Naval Research Laboratory
US Navy research satellites · Official site
Data current as of 2026-07-21.
Naval Research Laboratory accounts for 91 cataloged objects, of which 61 are in orbit and 7 are active. 30 have reentered. The first launched in 1958, the most recent in 2019. The busiest year was 1965, with 11 added. The most common spacecraft bus is NRL 14.
Catalog names covered: NRL
61
In orbit
7
Active
91
Total launched
30
Reentered
Naval Research Laboratory satellites launched per year
Still in orbit Since reentered Click a year to list its satellites.
Spacecraft buses
The platforms Naval Research Laboratory satellites are built on.
| Bus | Satellites |
|---|---|
| NRL 14 | 7 |
| Surcal | 5 |
| NRL 10 | 3 |
| NRL 24 | 3 |
| Cubesat 3U | 2 |
| NRL 9 | 2 |
| SOICAL | 2 |
| SR 11 | 2 |
| Timation | 2 |
| Cubesat 1.5U | 1 |
| Long Rod | 1 |
| MSD-PS | 1 |
| NRL 20 | 1 |
| NRL 6 Calsphere | 1 |
| SPTN-200 | 1 |
Registered under
US 91
Naval Research Laboratory satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Bus | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| TEPCE TEPCE 1 | 44346 | 2019-036H | Cubesat 1.5U | Jun 25, 2019 | 89 min, 28.5° | Reentered | ◉ |
| CHEFSAT 2 CHEFsat 2 | 44044 | 2018-092E | Cubesat 3U | Nov 17, 2018 | 88 min, 51.6° | Reentered | ◉ |
| CHEFSAT CHEFsat | 43044 | 2017-071H | Cubesat 3U | Nov 12, 2017 | 87 min, 51.6° | Reentered | ◉ |
| DODECAPOLE 2 DEB deb Dodecapole 2 | 41734 | 1965-065U | · | May 1, 2015 | 101 min, 90.0° | Inactive | ◉ |
| SPINSAT SpinSat | 40314 | 1998-067FL | · | Sep 24, 2014 | 87 min, 51.6° | Reentered | ◉ |
| P/L 153 DEB deb SURCAL 6 | 39247 | 1967-053L | · | Sep 1, 2013 | 91 min, 69.9° | Reentered | ◉ |
| TACSAT 4 TacSat-4 | 37818 | 2011-052A | TS | Sep 27, 2011 | 234 min, 62.8° | Active | ◉ |
| SPARTAN 204 Spartan-204 | 23470 | 1995-004B | SPTN-200 | Feb 4, 1995 | 92 min, 51.6° | Reentered | ◉ |
| USA 59-62 DEB USA 62 cover | 28250 | 1990-050L | · | Jun 8, 1990 | · | Inactive | ◉ |
| USA 59-62 DEB USA 61 cover | 28249 | 1990-050K | · | Jun 8, 1990 | · | Inactive | ◉ |
| OPS 8737 DEB deb NOSS | 19441 | 1984-012M | · | Aug 1, 1988 | · | Reentered | ◉ |
| P/L 153 DEB deb Surcal | 19245 | 1967-053K | · | Apr 1, 1988 | 101 min, 70.0° | Inactive | ◉ |
| USA 22 DEB USA-25 cover | 18024 | 1987-043G | SSU cover | May 15, 1987 | · | Inactive | ◉ |
| USA 22 DEB USA-24 cover | 18008 | 1987-043D | SSU cover | May 15, 1987 | 88 min, 63.2° | Reentered | ◉ |
| USA 22 DEB USA-23 cover | 18007 | 1987-043C | SSU cover | May 15, 1987 | · | Inactive | ◉ |
| ATLAS H R/B LIPS 3 | 17998 | 1987-043B | MSD-PS | May 15, 1987 | 107 min, 63.3° | Inactive | ◉ |
| USA 15 DEB USA-18 cover | 16630 | 1986-014G | SSU cover | Feb 9, 1986 | 88 min, 63.2° | Reentered | ◉ |
| USA 15 DEB USA-17 cover | 16623 | 1986-014D | SSU cover | Feb 9, 1986 | 89 min, 63.2° | Reentered | ◉ |
| USA 15 DEB USA-16 cover | 16622 | 1986-014C | SSU cover | Feb 9, 1986 | · | Inactive | ◉ |
| ATLAS H R/B MSD plume shield | 16592 | 1986-014B | MSD-PS | Feb 9, 1986 | 105 min, 63.3° | Inactive | ◉ |
| OPS 8737 DEB deb NOSS | 28529 | 1984-012N | · | Feb 5, 1984 | · | Inactive | ◉ |
| OPS 8737 DEB deb NOSS | 15349 | 1984-012L | · | Feb 5, 1984 | · | Inactive | ◉ |
| OPS 8737 DEB deb NOSS | 15348 | 1984-012K | · | Feb 5, 1984 | · | Inactive | ◉ |
| OPS 8737 DEB deb NOSS | 15347 | 1984-012J | · | Feb 5, 1984 | · | Inactive | ◉ |
| OPS 8737 DEB JD3 cover | 14969 | 1984-012H | · | Feb 5, 1984 | · | Reentered | ◉ |
| OPS 8737 DEB JD2 cover | 14964 | 1984-012G | · | Feb 5, 1984 | · | Reentered | ◉ |
| OPS 8737 DEB JD1 cover | 14761 | 1984-012E | · | Feb 5, 1984 | · | Reentered | ◉ |
| ATLAS H R/B MSD plume shield | 14691 | 1984-012B | MSD-PS | Feb 5, 1984 | 90 min, 63.2° | Reentered | ◉ |
| OPS 0252 DEB deb NOSS | 31707 | 1983-008K | · | Feb 9, 1983 | · | Inactive | ◉ |
| OPS 0252 DEB deb SSU | 28157 | 1983-008J | · | Feb 9, 1983 | · | Inactive | ◉ |
| OPS 6432 DEB GB3 cover | 14181 | 1983-056H | SSU cover | Jun 9, 1983 | · | Inactive | ◉ |
| OPS 6432 DEB GB1 cover | 14145 | 1983-056E | SSU cover | Jun 9, 1983 | · | Inactive | ◉ |
| ATLAS H R/B MSD plume shield | 14113 | 1983-056B | MSD-PS | Jun 9, 1983 | 106 min, 63.3° | Inactive | ◉ |
| OPS 0252 DEB SSA cover | 13835 | 1983-008D | SSU Cover | Feb 9, 1983 | · | Inactive | ◉ |
| ATLAS H R/B SSB cover | 13834 | 1983-008C | SSU Cover | Feb 9, 1983 | · | Inactive | ◉ |
| SSD LIPS 2 | 13792 | 1983-008B | MSD-PS | Feb 9, 1983 | 107 min, 63.3° | Inactive | ◉ |
| OPS 7245 DEB deb OPS 7245 | 28540 | 1980-019K | · | Mar 3, 1980 | · | Inactive | ◉ |
| OPS 7245 DEB deb OPS 7245 | 28539 | 1980-019J | · | Mar 3, 1980 | · | Inactive | ◉ |
| OPS 7245 DEB EP 3 cover | 11746 | · | SSU cover | Mar 3, 1980 | · | Inactive | ◉ |
| OPS 7245 DEB EP 1 cover | 11733 | · | LIPS | Mar 3, 1980 | · | Inactive | ◉ |
| ATLAS 67F R/B MSD plume shield | 11721 | 1980-019B | MSD-PS | Mar 3, 1980 | 107 min, 63.5° | Inactive | ◉ |
| OPS 8781 DEB SS 2 cover | 12859 | 1977-112H | SSU cover | Dec 8, 1977 | · | Inactive | ◉ |
| OPS 8781 DEB SS 3 cover | 10595 | · | SSU cover | Dec 8, 1977 | · | Inactive | ◉ |
| OPS 8781 DEB SS 1 cover | 10528 | · | LIPS | Dec 8, 1977 | · | Inactive | ◉ |
| ATLAS F R/B MSD plume shield | 10504 | 1977-112B | MSD-PS | Dec 8, 1977 | 107 min, 63.4° | Inactive | ◉ |
| OPS 6431 DEB deb USN satellite | 09996 | · | · | Apr 30, 1976 | · | Inactive | ◉ |
| OPS 6431 DEB deb USN satellite | 09796 | · | · | Apr 30, 1976 | · | Inactive | ◉ |
| OPS 6431 DEB SSU 3 cover | 08859 | · | · | Apr 30, 1976 | · | Inactive | ◉ |
| OPS 6431 DEB SSU 2 cover | 08843 | · | SSU cover | Apr 30, 1976 | · | Inactive | ◉ |
| OPS 6431 DEB deb USN satellite | 08842 | · | SSU cover | Apr 30, 1976 | · | Inactive | ◉ |
| OPS 6431 DEB SSU 1 cover | 08839 | · | LIPS | Apr 30, 1976 | · | Inactive | ◉ |
| SOLRAD 11B SR 11B | 08749 | 1976-023D | SR 11 | Mar 15, 1976 | 7124 min, 25.2° | Inactive | ◉ |
| SOLRAD 11A SR 11A | 08748 | 1976-023C | SR 11 | Mar 15, 1976 | 7318 min, 14.7° | Inactive | ◉ |
| SCOUT B DEB Solrad 10 despin weight | 05320 | 1971-058D | · | Jul 8, 1971 | 90 min, 50.8° | Reentered | ◉ |
| SCOUT B DEB Solrad 10 despin weight | 05319 | 1971-058C | · | Jul 8, 1971 | 89 min, 51.2° | Reentered | ◉ |
| EXPLORER 44 (SOLRAD-10) SR X | 05317 | 1971-058A | SR 10 | Jul 8, 1971 | 89 min, 51.1° | Reentered | ◉ |
| OPS 5268 (CALSPHERE 5) S70-4 Drag Sphere | 04963 | 1971-012E | NRL 10 | Feb 17, 1971 | 88 min, 98.2° | Reentered | ◉ |
| OPS 5268 (CALSPHERE 4) S70-4 Drag Sphere | 04958 | 1971-012D | NRL 10 | Feb 17, 1971 | 89 min, 98.4° | Reentered | ◉ |
| OPS 5268 (CALSPHERE 3) S70-4 Drag Sphere | 04957 | 1971-012C | NRL 10 | Feb 17, 1971 | 88 min, 98.4° | Reentered | ◉ |
| TIMATION 2 Timation II | 04257 | 1969-082C | Timation | Sep 30, 1969 | 103 min, 70.0° | Inactive | ◉ |
| OPS 7613 (P/L 1) OPS 7613 P/L 1 | 04256 | 1969-082B | NRL 24 | Sep 30, 1969 | 103 min, 70.0° | Inactive | ◉ |
| TEMPSAT 2 Tempsat 2 | 04168 | 1969-082H | NRL 14 | Sep 30, 1969 | 103 min, 70.0° | Inactive | ◉ |
| SOICAL [CYLINDER] SOICAL CYLINDER | 04166 | 1969-082J | SOICAL | Sep 30, 1969 | 89 min, 69.9° | Reentered | ◉ |
| SOICAL [CONE] SOICAL CONE | 04132 | 1969-082K | SOICAL | Sep 30, 1969 | 101 min, 70.0° | Inactive | ◉ |
| EXPLORER 37 (SE-B) SR IX | 03141 | 1968-017A | SR 9 | Mar 5, 1968 | 87 min, 59.3° | Reentered | ◉ |
| SURCAL 150B SURCAL 6 | 02909 | 1967-053J | Surcal | May 31, 1967 | 88 min, 69.9° | Reentered | ◉ |
| SURCAL 159 Calsphere III | 02872 | 1967-053F | NRL 14 | May 31, 1967 | 103 min, 70.0° | Active | ◉ |
| TIMATION 1 Timation I | 02847 | 1967-053E | Timation | May 31, 1967 | 103 min, 70.0° | Inactive | ◉ |
| OPS 5712 (P/L 160) Calsphere IV | 02826 | 1967-053A | NRL 14 | May 31, 1967 | 97 min, 69.9° | Active | ◉ |
| EXPLORER 30 SR VIII | 01738 | 1965-093A | NRL 24 | Nov 19, 1965 | 100 min, 59.7° | Inactive | ◉ |
| PORCUPINE 2 SURCAL 5 | 01577 | 1965-065J | Surcal | Aug 13, 1965 | 108 min, 90.0° | Inactive | ◉ |
| THOR ABLESTAR DEB NRL adapter | 01521 | 1965-065K | · | Aug 13, 1965 | 108 min, 90.0° | Inactive | ◉ |
| CALSPHERE 4A Calsphere | 01520 | 1965-065H | NRL 14 | Aug 13, 1965 | 108 min, 89.9° | Active | ◉ |
| NAVSPASUR ROD 1 Navspasur Rod | 01515 | 1965-065G | Long Rod | Aug 13, 1965 | 107 min, 90.0° | Inactive | ◉ |
| TEMPSAT 1 Tempsat 1 | 01512 | 1965-065E | NRL 14 | Aug 13, 1965 | 108 min, 90.0° | Active | ◉ |
| THOR ABLESTAR DEB NRL adapter | 01511 | 1965-065D | · | Aug 13, 1965 | 108 min, 90.0° | Inactive | ◉ |
| DODECAPOLE 2 Dodecapole 2 | 01510 | 1965-065C | NRL 9 | Aug 13, 1965 | 102 min, 90.1° | Inactive | ◉ |
| THOR ABLESTAR DEB NRL adapter | 01504 | 1965-065A | · | Aug 13, 1965 | 107 min, 90.0° | Inactive | ◉ |
| SURCAL 2 SURCAL 4 | 01310 | 1965-016G | Surcal | Mar 9, 1965 | 89 min, 70.0° | Reentered | ◉ |
| PORCUPINE 1 Dodecapole I | 01272 | 1965-016H | NRL 9 | Mar 9, 1965 | 103 min, 70.1° | Inactive | ◉ |
| CALSPHERE 2 Dragsphere 2 | 00902 | 1964-063E | NRL 14 | Oct 6, 1964 | 106 min, 90.2° | Active | ◉ |
| CALSPHERE 1 Dragsphere 1 | 00900 | 1964-063C | NRL 14 | Oct 6, 1964 | 105 min, 90.2° | Active | ◉ |
| LOFTI 2A Lofti IIB | 00601 | 1963-021B | NRL 20 | Jun 15, 1963 | 88 min, 69.9° | Reentered | ◉ |
| SURCAL 1B SURCAL 3 | 00597 | 1963-021F | Surcal | Jun 15, 1963 | 90 min, 69.8° | Reentered | ◉ |
| SURCAL 1A SURCAL 2 | 00508 | 1962-067D | Surcal | Dec 13, 1962 | 89 min, 70.2° | Reentered | ◉ |
| SURCAL 1 Calsphere 1 | 00507 | 1962-067C | NRL 6 Calsphere | Dec 13, 1962 | 91 min, 70.2° | Reentered | ◉ |
| INJUN 3 Injun III | 00504 | 1962-067B | NRL 24 | Dec 13, 1962 | 88 min, 70.2° | Reentered | ◉ |
| VANGUARD DEB deb Vanguard II | 61446 | 1959-001E | · | Feb 17, 1959 | 116 min, 32.9° | Inactive | ◉ |
| VANGUARD DEB deb Vanguard II | 14934 | 1959-001D | · | Feb 17, 1959 | 90 min, 32.8° | Reentered | ◉ |
| VANGUARD DEB Vanguard TV4 clamp | 01576 | 1958-002C | · | Mar 17, 1958 | 122 min, 34.2° | Inactive | ◉ |
| VANGUARD R/B Vanguard TV-4 Stage 3 | 00016 | 1958-002A | 33-KS-2800 | Mar 17, 1958 | 137 min, 34.3° | Inactive | ◉ |
Frequently asked questions
How many satellites does Naval Research Laboratory operate?
Naval Research Laboratory accounts for 91 cataloged objects, of which 61 are currently in orbit. 30 have reentered.
How many Naval Research Laboratory satellites are active?
7 Naval Research Laboratory satellites carry an active status in the catalog.
When did Naval Research Laboratory's first satellite launch?
The first cataloged Naval Research Laboratory object launched in 1958, and the most recent in 2019.
What satellite buses does Naval Research Laboratory use?
The most common spacecraft bus among cataloged Naval Research Laboratory objects is NRL 14.