OPS 5798 (TRANSIT 5B-4), 897
Orbit data source: Space-Track
OPS 5798 (TRANSIT 5B-4), 897 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Tue, 06 Oct 1964 UTC via a THOR ABLESTAR 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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
NAFI
Mission
Spacecraft
Bus & Motor
TRANSIT 5, Unknown motor
Mass
~54 kg wet, ~54 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 OPS 5798 (TRANSIT 5B-4)
1 897U 64063B 25363.72359132 .00000070 00000-0 91742-4 0 9998
2 897 90.2336 71.5346 0018062 314.8131 169.3459 13.53715069 22295Epoch: 2025-12-29T17:21Z
TLE epoch observation values (Epoch: 2025-12-29T17:21:58.290Z)
Latitude
55.89555°
Longitude
-107.0322°
Altitude
1,081.209 km
Speed
7.31 km/s
True Right ascension
16h 47m 30s
True Declination
55° 44' 33"
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
04:33:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,069.093 km
Perigee altitude
1,042.239 km
Semi-major axis
7,433.803 km
Eccentricity
0.00181
Inclination
90.2336°
RAAN
71.5346°
Arg. of periapsis
314.8131°
True anomaly
169.38408°
Mean anomaly
169.3459°
Eccentric anomaly
169.365°
Mean motion
3.38631 °/min
Orbital period
106.31 mins
BSTAR
0.000091742
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Other satellites on launch #63 in the year 1964 (1964-10-06 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 5798 (TRANSIT 5B-4) 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 | 2025-12-30 05:15:38.183Z | 183.14° SSW | 2025-12-30 05:21:38.183Z | 237.452° WSW | 43.555° | 2025-12-30 05:27:38.183Z | 352.77° N |
| 11 mins | 2025-12-30 16:25:38.183Z | 21.196° NNE | 2025-12-30 16:30:38.183Z | 93.474° ESE | 35.475° | 2025-12-30 16:36:38.183Z | 159.063° S |
| 9 mins | 2025-12-30 18:12:38.183Z | 328.413° NNW | 2025-12-30 18:16:38.183Z | 278.064° WNW | 25.404° | 2025-12-30 18:21:38.183Z | 228.543° WSW |
| 10 mins | 2025-12-31 04:21:38.183Z | 142.477° SSE | 2025-12-31 04:25:38.183Z | 89.587° E | 34.857° | 2025-12-31 04:31:38.183Z | 12.225° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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