ESPAStar Satellite Bus
Data current as of 2026-07-20.
The ESPAStar bus accounts for 6 cataloged objects, of which 6 are in orbit and 6 are active. Most are built by NGIS. The largest operator on this bus is AFRL. The first launched in 2018, the most recent in 2025.
6
In orbit
6
Active
6
Total launched
0
Reentered
ESPAStar launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged ESPAStar satellites.
| Manufacturer | NGIS |
|---|---|
| Purpose | Technology |
| Launch mass | 500 kg |
| Dry mass | 500 kg |
| Length | 0.6 m |
| Diameter | 1.6 m |
| Span | 3.6 m |
| Shape | Cyl+panel |
| Power | Deployable solar array, batteries |
| Propulsion | ? |
| Design life | 1 year |
| Equipment | HTI-SpX, Mycroft, CEASE-III-RR, ISAL, ARMOR |
| Typical orbit | 1423 min period, 6° inclination |
Top operators
AFRL 5 USSF 1
Top countries
US 6
ESPAStar satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| NTS-3 | 65160 | 2025-173A | USSF | Aug 13, 2025 | 1430 min, 3.3° | Active | ◉ |
| LDPE-3A LDPE 3A | 55264 | 2023-008B | AFRL | Jan 15, 2023 | 1452 min, 2.4° | Active | ◉ |
| LDPE-2 LDPE 2 | 54219 | 2022-144A | AFRL | Nov 1, 2022 | 1432 min, 5.7° | Active | ◉ |
| USA 333 USSF 12 Ring | 52941 | 2022-073B | AFRL | Jul 1, 2022 | 1423 min, 2.2° | Active | ◉ |
| LDPE-1 LDPE 1 | 49818 | 2021-118B | AFRL | Dec 7, 2021 | 1455 min, 5.8° | Active | ◉ |
| USA 284 EAGLE | 43340 | 2018-036B | AFRL | Apr 14, 2018 | 1492 min, 5.8° | Active | ◉ |
Frequently asked questions
How many ESPAStar satellites are there?
The catalog lists 6 objects built on the ESPAStar bus. 6 are in orbit and 0 have reentered.
How many ESPAStar satellites are in orbit?
6 ESPAStar objects are currently in orbit, of which 6 carry an active status.
Who builds the ESPAStar bus?
The ESPAStar bus is most commonly built by NGIS.
When did the first ESPAStar satellite launch?
The first cataloged ESPAStar satellite launched in 2018, and the most recent in 2025.