Key statistics
Satellite DFH-1 at a glance.
Uptime
20052
Days in orbit
Revolutions
≈ 13.1
Per day
Orbit
LEO
Low Earth Orbit
Inclination
68.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for DFH-1.
Object identification
Identified? True
Debris? False
Object name: DFH-1
International designator: 1970-034A
Object number (NORAD): 4382
Object ID (CCSDS): 4382
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 109.683 minutes
Inclination: 68.4244 deg
SMA: 7590.212 km
Apoapsis: 1998.282 km
Periapsis: 425.872 km
RAAN: 273.9228 deg
Eccentricy: 0.1035814
Argument of periapsis: 32.3046 deg
Mean anomaly: 333.733 deg
Mean motion: 13.12870461 rev/day
Mean motion (dot): 0.00003217 rev/day2
B* drag term: 0.00045295 1/REarth
Two-line elements (TLE)
Creation date: March 16, 2025, 11:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: March 16, 2025, 8:32 p.m. UTC
TLE line 0: 0 DFH-1
TLE line 1: 1 4382U 70034A 25075.85605549 .00003217 00000-0 45295-3 0 9993
TLE line 2: 2 4382 68.4244 273.9228 1035814 32.3046 333.7330 13.12870461585610
Live tracking on map
Real-time ground track for satellite DFH-1.
Associated space launch
Dong Fang Hong 1 (DFH-1) was the first Chinese satellite. This was the first satellite launched by China on its own booster, making China the fifth nation to put a spacecraft into orbit using its own rocket. The satellite was developed under the direction of Tsien Hsue-Shen, dean of the Chinese Academy of Space Technology (CAST). The experimental satellite was a nearly spherically shaped symmetrical 72-faced polyhedron with a 1-meter diameter. It was battery-powered and carried a radio transmitter. The primary mission was to broadcast the song "Dong Fang Hong", paying tribute to Chairman Mao, and to announce the time. A total of five identical satellites were built to have backups in case of launch failures. The first satellite launched successfully.
DFH-1 was lifted into orbit during the mission ‘Long March 1 | Dong Fang Hong 1’, on board a Long March 1 space rocket.
The launch took place on April 24, 1970, 1:35 p.m. from Launch Area 2A.
For more information about the launch, click the button.
Long March 1 | Dong Fang Hong 1
Agency: N/A
Status: Launch Successful
Launch date: April 24, 1970, 1:35 p.m. UTC
Rocket: Long March 1
Launch pad: Launch Area 2A
Location: Jiuquan Satellite Launch Center, People's Republic of China
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