026-03-03T13:34:02.652Z)
Latitude
-0.00009°
Longitude
-119.11769°
Altitude
1,050.638 km
Speed
7.286 km/s
True Right ascension
16h 22m 56s
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
04:47:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,045.089 km
Perigee altitude
883.591 km
Semi-major axis
7,342.477 km
Eccentricity
0.011
Inclination
89.0622°
RAAN
245.7359°
Arg. of periapsis
173.8964°
True anomaly
186.21964°
Mean anomaly
186.3573°
Eccentric anomaly
186.28828°
Mean motion
3.44968 °/min
Orbital period
104.36 mins
BSTAR
0.00020898
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-03-04 12:17:53.830Z | 168.75° S | 2026-03-04 12:23:53.830Z | 107.19° ESE | 43.452° | 2026-03-04 12:29:53.830Z | 3.907° NNE |
| 6 mins | 2026-03-04 14:06:53.830Z | 259.168° W | 2026-03-04 14:08:53.830Z | 280.463° WNW | 16.222° | 2026-03-04 14:12:53.830Z | 320.548° NNW |
| 7 mins | 2026-03-04 23:16:53.830Z | 42.397° NE | 2026-03-04 23:19:53.830Z | 82.539° E | 21.449° | 2026-03-04 23:23:53.830Z | 129.673° SE |
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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