OBJECT J, 49403

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 J, 49403 is a satellite owned by Aoyama Gakuin (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). 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/49403?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/49403?theme=dark&initialShowStats=false

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Identifier

49403, 2021-102J

Orbit

SSO

Last TLE update

1 day ago

Origin

Aoyama Gakuin University (JP / JPN)

Manufacturer

Aoyama Gakuin

Mission

Non-operational Amateur Astronomy

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

2021-11-09 (3 years ago)

Launch vehicle

EPSILON

Launch site

Kagoshima Space Center University Of Tokyo (KSCUT)

Object type

Unknown

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.015 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 OBJECT J
1 49403U 21102J   25118.36139791  .00035972  00000-0  10585-2 0  9999
2 49403  97.3701 171.1929 0012388 193.3163 166.7756 15.34913661191342

Epoch: 2025-04-28T08:40Z

Definitive object data (Epoch: 2025-04-28T08:40:24.779Z)

Latitude

0.00006°

Longitude

-175.48688°

Altitude

472.539 km

Speed

7.625 km/s

True Right ascension

11h 24m 46s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at TLE epoch

Visualization TLE readout

Latitude

34.50245°

Longitude

-179.44534°

Altitude

473.291 km

Speed

7.628 km/s

Apparent Right ascension

09h 12m 20s

Apparent Declination

-1° 20' 24"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

18:55:33

Azimuth

312.38° NW

Elevation

-40.484°

Doppler factor

Orbital elements

Apogee altitude

466.59 km

Perigee altitude

449.653 km

Semi-major axis

6,836.258 km

Eccentricity

0.0012388

Inclination

97.3701°

RAAN

171.1929°

Arg. of periapsis

193.3163°

True anomaly

166.80803°

Mean anomaly

166.7756°

Eccentric anomaly

166.79182°

Mean motion

3.83986 °/min

BSTAR

0.0010585

Orbital period

93.75 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 J 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	2025-04-29 16:31:20.333Z	3.698° NNE	2025-04-29 16:34:20.333Z	269.491° W	41.398°	2025-04-29 16:37:20.333Z	203.573° SW
4 mins	2025-04-30 03:04:20.333Z	120.851° SE	2025-04-30 03:06:20.333Z	53.903° ENE	28.516°	2025-04-30 03:08:20.333Z	12.19° NNE

Authenticating...

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Check out OBJECT J, 49403 on other resources

View OBJECT J, 49403 on Heavens-Above

View OBJECT J, 49403 on Keep Track

View OBJECT J, 49403 on Celestrak

View OBJECT J, 49403 on Gunter's Space Page

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