DRUMS, 49401
Orbit data source: Space-Track
DRUMS, 49401 is a payload satellite owned by Kawasaki (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.
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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
Kawasaki
Mission
Operational Commercial Technology
Bus & Motor
DRUMS, Unknown motor
Mass
46 kg wet, 46 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.4 m
Radar Cross Section
0.690 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 DRUMS
1 49401U 21102G 26155.10921655 .00006073 00000-0 28153-3 0 9990
2 49401 97.3294 192.5626 0013394 278.9565 81.0155 15.20353576251596Epoch: 2026-06-04T02:37Z
TLE epoch observation values (Epoch: 2026-06-04T02:37:16.309Z)
Latitude
0.00002°
Longitude
-99.31356°
Altitude
506.438 km
Speed
7.612 km/s
True Right ascension
12h 50m 15s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:29:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
510.95 km
Perigee altitude
492.52 km
Semi-major axis
6,879.872 km
Eccentricity
0.00134
Inclination
97.3294°
RAAN
192.5626°
Arg. of periapsis
278.9565°
True anomaly
81.16714°
Mean anomaly
81.0155°
Eccentric anomaly
81.09132°
Mean motion
3.80341 °/min
Orbital period
94.65 mins
BSTAR
0.00028153
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Other satellites on launch #102 in the year 2021 (2021-11-09 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.DRUMS 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-07 03:24:40.696Z | 221.752° SW | 2026-06-07 03:26:40.696Z | 256.284° W | 17.957° | 2026-06-07 03:29:40.696Z | 311.464° NW |
| 5 mins | 2026-06-07 14:55:40.696Z | 46.851° ENE | 2026-06-07 14:57:40.696Z | 110.968° ESE | 30.814° | 2026-06-07 15:00:40.696Z | 166.352° S |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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