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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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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: 8 hours ago

TLE from 8 hours ago

0 PULSAR-0
1 64541U 25135P   26260.28806756  .00002480  00000-0  11595-3 0  9992
2 64541  97.4773  14.1325 0002284 192.6875 167.4303 15.20715542 68829

Epoch: 2026-09-17T06:54Z

TLE epoch observation values (Epoch: 2026-09-17T06:54:49.037Z)

Latitude

-0.00003°

Longitude

-85.79928°

Altitude

508.305 km

Speed

7.609 km/s

True Right ascension

00h 56m 31s

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

07:18:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

502.22 km

Perigee altitude

499.078 km

Semi-major axis

6,878.786 km

Eccentricity

0.00023

Inclination

97.4773°

RAAN

14.1325°

Arg. of periapsis

192.6875°

True anomaly

167.43599°

Mean anomaly

167.4303°

Eccentric anomaly

167.43315°

Mean motion

3.80431 °/min

Orbital period

94.63 mins

BSTAR

0.00011595

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

W-SERIES 4 DEB, 69094 (Decayed)

LEMUR 2 HUBBLE-4, 64565

GOOD ANCESTOR KILAKILA, 64528

LEMUR-2-LUCILLE-ROSE, 65403

IRIDE-MS2-HEO-2, 64569

W-SERIES 4, 64543 (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.
6 mins	2026-09-17 20:07:14.950Z	35.224° NE	2026-09-17 20:10:14.950Z	114.742° SE	36.22°	2026-09-17 20:13:14.950Z	167.318° S
5 mins	2026-09-18 08:19:14.950Z	214.511° SW	2026-09-18 08:21:14.950Z	266.998° W	30.805°	2026-09-18 08:24:14.950Z	325.117° 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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-09-17T06:54:49.037Z)

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: 8 hours ago