Space Development Agency
US proliferated LEO defense architecture · Official site
Data current as of 2026-07-20.
Space Development Agency accounts for 69 cataloged objects, of which 69 are in orbit and 69 are active. The first launched in 2023, the most recent in 2025. The busiest year was 2025, with 42 added. The most common spacecraft bus is S-Class.
Catalog names covered: SDA
69
In orbit
69
Active
69
Total launched
0
Reentered
Space Development Agency satellites launched per year
Still in orbit Click a year to list its satellites.
Spacecraft buses
The platforms Space Development Agency satellites are built on.
| Bus | Satellites |
|---|---|
| S-Class | 30 |
| LM-T1TL | 21 |
| Mavericks | 10 |
| Starshield | 4 |
| TPL0-L3H | 4 |
Registered under
US 69
Space Development Agency satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Bus | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SDA_1684 | 65994 | 2025-230W | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1683 | 65993 | 2025-230V | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1682 | 65992 | 2025-230U | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1681 | 65991 | 2025-230T | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1680 | 65990 | 2025-230S | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1679 | 65989 | 2025-230R | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1678 | 65988 | 2025-230Q | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1677 | 65987 | 2025-230P | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1676 | 65986 | 2025-230N | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1675 | 65985 | 2025-230M | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1674 | 65984 | 2025-230L | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1673 | 65983 | 2025-230K | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1672 | 65982 | 2025-230J | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1671 | 65981 | 2025-230H | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1670 | 65980 | 2025-230G | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1669 | 65979 | 2025-230F | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1668 | 65978 | 2025-230E | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1667 | 65977 | 2025-230D | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1666 | 65976 | 2025-230C | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1665 | 65975 | 2025-230B | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| SDA_1664 | 65974 | 2025-230A | LM-T1TL | Oct 15, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_601 | 65585 | 2025-203X | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_621 | 65584 | 2025-203V | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_620 | 65583 | 2025-203U | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_619 | 65582 | 2025-203T | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_618 | 65581 | 2025-203S | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_617 | 65580 | 2025-203R | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_616 | 65579 | 2025-203Q | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_615 | 65578 | 2025-203P | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_614 | 65577 | 2025-203N | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_613 | 65576 | 2025-203M | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_612 | 65575 | 2025-203L | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_611 | 65574 | 2025-203K | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_610 | 65573 | 2025-203J | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_609 | 65572 | 2025-203H | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_608 | 65571 | 2025-203G | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_607 | 65570 | 2025-203F | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_606 | 65569 | 2025-203E | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_605 | 65568 | 2025-203D | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_604 | 65567 | 2025-203C | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_603 | 65566 | 2025-203B | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| PRAETORIAN SDA_602 | 65565 | 2025-203A | S-Class | Sep 10, 2025 | 104 min, 81.3° | Active | ◉ |
| RAPTOR2 RAPTOR 2 | 58959 | 2024-028E | TPL0-L3H | Feb 14, 2024 | 105 min, 40.0° | Active | ◉ |
| RAPTOR3 RAPTOR 3 | 58958 | 2024-028D | TPL0-L3H | Feb 14, 2024 | 105 min, 40.0° | Active | ◉ |
| RAPTOR1 RAPTOR 1 | 58957 | 2024-028C | TPL0-L3H | Feb 14, 2024 | 105 min, 40.0° | Active | ◉ |
| RAPTOR4 RAPTOR 4 | 58956 | 2024-028B | TPL0-L3H | Feb 14, 2024 | 105 min, 40.0° | Active | ◉ |
| WILDFIRE 5 Wildfire 5 | 57769 | 2023-133N | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 8 Wildfire 8 | 57768 | 2023-133M | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 2 Wildfire 2 | 57767 | 2023-133L | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 10 Wildfire 10 | 57766 | 2023-133K | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 9 Wildfire 9 | 57765 | 2023-133J | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 1 Wildfire 1 | 57764 | 2023-133H | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 6 Wildfire 6 | 57763 | 2023-133G | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 10 Checkmate 10 | 57762 | 2023-133F | S-Class | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| WILDFIRE 7 Wildfire 7 | 57761 | 2023-133E | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| BB3 BB 3 | 57760 | 2023-133D | Starshield | Sep 2, 2023 | 98 min, 81.0° | Active | ◉ |
| WILDFIRE 3 Wildfire 3 | 57758 | 2023-133C | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| BB4 BB 4 | 57757 | 2023-133B | Starshield | Sep 2, 2023 | 99 min, 81.0° | Active | ◉ |
| WILDFIRE 4 Wildfire 4 | 57756 | 2023-133A | Mavericks | Sep 2, 2023 | 104 min, 81.0° | Active | ◉ |
| BB 1 BB 1 | 56171 | 2023-050K | Starshield | Apr 2, 2023 | 103 min, 81.0° | Active | ◉ |
| BB 2 BB 2 | 56170 | 2023-050J | Starshield | Apr 2, 2023 | 101 min, 81.0° | Active | ◉ |
| CHECKMATE 3 Checkmate 3 | 56169 | 2023-050H | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 1 Checkmate 1 | 56168 | 2023-050G | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 2 Checkmate 2 | 56167 | 2023-050F | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 7 Checkmate 7 | 56166 | 2023-050E | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 6 Checkmate 6 | 56165 | 2023-050D | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 4 Checkmate 4 | 56164 | 2023-050C | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 5 Checkmate 5 | 56163 | 2023-050B | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
| CHECKMATE 8 Checkmate 8 | 56162 | 2023-050A | S-Class | Apr 2, 2023 | 104 min, 81.0° | Active | ◉ |
Frequently asked questions
How many satellites does Space Development Agency operate?
Space Development Agency accounts for 69 cataloged objects, of which 69 are currently in orbit. 0 have reentered.
How many Space Development Agency satellites are active?
69 Space Development Agency satellites carry an active status in the catalog.
When did Space Development Agency's first satellite launch?
The first cataloged Space Development Agency object launched in 2023, and the most recent in 2025.
What satellite buses does Space Development Agency use?
The most common spacecraft bus among cataloged Space Development Agency objects is S-Class.