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PADRE, 64559

Orbit data source: Space-Track

PADRE, 64559 is a Bulgarian 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/64559?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64559, 2025-135AH

Orbit

SSO

Country

BG / BGR

Related business

University of California Berkeley (US)

Manufacturer

Endurosat

Mission

Operational Amateur Astronomy

Bus & Motor

CUBESAT 12U, Unknown motor

Mass

~20 kg wet, ~20 kg dry

Launch date (UTC)

2025-06-23 (9 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 4 Pan, 0.3 m

Radar Cross Section

0.127 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 PADRE
1 64559U 25135AH  26067.90350348  .00002836  00000-0  28453-3 0  9992
2 64559  97.7591 182.9705 0001287 191.9538 168.1651 14.92109137 38898

Epoch: 2026-03-08T21:41Z

TLE epoch observation values (Epoch: 2026-03-08T21:41:02.700Z)

Latitude

0°

Longitude

51.10513°

Altitude

595.28 km

Speed

7.562 km/s

True Right ascension

12h 11m 52s

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

16:35:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

589.275 km

Perigee altitude

587.482 km

Semi-major axis

6,966.516 km

Eccentricity

0.00013

Inclination

97.7591°

RAAN

182.9705°

Arg. of periapsis

191.9538°

True anomaly

168.16812°

Mean anomaly

168.1651°

Eccentric anomaly

168.16661°

Mean motion

3.73267 °/min

Orbital period

96.45 mins

BSTAR

0.00028453

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

IRIDE-MS2-HEO-6, 64576

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PADRE 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	2026-03-09 20:47:35.218Z	356.453° N	2026-03-09 20:50:35.218Z	261.742° W	38.154°	2026-03-09 20:53:35.218Z	211.002° SW
6 mins	2026-03-10 07:37:35.218Z	166.576° S	2026-03-10 07:39:35.218Z	165.864° S	44.771°	2026-03-10 07:43:35.218Z	347.705° N

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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 PADRE, 64559 on other resources

View PADRE, 64559 on NASA - NSSDCA Website

View PADRE, 64559 on Heavens-Above

View PADRE, 64559 on Keep Track

View PADRE, 64559 on Celestrak

View PADRE, 64559 on Gunter's Space Page

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

PADRE, 64559

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-03-08T21:41:02.700Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

PADRE Visibility forecast

Co-orbital & Co-planar RSOs

Check out PADRE, 64559 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago