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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49401 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
20 hours ago
Origin
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 & history
TLE from 20 hours ago
0 DRUMS
1 49401U 21102G 25201.86180609 .00003930 00000-0 20651-3 0 9994
2 49401 97.3763 243.1182 0015237 313.4408 46.5557 15.16171082203309Epoch: 2025-07-20T20:41Z
TLE epoch observation values (Epoch: 2025-07-20T20:41:00.046Z)
Latitude
0.00004°
Longitude
-6.01048°
Altitude
513.293 km
Speed
7.611 km/s
True Right ascension
16h 12m 28s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
8.46693°
Longitude
175.88802°
Altitude
527.735 km
Speed
7.595 km/s
Apparent Right ascension
02h 08m 59s
Apparent Declination
-50° 24' 53"
Sunlit
Visualization observer readout
Local Sidereal Time
05:25:00
Azimuth
209.234° SW
Elevation
-10.014°
Doppler factor
1
Orbital elements
Apogee altitude
524.897 km
Perigee altitude
503.893 km
Semi-major axis
6,892.532 km
Eccentricity
0.00152
Inclination
97.3763°
RAAN
243.1182°
Arg. of periapsis
313.4408°
True anomaly
46.68264°
Mean anomaly
46.5557°
Eccentric anomaly
46.61915°
Mean motion
3.79293 °/min
Orbital period
94.91 mins
BSTAR
0.00020651
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Other satellites on launch #102 in the year 2021 (2021-11-09 UTC)
DRUMS 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-07-22 02:53:42.927Z | 171.47° S | 2025-07-22 02:57:42.927Z | 322.351° NNW | 42.107° | 2025-07-22 03:00:42.927Z | 345.125° N |
| 5 mins | 2025-07-22 16:01:42.927Z | 346.444° N | 2025-07-22 16:03:42.927Z | 279.515° WNW | 35.848° | 2025-07-22 16:06:42.927Z | 214.806° SW |
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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