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KUIPER-00289, 68591

Orbit data source: Space-Track

KUIPER-00289, 68591 is a payload satellite owned by Kuiper Systems (US) in LEO that was launched on Sat, 04 Apr 2026 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 URL

https://www.satcat.com/sats-embedded/68591?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

68591, 2026-072U

Orbit

LEO

Country

Related business

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)

2026-04-04 (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 shape, 3.4 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 week ago

TLE from 1 week ago

0 KUIPER-00289
1 68591U 26072U   26155.25004630 -.00945347  00000-0 -36755-1 0  9996
2 68591  51.8702 240.0880 0011580 351.9830 268.7785 15.27971993  5573

Epoch: 2026-06-04T06:00Z

TLE epoch observation values (Epoch: 2026-06-04T06:00:04.000Z)

Latitude

-51.06553°

Longitude

152.44309°

Altitude

499.588 km

Speed

7.614 km/s

True Right ascension

09h 00m 37s

True Declination

-50° 53' 27"

Sunlit

Object was in daylight 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

03:33:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

490.286 km

Perigee altitude

474.397 km

Semi-major axis

6,860.478 km

Eccentricity

0.00116

Inclination

51.8702°

RAAN

240.088°

Arg. of periapsis

351.983°

True anomaly

268.64584°

Mean anomaly

268.7785°

Eccentric anomaly

268.71217°

Mean motion

3.81954 °/min

Orbital period

94.25 mins

BSTAR

-0.036755

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Other satellites on launch #72 in the year 2026 (2026-04-04 UTC)

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KUIPER-00289 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.
7 mins	2026-06-12 05:24:58.644Z	215.073° SW	2026-06-12 05:27:58.644Z	168.615° S	38.188°	2026-06-12 05:31:58.644Z	60.483° ENE
5 mins	2026-06-12 07:05:58.644Z	295.238° NW	2026-06-12 07:07:58.644Z	343.968° N	24.358°	2026-06-12 07:10:58.644Z	34.921° NE
6 mins	2026-06-12 12:04:58.644Z	313.09° NW	2026-06-12 12:07:58.644Z	84.836° E	42.699°	2026-06-12 12:10:58.644Z	121.501° SE

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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 KUIPER-00289, 68591 on other resources

View KUIPER-00289, 68591 on NASA - NSSDCA Website

View KUIPER-00289, 68591 on Heavens-Above

View KUIPER-00289, 68591 on Keep Track

View KUIPER-00289, 68591 on Celestrak

View KUIPER-00289, 68591 on Gunter's Space Page

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

KUIPER-00289, 68591

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-04T06:00:04.000Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #72 in the year 2026 (2026-04-04 UTC)

KUIPER-00289 Visibility forecast

Co-orbital & Co-planar RSOs

Check out KUIPER-00289, 68591 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago