CORONA KH-4B Satellite Bus
Data current as of 2026-07-20.
The CORONA KH-4B bus accounts for 16 cataloged objects, of which 0 are in orbit and 0 are active. 16 have reentered. Most are built by LMSC. The largest operator on this bus is National Reconnaissance Office. The first launched in 1967, the most recent in 1972.
0
In orbit
0
Active
16
Total launched
16
Reentered
CORONA KH-4B launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged CORONA KH-4B satellites.
| Manufacturer | LMSC |
|---|---|
| Launch mass | 345 kg |
| Dry mass | 345 kg |
| Length | 2.3 m |
| Diameter | 1.5 m |
| Span | 2.3 m |
| Shape | Cyl |
Top operators
Top countries
US 16
CORONA KH-4B satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| OPS 6371 OPS 6371 | 06037 | 1972-039A | NRO/CIA | May 25, 1972 | 88 min, 96.3° | Reentered | ◉ |
| OPS 5640 OPS 5640 | 06003 | 1972-032A | NRO/CIA | Apr 19, 1972 | 88 min, 81.5° | Reentered | ◉ |
| OPS 5454 OPS 5454 | 05468 | 1971-076A | NRO/CIA | Sep 10, 1971 | 88 min, 74.9° | Reentered | ◉ |
| OPS 5300 OPS 5300 | 05059 | 1971-022A | NRO/CIA | Mar 24, 1971 | 88 min, 81.5° | Reentered | ◉ |
| OPS 4992 OPS 4992 | 04721 | 1970-098A | NRO/CIA | Nov 18, 1970 | 87 min, 83.0° | Reentered | ◉ |
| OPS 4324 OPS 4324 | 04477 | 1970-054A | NRO/CIA | Jul 23, 1970 | 88 min, 60.0° | Reentered | ◉ |
| OPS 4720 OPS 4720 | 04405 | 1970-040A | NRO/CIA | May 20, 1970 | 88 min, 83.0° | Reentered | ◉ |
| OPS 0440 OPS 0440 | 04342 | 1970-016A | NRO/CIA | Mar 4, 1970 | 89 min, 88.0° | Reentered | ◉ |
| OPS 6617 OPS 6617 | 04264 | 1969-105A | NRO/CIA | Dec 4, 1969 | 88 min, 81.5° | Reentered | ◉ |
| OPS 3654 OPS 3654 | 04050 | 1969-063A | NRO/CIA | Jul 24, 1969 | 88 min, 75.0° | Reentered | ◉ |
| OPS 3890 OPS 3890 | 03672 | 1969-010A | NRO/CIA | Feb 5, 1969 | 88 min, 81.6° | Reentered | ◉ |
| OPS 1315 OPS 1315 | 03531 | 1968-098A | NRO/CIA | Nov 3, 1968 | 88 min, 82.2° | Reentered | ◉ |
| OPS 5955 OPS 5955 | 03336 | 1968-065A | NRO/CIA | Aug 7, 1968 | 88 min, 82.1° | Reentered | ◉ |
| THOR AGENA D R/B OPS 1419 | 03232 | 1968-039B | NRO/CIA | May 1, 1968 | 88 min, 83.0° | Reentered | ◉ |
| OPS 1001 OPS 1001 | 03063 | 1967-122A | NRO/CIA | Dec 9, 1967 | 88 min, 81.6° | Reentered | ◉ |
| OPS 5089 OPS 5089 | 02946 | 1967-087A | NRO/CIA | Sep 15, 1967 | 89 min, 80.1° | Reentered | ◉ |
Frequently asked questions
How many CORONA KH-4B satellites are there?
The catalog lists 16 objects built on the CORONA KH-4B bus. 0 are in orbit and 16 have reentered.
How many CORONA KH-4B satellites are in orbit?
0 CORONA KH-4B objects are currently in orbit, of which 0 carry an active status.
Who builds the CORONA KH-4B bus?
The CORONA KH-4B bus is most commonly built by LMSC.
When did the first CORONA KH-4B satellite launch?
The first cataloged CORONA KH-4B satellite launched in 1967, and the most recent in 1972.