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
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 OPS 5798 (TRANSIT 5B-4)
1 897U 64063B 26196.15428962 .00000028 00000-0 27763-4 0 9993
2 897 90.2333 76.1815 0021619 96.2018 56.5606 13.53738250 49007Epoch: 2026-07-15T03:42Z
TLE epoch observation values (Epoch: 2026-07-15T03:42:10.623Z)
Latitude
27.06569°
Longitude
-92.25834°
Altitude
1,053.065 km
Speed
7.332 km/s
True Right ascension
17h 05m 12s
True Declination
26° 55' 56"
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
04:58:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,071.652 km
Perigee altitude
1,039.51 km
Semi-major axis
7,433.718 km
Eccentricity
0.00216
Inclination
90.2333°
RAAN
76.1815°
Arg. of periapsis
96.2018°
True anomaly
56.76764°
Mean anomaly
56.5606°
Eccentric anomaly
56.66409°
Mean motion
3.38637 °/min
Orbital period
106.31 mins
BSTAR
0.000027763
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-07-15 17:14:52.074Z | 210.135° SW | 2026-07-15 17:20:52.074Z | 284.298° WNW | 30.943° | 2026-07-15 17:25:52.074Z | 338.98° N |
| 11 mins | 2026-07-16 04:23:52.074Z | 3.496° NNE | 2026-07-16 04:28:52.074Z | 171.325° S | 44.603° | 2026-07-16 04:34:52.074Z | 183.473° SSW |
| 4 mins | 2026-07-16 06:11:52.074Z | 308.536° NW | 2026-07-16 06:13:52.074Z | 288.867° WNW | 13.422° | 2026-07-16 06:15:52.074Z | 269.622° W |
| 6 mins | 2026-07-16 16:18:52.074Z | 173.844° S | 2026-07-16 16:23:52.074Z | 135.415° SSE | 44.886° | 2026-07-16 16:24:52.074Z | 5.562° 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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