PULSAR-0, 64541
Orbit data source: Space-Track
PULSAR-0, 64541 is an American payload satellite in SSO that was launched on Mon, 23 Jun 2025 UTC via an FALCON 9 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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64541 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Aerospacelab
Mission
Operational Commercial Navigation
Bus & Motor
PULSAR, AOCS
Mass
149 kg wet, 144 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 1.0 m
Radar Cross Section
0.963 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 PULSAR-0
1 64541U 25135P 26133.06933755 .00002030 00000-0 97321-4 0 9990
2 64541 97.4657 248.0666 0001895 334.6827 25.4314 15.20049863 49491Epoch: 2026-05-13T01:39Z
TLE epoch observation values (Epoch: 2026-05-13T01:39:50.764Z)
Latitude
-0.0001°
Longitude
-7.72956°
Altitude
507.6 km
Speed
7.611 km/s
True Right ascension
16h 32m 15s
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
23:50:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
503.962 km
Perigee altitude
501.354 km
Semi-major axis
6,880.795 km
Eccentricity
0.00019
Inclination
97.4657°
RAAN
248.0666°
Arg. of periapsis
334.6827°
True anomaly
25.44073°
Mean anomaly
25.4314°
Eccentric anomaly
25.43606°
Mean motion
3.80264 °/min
Orbital period
94.67 mins
BSTAR
0.000097321
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Other satellites on launch #135 in the year 2025 (2025-06-23 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.PULSAR-0 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-13 19:38:04.428Z | 62.408° ENE | 2026-05-13 19:40:04.428Z | 101.2° ESE | 16.528° | 2026-05-13 19:42:04.428Z | 135.167° SSE |
| 4 mins | 2026-05-13 21:12:04.428Z | 327.432° NNW | 2026-05-13 21:14:04.428Z | 274.55° WNW | 23.969° | 2026-05-13 21:16:04.428Z | 236.27° WSW |
| 6 mins | 2026-05-14 07:49:04.428Z | 176.611° S | 2026-05-14 07:51:04.428Z | 212.343° SW | 42.179° | 2026-05-14 07:55:04.428Z | 343.749° N |
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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