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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 (1 year 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: 14 hours ago

TLE from 14 hours ago

0 PULSAR-0
1 64541U 25135P   26178.29021829  .00003249  00000-0  15262-3 0  9990
2 64541  97.4710 292.8447 0004163 131.6321 228.5271 15.20317021 56366

Epoch: 2026-06-27T06:57Z

TLE epoch observation values (Epoch: 2026-06-27T06:57:54.860Z)

Latitude

-0.00003°

Longitude

-87.04038°

Altitude

509.871 km

Speed

7.608 km/s

True Right ascension

19h 31m 22s

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

08:02:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

504.716 km

Perigee altitude

498.988 km

Semi-major axis

6,879.989 km

Eccentricity

0.00042

Inclination

97.471°

RAAN

292.8447°

Arg. of periapsis

131.6321°

True anomaly

228.49137°

Mean anomaly

228.5271°

Eccentric anomaly

228.50923°

Mean motion

3.80331 °/min

Orbital period

94.65 mins

BSTAR

0.00015262

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

TPA-1, 64533

CAPELLA-17 (ACADIA), 64583

CONNECTA IOT-10, 64555

OBJECT BQ, 64590

BRO-18, 64550

USPWSA-DRAGOON, 64542

LEMUR 2 HUBBLE-4, 64565

W-SERIES 4 DEB, 69093 (Decayed)

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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.
4 mins	2026-06-28 08:23:21.992Z	231.09° WSW	2026-06-28 08:24:21.992Z	256.548° W	23.762°	2026-06-28 08:27:21.992Z	318.877° NNW
4 mins	2026-06-28 19:53:21.992Z	59.501° ENE	2026-06-28 19:54:21.992Z	82.567° E	22.657°	2026-06-28 19:57:21.992Z	148.091° SSE

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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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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-06-27T06:57:54.860Z)

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: 14 hours ago