OBJECT K, 49404

Orbit data source: Space-Track

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Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.

OBJECT K, 49404 is a satellite owned by ISAS/JAXA (JP) in SSO that was launched on Tue, 09 Nov 2021 UTC launched from the Kagoshima Space Center University Of Tokyo (KSCUT). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.

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<iframe src="https://www.satcat.com/sats-embedded/49404?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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https://www.satcat.com/sats-embedded/49404?theme=dark&initialShowStats=false

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Identifier

49404, 2021-102K

Orbit

SSO

Last TLE update

21 hours ago

Origin

JAXA (Japan Aerospace Exploration Agency) (JP / JPN)

Manufacturer

JAXA

Mission

Spacecraft

Bus & Motor

EPBS, Unknown motor

Mass

~185 kg wet, ~185 kg dry

Launch date (UTC)

2021-11-09 (4 years ago)

Launch vehicle

Unknown

Launch site

Kagoshima Space Center University Of Tokyo (KSCUT)

Object type

Unknown

Shape & HBR

Cyl, 1.5 m

Radar Cross Section

2.297 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 21 hours ago

0 OBJECT K
1 49404U 21102K   25132.88512915  .00005416  00000-0  27257-3 0  9991
2 49404  97.3778 179.2924 0020995 172.8992 187.2543 15.17432092193086

Epoch: 2025-05-12T21:14Z

Definitive object data (Epoch: 2025-05-12T21:14:35.158Z)

Latitude

-0.00006°

Longitude

-10.24588°

Altitude

531.05 km

Speed

7.589 km/s

True Right ascension

11h 57m 10s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

6.96946°

Longitude

171.52189°

Altitude

501.576 km

Speed

7.622 km/s

Apparent Right ascension

21h 00m 54s

Apparent Declination

-34° 13' 40"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

03:01:11

Azimuth

242.481° WSW

Elevation

-21.206°

Doppler factor

Orbital elements

Apogee altitude

525.036 km

Perigee altitude

496.11 km

Semi-major axis

6,888.71 km

Eccentricity

0.0020995

Inclination

97.3778°

RAAN

179.2924°

Arg. of periapsis

172.8992°

True anomaly

187.224°

Mean anomaly

187.2543°

Eccentric anomaly

187.23914°

Mean motion

3.79609 °/min

BSTAR

0.00027257

Orbital period

94.83 mins

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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)

OBJECT K 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	2025-05-14 03:26:35.586Z	190.877° SSW	2025-05-14 03:29:35.586Z	280.921° WNW	35.751°	2025-05-14 03:32:35.586Z	335.007° NNW
5 mins	2025-05-14 16:32:35.586Z	339.568° N	2025-05-14 16:34:35.586Z	294.386° NW	26.015°	2025-05-14 16:37:35.586Z	230.144° WSW

Authenticating...

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Check out OBJECT K, 49404 on other resources

View OBJECT K, 49404 on Heavens-Above

View OBJECT K, 49404 on Keep Track

View OBJECT K, 49404 on Celestrak

View OBJECT K, 49404 on Gunter's Space Page

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