YY-1 Satellite Bus
Data current as of 2026-07-20.
The YY-1 bus accounts for 33 cataloged objects, of which 33 are in orbit and 33 are active. Most are built by CGSTL. The largest operator on this bus is YYAO. The first launched in 2024, the most recent in 2025.
33
In orbit
33
Active
33
Total launched
0
Reentered
YY-1 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged YY-1 satellites.
| Manufacturer | CGSTL |
|---|---|
| Purpose | Earth observation |
| Launch mass | 50 kg |
| Dry mass | 50 kg |
| Length | 2.0 m |
| Diameter | 1.5 m |
| Span | 5.0 m |
| Shape | Box + pan |
| Power | Solar array, batteries |
| Typical orbit | 95 min period, 98° inclination |
Top operators
YYAO 9
Top countries
CN 21 PRC 12
YY-1 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| YUNYAO-1 48 | 63349 | 2025-059F | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 47 | 63348 | 2025-059E | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 46 | 63347 | 2025-059D | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 45 | 63346 | 2025-059C | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 44 | 63345 | 2025-059B | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 43 | 63344 | 2025-059A | YYAO | Mar 21, 2025 | 95 min, 97.6° | Active | ◉ |
| OBJECT F Yunyao-1 60 | 63296 | 2025-055F | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT E Yunyao-1 59 | 63295 | 2025-055E | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT D Yunyao-1 58 | 63294 | 2025-055D | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT C Yunyao-1 57 | 63293 | 2025-055C | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT B Yunyao-1 56 | 63292 | 2025-055B | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT A Yunyao-1 55 | 63291 | 2025-055A | YYAO | Mar 17, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT D Yunyao-1 40 | 62732 | 2025-013D | YYAO | Jan 20, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT C Yunyao-1 39 | 62731 | 2025-013C | YYAO | Jan 20, 2025 | 95 min, 97.7° | Active | ◉ |
| OBJECT B Yunyao-1 38 | 62730 | 2025-013B | YYAO | Jan 20, 2025 | 95 min, 97.7° | Active | ◉ |
| Yunyao-1 37 OBJECT A | 62729 | 2025-013A | Yunyao Aerospace | Jan 20, 2025 | 94 min, 97.6° | Active | ◉ |
| OBJECT L Yunyao-1 36 | 61904 | 2024-205L | YYAO | Nov 11, 2024 | 95 min, 97.4° | Active | ◉ |
| OBJECT K Yunyao-1 35 | 61903 | 2024-205K | YYAO | Nov 11, 2024 | 94 min, 97.4° | Active | ◉ |
| OBJECT J Yunyao-1 34 | 61902 | 2024-205J | YYAO | Nov 11, 2024 | 95 min, 97.4° | Active | ◉ |
| OBJECT H Yunyao-1 33 | 61901 | 2024-205H | YYAO | Nov 11, 2024 | 94 min, 97.4° | Active | ◉ |
| OBJECT G Yunyao-1 32 | 61900 | 2024-205G | YYAO | Nov 11, 2024 | 95 min, 97.4° | Active | ◉ |
| OBJECT F Yunyao-1 31 | 61899 | 2024-205F | YYAO | Nov 11, 2024 | 95 min, 97.4° | Active | ◉ |
| OBJECT E Yunyao-1 22 | 61242 | 2024-174E | YYAO | Sep 24, 2024 | 94 min, 97.4° | Active | ◉ |
| OBJECT D Yunyao-1 21 | 61241 | 2024-174D | YYAO | Sep 24, 2024 | 94 min, 97.4° | Active | ◉ |
| OBJECT C Yunyao-1 17 | 60747 | 2024-153C | YYAO | Aug 29, 2024 | 93 min, 97.7° | Active | ◉ |
| OBJECT B Yunyao-1 16 | 60746 | 2024-153B | YYAO | Aug 29, 2024 | 94 min, 97.7° | Active | ◉ |
| OBJECT A Yunyao-1 15 | 60745 | 2024-153A | YYAO | Aug 29, 2024 | 93 min, 97.7° | Active | ◉ |
| OBJECT E Yunyao-1 26 | 59921 | 2024-105E | YYAO | May 30, 2024 | 95 min, 97.6° | Active | ◉ |
| OBJECT D Zhangjiang Gaoke | 59920 | 2024-105D | YYAO | May 30, 2024 | 95 min, 97.6° | Active | ◉ |
| OBJECT C Hebei Linxi 1 | 59919 | 2024-105C | YYAO | May 30, 2024 | 95 min, 97.6° | Active | ◉ |
| YUNYAO-1 20 Yunyao-1 20 | 58760 | 2024-009C | YYAO | Jan 11, 2024 | 95 min, 50.0° | Active | ◉ |
| YUNYAO-1 19 Yunyao-1 19 | 58759 | 2024-009B | YYAO | Jan 11, 2024 | 95 min, 50.0° | Active | ◉ |
| YUNYAO-1 18 Yunyao-1 18 | 58758 | 2024-009A | YYAO | Jan 11, 2024 | 94 min, 50.0° | Active | ◉ |
Frequently asked questions
How many YY-1 satellites are there?
The catalog lists 33 objects built on the YY-1 bus. 33 are in orbit and 0 have reentered.
How many YY-1 satellites are in orbit?
33 YY-1 objects are currently in orbit, of which 33 carry an active status.
Who builds the YY-1 bus?
The YY-1 bus is most commonly built by CGSTL.
When did the first YY-1 satellite launch?
The first cataloged YY-1 satellite launched in 2024, and the most recent in 2025.