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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 URL

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

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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 (8 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   26046.28908334  .00004531  00000-0  21739-3 0  9999
2 64541  97.4564 162.2807 0001892 232.5271 127.5792 15.19379707 36310

Epoch: 2026-02-15T06:56Z

TLE epoch observation values (Epoch: 2026-02-15T06:56:16.800Z)

Latitude

-0.00001°

Longitude

-87.08922°

Altitude

511.597 km

Speed

7.608 km/s

True Right ascension

10h 49m 07s

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

16:26:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

505.985 km

Perigee altitude

503.381 km

Semi-major axis

6,882.82 km

Eccentricity

0.00019

Inclination

97.4564°

RAAN

162.2807°

Arg. of periapsis

232.5271°

True anomaly

127.59638°

Mean anomaly

127.5792°

Eccentric anomaly

127.58779°

Mean motion

3.80096 °/min

Orbital period

94.71 mins

BSTAR

0.00021739

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

LEMUR 2 HUBBLE-5, 64840

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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	2026-02-15 20:08:32.563Z	25.765° NE	2026-02-15 20:11:32.563Z	78.497° E	34.267°	2026-02-15 20:14:32.563Z	167.37° S
4 mins	2026-02-16 08:22:32.563Z	229.5° WSW	2026-02-16 08:23:32.563Z	253.483° W	23.128°	2026-02-16 08:26:32.563Z	316.978° 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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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: 2026-02-15T06:56:16.800Z)

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