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
OCT CYL + 4 PAN + ANT, 15.0 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 OPS 1509 (TRANSIT 10)
1 01864U 65109A 26242.50828146 .00000128 00000-0 10834-3 0 9990
2 01864 89.0730 228.0338 0109253 350.3488 9.5579 13.79079326 46344Epoch: 2026-08-30T12:11Z
TLE epoch observation values (Epoch: 2026-08-30T12:11:55.518Z)
Latitude
0.00007°
Longitude
66.34961°
Altitude
891.022 km
Speed
7.446 km/s
True Right ascension
15h 12m 08s
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
19:03:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,044.38 km
Perigee altitude
883.947 km
Semi-major axis
7,342.3 km
Eccentricity
0.01093
Inclination
89.073°
RAAN
228.0338°
Arg. of periapsis
350.3488°
True anomaly
9.76861°
Mean anomaly
9.5579°
Eccentric anomaly
9.66297°
Mean motion
3.44981 °/min
Orbital period
104.35 mins
BSTAR
0.00010834
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-31 09:42:55.508Z | 50.077° ENE | 2026-08-31 09:45:55.508Z | 78.683° E | 12.934° | 2026-08-31 09:47:55.508Z | 97.505° ESE |
| 11 mins | 2026-08-31 11:25:55.508Z | 1.09° NNE | 2026-08-31 11:30:55.508Z | 185.023° SSW | 44.866° | 2026-08-31 11:36:55.508Z | 183.045° SSW |
| 4 mins | 2026-08-31 13:12:55.508Z | 300.831° NW | 2026-08-31 13:13:55.508Z | 290.946° WNW | 13.147° | 2026-08-31 13:16:55.508Z | 262.802° W |
| 9 mins | 2026-08-31 23:08:55.508Z | 157.963° S | 2026-08-31 23:12:55.508Z | 85.774° E | 40.784° | 2026-08-31 23:17:55.508Z | 8.496° NNE |
| 5 mins | 2026-09-01 00:55:55.508Z | 259.461° W | 2026-09-01 00:57:55.508Z | 284° WNW | 17.107° | 2026-09-01 01:00:55.508Z | 317.556° NNW |
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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