Key statistics
Satellite HTV-X1 at a glance.
Uptime
30
Days in orbit
Revolutions
≈ 15.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
51.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for HTV-X1.
Object identification
Identified? True
Debris? False
Object name: HTV-X1
International designator: 2025-241A
Object number (NORAD): 66174
Object ID (CCSDS): 66174
Country: JAPAN (JPN)
Current information (Y/N): Y
Orbital parameters
Period: 92.96 minutes
Inclination: 51.6314 deg
SMA: 6797.622 km
Apoapsis: 422.135 km
Periapsis: 416.838 km
RAAN: 230.9455 deg
Eccentricy: 0.00038955
Argument of periapsis: 164.8499 deg
Mean anomaly: 195.2607 deg
Mean motion: 15.4905662 rev/day
Mean motion (dot): 0.00014562 rev/day2
B* drag term: 0.00027142085 1/REarth
Two-line elements (TLE)
Creation date: Nov. 25, 2025, 3:42 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 24, 2025, 8:48 p.m. UTC
TLE line 0: 0 HTV-X1
TLE line 1: 1 66174U 25241A 25328.86728725 .00014562 00000-0 27142-3 0 9990
TLE line 2: 2 66174 51.6314 230.9455 0003896 164.8499 195.2607 15.49056620 1459
Live tracking on map
Real-time ground track for satellite HTV-X1.
In-orbit conjunctions
There are no conjunctions computed for HTV-X1, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
First flight of the upgraded Japanese HTV-X spacecraft designed to resupply the International Space Station.
HTV-X1 was lifted into orbit during the mission ‘H3-24 | HTV-X1’, on board a H3-24 space rocket.
The launch took place on Oct. 26, 2025, midnight from Yoshinobu Launch Complex LP-2.
For more information about the launch, click the button.
H3-24 | HTV-X1
Agency: Japan Aerospace Exploration Agency
Status: Launch Successful
Launch date: Oct. 26, 2025, midnight UTC
Rocket: H3-24
Launch pad: Yoshinobu Launch Complex LP-2
Location: Tanegashima Space Center, Japan
...
Latest news about this satellite
HTV-X Arrives at ISS For the First Time
After its launch from the Yoshinobu Launch Complex at the JAXA Tanegashima Space Center on October 26th at 9:00 AM JST, Japan’s HTV-X1 resupply mission arrived at the ISS, where it was berthed at roughly 1:00 AM JST on October 30th.
H3 launches first HTV-X cargo spacecraft
Japan launched the first of a new generation of cargo spacecraft to the International Space Station, with potential applications beyond low Earth orbit. The post H3 launches first HTV-X cargo spacecraft appeared first on SpaceNews.
JAXA’s HTV-X1 set to launch to ISS aboard H3 Rocket
The Japan Aerospace Exploration Agency (JAXA) is set to launch its advanced HTV-X1 cargo spacecraft… The post JAXA’s HTV-X1 set to launch to ISS aboard H3 Rocket appeared first on NASASpaceFlight.com.
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