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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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<iframe src="https://www.satcat.com/sats-embedded/64541?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/64541?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64541, 2025-135P

Orbit

SSO

Country

Related business

Xona Space Systems (US)

Manufacturer

Aerospacelab

Mission

Operational Commercial Navigation

Bus & Motor

PULSAR, AOCS

Mass

149 kg wet, 144 kg dry

Launch date (UTC)

2025-06-23 (7 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 1.0 m

Radar Cross Section

0.963 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 PULSAR-0
1 64541U 25135P   26036.21246501  .00005831  00000-0  27955-3 0  9992
2 64541  97.4564 152.3309 0001807 295.2673  64.8374 15.19288648 34786

Epoch: 2026-02-05T05:05Z

TLE epoch observation values (Epoch: 2026-02-05T05:05:56.976Z)

Latitude

-0.00007°

Longitude

-59.52442°

Altitude

510.548 km

Speed

7.609 km/s

True Right ascension

10h 09m 19s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

14:13:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

506.202 km

Perigee altitude

503.714 km

Semi-major axis

6,883.095 km

Eccentricity

0.00018

Inclination

97.4564°

RAAN

152.3309°

Arg. of periapsis

295.2673°

True anomaly

64.85614°

Mean anomaly

64.8374°

Eccentric anomaly

64.84677°

Mean motion

3.80073 °/min

Orbital period

94.72 mins

BSTAR

0.00027955

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Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

IRIDE-MS2-HEO-3, 64568

LEMUR 2 HUBBLE-5, 64840

IRIDE-MS2-HEO-8, 64587

IRIDE-MS2-HEO-2, 64569

OBJECT E, 64532

UND ROADS 1, 64535

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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.

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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.
6 mins	2026-02-05 19:53:34.000Z	37.02° NE	2026-02-05 19:56:34.000Z	95.466° ESE	25.574°	2026-02-05 19:59:34.000Z	155.748° SSE
5 mins	2026-02-06 08:06:34.000Z	202.691° SW	2026-02-06 08:08:34.000Z	259.621° W	32.692°	2026-02-06 08:11:34.000Z	329.119° NNW

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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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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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out PULSAR-0, 64541 on other resources

View PULSAR-0, 64541 on NASA - NSSDCA Website

View PULSAR-0, 64541 on Heavens-Above

View PULSAR-0, 64541 on Keep Track

View PULSAR-0, 64541 on Celestrak

View PULSAR-0, 64541 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

PULSAR-0, 64541

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-05T05:05:56.976Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #135 in the year 2025 (2025-06-23 UTC)

PULSAR-0 Visibility forecast

Co-orbital & Co-planar RSOs

Check out PULSAR-0, 64541 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago