DECAYED

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KEPLER-4 (ANTILLES), 46499 (Decayed)

Orbit data source: Space-Track

KEPLER-4 (ANTILLES), 46499 was a payload satellite owned by Kepler Comms (CA) in SSO that was launched on Mon, 28 Sep 2020 UTC via a SOYUZ-2-1B launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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https://www.satcat.com/sats-embedded/46499?theme=dark&initialShowStats=false

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Identifier

46499, 2020-068P

Orbit

Decayed

Country

Related business

Kepler Communications Inc. (CA)

Manufacturer

KEPLER/UTIAS

Mission

Decayed Commercial Communications

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

15 kg wet, 15 kg dry

Launch date (UTC)

2020-09-28 (6 years ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 1.0 m

Radar Cross Section

0.109 m², Medium (>0.1 m² and < 1m²)

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

TLE from 1 year ago

0 KEPLER-4 (ANTILLES)
1 46499U 20068P   25162.88496032  .00854553  38780-3  11603-2 0  9996
2 46499  97.7601 165.5028 0009242 149.7305 210.4511 16.06347646260529

Epoch: 2025-06-11T21:14Z

TLE epoch observation values (Epoch: 2025-06-11T21:14:20.571Z)

Latitude

-0.00004°

Longitude

-53.54396°

Altitude

265.366 km

Speed

7.745 km/s

True Right ascension

11h 02m 00s

True Declination

0° 00' 00"

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

21:45:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

259.879 km

Perigee altitude

247.62 km

Semi-major axis

6,631.886 km

Eccentricity

0.00092

Inclination

97.7601°

RAAN

165.5028°

Arg. of periapsis

149.7305°

True anomaly

210.39748°

Mean anomaly

210.4511°

Eccentric anomaly

210.42428°

Mean motion

4.01872 °/min

Orbital period

89.58 mins

BSTAR

0.0011603

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Other satellites on launch #68 in the year 2020 (2020-09-28 UTC)

LEMUR-2-NICHOL, 46503 (Decayed)

YARILO-1, 46490 (Decayed)

YARILO-2, 46491 (Decayed)

ICEYE-X6, 46497

SALSAT, 46495

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KEPLER-4 (ANTILLES) 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	2026-06-20 10:54:00.167Z	40.297° NE	2026-06-20 10:58:00.167Z	308.96° NW	38.884°	2026-06-20 11:01:00.167Z	247.357° WSW
4 mins	2026-06-20 11:12:00.167Z	24.654° NE	2026-06-20 11:14:00.167Z	320.07° NNW	38.5°	2026-06-20 11:16:00.167Z	263.268° W
4 mins	2026-06-20 11:26:00.167Z	27.765° NE	2026-06-20 11:28:00.167Z	312.762° NW	37.447°	2026-06-20 11:30:00.167Z	257.12° W
4 mins	2026-06-21 06:17:00.167Z	167.236° S	2026-06-21 06:19:00.167Z	40.152° NE	43.426°	2026-06-21 06:21:00.167Z	3.559° NNE
5 mins	2026-06-21 06:43:00.167Z	177.154° S	2026-06-21 06:45:00.167Z	123.531° SE	44.675°	2026-06-21 06:48:00.167Z	7.746° NNE
6 mins	2026-06-21 07:00:00.167Z	180.983° SSW	2026-06-21 07:02:00.167Z	138.62° SSE	44.856°	2026-06-21 07:06:00.167Z	8.572° NNE
11 mins	2026-06-21 07:20:00.167Z	189.019° SSW	2026-06-21 07:25:00.167Z	356.838° N	44.999°	2026-06-21 07:31:00.167Z	10.752° NNE
26 mins	2026-06-21 08:00:00.167Z	197.54° SSW	2026-06-21 08:12:00.167Z	203.969° SW	29.426°	2026-06-21 08:26:00.167Z	202.465° SSW
11 mins	2026-06-21 08:55:00.167Z	16.513° NNE	2026-06-21 09:00:00.167Z	301.438° NW	43.668°	2026-06-21 09:06:00.167Z	211.31° SW
7 mins	2026-06-21 09:20:00.167Z	14.949° NNE	2026-06-21 09:23:00.167Z	294.472° NW	42.983°	2026-06-21 09:27:00.167Z	215.918° SW
5 mins	2026-06-21 09:38:00.167Z	10.64° NNE	2026-06-21 09:40:00.167Z	297.967° NW	42.412°	2026-06-21 09:43:00.167Z	222.191° SW
4 mins	2026-06-21 10:05:00.167Z	15.268° NNE	2026-06-21 10:07:00.167Z	281.96° WNW	40.581°	2026-06-21 10:09:00.167Z	227.883° WSW

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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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Check out KEPLER-4 (ANTILLES), 46499 (Decayed) on other resources

View KEPLER-4 (ANTILLES), 46499 (Decayed) on Celestrak

View KEPLER-4 (ANTILLES), 46499 (Decayed) on Gunter's Space Page

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

KEPLER-4 (ANTILLES), 46499 (Decayed)

Orbit data source: Space-Track

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

TLE from 1 year ago

TLE epoch observation values (Epoch: 2025-06-11T21:14:20.571Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #68 in the year 2020 (2020-09-28 UTC)

KEPLER-4 (ANTILLES) Visibility forecast

Co-orbital & Co-planar RSOs

Check out KEPLER-4 (ANTILLES), 46499 (Decayed) on other resources

Documentation

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