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KUIPER-00013, 63729

Orbit data source: Space-Track

KUIPER-00013, 63729 is a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Mon, 28 Apr 2025 UTC via an ATLAS V 551 launch vehicle from the Air Force Eastern Test Range (AFETR). 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/63729?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/63729?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63729, 2025-088F

Orbit

LEO

Last TLE update

14 hours ago

Origin

Amazon.com Inc (US)

Manufacturer

Kuiper Systems

Mission

Operational spacecraft

Bus & Motor

KUIPER, Unknown motor

Mass

~490 kg wet, ~490 kg dry

Launch date (UTC)

2025-04-28 (2 months ago)

Launch vehicle

ATLAS V 551

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history

TLE from 14 hours ago

0 KUIPER-00013
1 63729U 25088F   25174.76287229  .00008170  00000-0  24635-3 0  9991
2 63729  51.8595 189.0737 0009827 324.7735  35.2600 15.35154798  9007

Epoch: 2025-06-23T18:18Z

TLE epoch observation values (Epoch: 2025-06-23T18:18:32.165Z)

Latitude

-0.00005°

Longitude

2.27116°

Altitude

455.736 km

Speed

7.643 km/s

True Right ascension

12h 36m 17s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-49.75316°

Longitude

-67.78852°

Altitude

472.466 km

Speed

7.632 km/s

Apparent Right ascension

07h 33m 27s

Apparent Declination

-44° 57' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:13:01

Azimuth

215.129° SW

Elevation

-83.71°

Doppler factor

Orbital elements

Apogee altitude

467.65 km

Perigee altitude

454.209 km

Semi-major axis

6,839.066 km

Eccentricity

0.00098

Inclination

51.8595°

RAAN

189.0737°

Arg. of periapsis

324.7735°

True anomaly

Unknown

Mean anomaly

35.26°

Eccentric anomaly

Unknown

Mean motion

3.8375 °/min

Orbital period

93.81 mins

BSTAR

0.00024635

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Other satellites on launch #88 in the year 2025 (2025-04-28 UTC)

KUIPER-00013 Visibility forecast

Observer location: undefined°, undefined°

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	2025-06-24 08:48:33.873Z	341.435° N	2025-06-24 08:50:33.873Z	22.178° NNE	18.667°	2025-06-24 08:52:33.873Z	61.193° ENE
5 mins	2025-06-24 10:26:33.873Z	307.951° NW	2025-06-24 10:28:33.873Z	316.759° NNW	44.997°	2025-06-24 10:31:33.873Z	128.644° SE
6 mins	2025-06-25 03:17:33.873Z	216.523° SW	2025-06-25 03:20:33.873Z	135.664° SSE	40.575°	2025-06-25 03:23:33.873Z	60.493° ENE
4 mins	2025-06-25 04:56:33.873Z	293.306° NW	2025-06-25 04:58:33.873Z	339.288° N	22.017°	2025-06-25 05:00:33.873Z	22.33° NNE

Authenticating...

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Check out KUIPER-00013, 63729 on other resources

View KUIPER-00013, 63729 on NASA - NSSDCA Website

View KUIPER-00013, 63729 on Heavens-Above

View KUIPER-00013, 63729 on Keep Track

View KUIPER-00013, 63729 on Celestrak

View KUIPER-00013, 63729 on Gunter's Space Page

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