Showing default

KOSEN-1, 49402

Orbit data source: Space-Track

KOSEN-1, 49402 is a payload satellite owned by Kochi College (JP) in SSO that was launched on Tue, 09 Nov 2021 UTC via an EPSILON launch vehicle from the Kagoshima Space Center University Of Tokyo (KSCUT). 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/49402?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/49402?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

49402, 2021-102H

Orbit

SSO

Last TLE update

7 hours ago

Origin

Kochi University of Technology (JP / JPN)

Manufacturer

Kochi College

Mission

Operational Amateur Astronomy

Bus & Motor

CUBESAT 2U, Unknown motor

Mass

3 kg wet, 3 kg dry

Launch date (UTC)

2021-11-09 (4 years ago)

Launch vehicle

EPSILON

Launch site

Kagoshima Space Center University Of Tokyo (KSCUT)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.025 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 KOSEN-1
1 49402U 21102H   25202.39360408  .00005142  00000-0  23620-3 0  9997
2 49402  97.3686 246.4035 0013992 294.8348  65.1432 15.20736085203649

Epoch: 2025-07-21T09:26Z

TLE epoch observation values (Epoch: 2025-07-21T09:26:47.392Z)

Latitude

-0.00004°

Longitude

165.30339°

Altitude

502.674 km

Speed

7.615 km/s

True Right ascension

16h 25m 36s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-55.69212°

Longitude

-25.26102°

Altitude

520.086 km

Speed

7.605 km/s

Apparent Right ascension

21h 14m 47s

Apparent Declination

-75° 28' 50"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

05:46:20

Azimuth

197.087° SSW

Elevation

-47.668°

Doppler factor

Orbital elements

Apogee altitude

510.207 km

Perigee altitude

490.958 km

Semi-major axis

6,878.719 km

Eccentricity

0.0014

Inclination

97.3686°

RAAN

246.4035°

Arg. of periapsis

294.8348°

True anomaly

65.28879°

Mean anomaly

65.1432°

Eccentric anomaly

65.21598°

Mean motion

3.80436 °/min

Orbital period

94.63 mins

BSTAR

0.0002362

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #102 in the year 2021 (2021-11-09 UTC)

ASTERISC, 49395 (Decayed)

TEIKYOSAT-4 (OORURI), 49396

EPSILON R/B, 49405 (Decayed)

DRUMS TARGET-1, 55685 (Decayed)

DRUMS TARGET-2, 58954 (Decayed)

KOSEN-1 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.
6 mins	2025-07-22 02:56:59.560Z	162.37° S	2025-07-22 02:59:59.560Z	18.863° NNE	43.438°	2025-07-22 03:02:59.560Z	350.839° N
5 mins	2025-07-22 16:01:59.560Z	357.325° N	2025-07-22 16:03:59.560Z	257.39° W	41.506°	2025-07-22 16:06:59.560Z	203.484° SW

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out KOSEN-1, 49402 on other resources

View KOSEN-1, 49402 on NASA - NSSDCA Website

View KOSEN-1, 49402 on Heavens-Above

View KOSEN-1, 49402 on Keep Track

View KOSEN-1, 49402 on Celestrak

View KOSEN-1, 49402 on Gunter's Space Page

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