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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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
OCT CYL + 4 PAN + ANT, 1.1 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 5798 (TRANSIT 5B-4)
1 00897U 64063B 26265.03655726 .00000030 00000-0 31091-4 0 9999
2 00897 90.2285 77.7851 0017697 255.6893 232.2131 13.53743904 58326Epoch: 2026-09-22T00:52Z
TLE epoch observation values (Epoch: 2026-09-22T00:52:38.547Z)
Latitude
52.35137°
Longitude
-115.98864°
Altitude
1,075.168 km
Speed
7.315 km/s
True Right ascension
17h 12m 19s
True Declination
52° 11' 31"
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
09:03:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,068.716 km
Perigee altitude
1,042.405 km
Semi-major axis
7,433.697 km
Eccentricity
0.00177
Inclination
90.2285°
RAAN
77.7851°
Arg. of periapsis
255.6893°
True anomaly
232.05305°
Mean anomaly
232.2131°
Eccentric anomaly
232.13305°
Mean motion
3.38638 °/min
Orbital period
106.31 mins
BSTAR
0.000031091
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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 | 2026-09-22 23:54:32.586Z | 4.673° NNE | 2026-09-22 23:59:32.586Z | 34.985° NE | 77.545° | 2026-09-23 00:06:32.586Z | 181.261° SSW |
| 5 mins | 2026-09-23 01:43:32.586Z | 307.356° NW | 2026-09-23 01:45:32.586Z | 287.116° WNW | 15.227° | 2026-09-23 01:48:32.586Z | 259.188° W |
| 11 mins | 2026-09-23 11:50:32.586Z | 170.57° S | 2026-09-23 11:55:32.586Z | 51.689° ENE | 79.991° | 2026-09-23 12:01:32.586Z | 359.716° N |
| 5 mins | 2026-09-23 13:40:32.586Z | 266.465° W | 2026-09-23 13:42:32.586Z | 286.659° WNW | 15.154° | 2026-09-23 13:45:32.586Z | 314.605° NW |
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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