Delta IV
Delta IV Medium membawa DSCS III-B6. | |
Fungsi | Kendaraan peluncur luar angkasa Orbital |
---|---|
Produsen | United Launch Alliance |
Negara asal | Amerika Serikat |
Biaya per peluncuran (2024) | 164+ Juta Dollar AS [1] |
Ukuran | |
Tinggi | 63–72 m (207–236 kaki) |
Diameter | 5 m (16 kaki) |
Massa | 249,500–733,400 kg (550,100–1,616,900 pon) |
Tingkatan | 2 |
Kapasitas | |
Muatan menuju LEO | |
Massa | 11.470–28.790 kg (25.290–63.470 pon)[2] |
Muatan menuju GTO | |
Massa | 4.440–14.220 kg (9.790–31.350 pon) |
Roket terkait | |
Keluarga | Delta (keluarga roket) |
Roket sejenis | |
Sejarah peluncuran | |
Status | Delta IV Heavy adalah sistem peluncuran aktif; Delta IV Medium, M+(4,2), M+(5,2), and M+(5,4) sudah pensiun. |
Tempat peluncuran | SLC-37B, Cape Canaveral SLC-6, Vandenberg AFB |
Total peluncuran | 40
|
Keberhasilan peluncuran |
39
|
Kegagalan parsial | 1 (Heavy) |
Penerbangan perdana |
|
Penerbangan terakhir | |
Muatan | |
Pendorong (Medium+) – GEM 60 | |
Jumlah pendorong | Medium+ (4,2), Medium+ (5,2): 2 Medium+ (5,4): 4 |
Bruto | 33.638 kg (74.158 pon) |
Daya dorong | 8.266 kN (1.858.000 lbf) |
Impuls spesifik | 245 s (2,40 km/s) (permukaan laut) |
Durasi pembakaran | 91 detik |
Bahan bakar | HTPB / Aluminum |
Pendorong (Heavy) – Common Booster Core (CBC) | |
Jumlah pendorong | 2 |
Bruto | 226.400 kg (499.100 pon) |
Mesin | 1 RS-68A |
Daya dorong | 3.140 kN (705.000 lbf) (permukaan laut) |
Impuls spesifik | Permukaan laut: 360 s (3,5 km/s) Hampa udara: 412 s (4,04 km/s) |
Durasi pembakaran | 242 detik[2] |
Bahan bakar | LH2 / LOX |
Tingkat Pertama – Common Booster Core (CBC) | |
Bruto | 226,400 kg (499,13 pon) |
Mesin | 1 RS-68A |
Daya dorong | 3,13600 kN (705,000 lbf) (permukaan laut) |
Impuls spesifik | Permukaan laut: 360 s (3,5 km/s) Hampa udara: 412 s (4,04 km/s) |
Durasi pembakaran | 245 detik (328 detik dalam konfigurasi Heavy)[2] |
Bahan bakar | LH2 / LOX |
Tingkat Kedua – Delta Cryogenic Second Stage (DCSS) | |
Bruto | 4-m: 24.170 kg (53.290 pon) 5-m: 30.700 kg (67.700 pon) |
Mesin | 1 RL10-B-2 |
Daya dorong | 110 kN (25.000 lbf) |
Impuls spesifik | 462 s (4,53 km/s) |
Durasi pembakaran | 850-1,125 detik |
Bahan bakar | LH2 / LOX |
Delta IV adalah roket peluncuran sekali pakai yang masih aktif di keluarga roket Delta . Delta IV menggunakan roket yang dirancang oleh Boeing's Integrated Defense Systems division dan dibangun di fasilitas United Launch Alliance (ULA) di Decatur, Alabama . Perakitan akhir selesai di tempat peluncuran oleh ULA. Roket-roket yang dirancang untuk meluncurkan muatan ke orbit untuk program Angkatan Udara Amerika Serikat Evolved Launch Vehicle Expendable (EELV) dan bisnis satelit komersial. Roket Delta IV tersedia dalam lima versi: Medium, Medium+ (4,2), Medium+ (5,2), Medium+ (5,4), dan Heavy, yang disesuaikan dengan ukuran berat muatan yang dibawa. Delta IV dirancang untuk memenuhi kebutuhan militer AS dalam pengadaan peluncuran satelit militernya.
Roket dirakit di fasilitas Integrasi Horizontal di SLC-37B di Cape Canaveral, dan di SLC-6 di Pangkalan Angkatan Udara Vandenberg .
Delta IV awalnya memiliki dua versi utama yang memungkinkan roket ini mampu untuk mencakup berbagai ukuran dan massa muatan, diantaranya : Versi Medium yang sudah pensiun (yang memiliki empat konfigurasi) dan Heavy. Pada 2019, hanya versi Heavy yang tetap aktif. Satelit atau Wahana antariksa yang akan diluncurkan ke orbit dengan bobot berat yang mencakup versi medium akan dipindah ke Atlas V atau Vulcan yang sedang dikembangkan. Delta IV direncanakan akan pensiun pada 2023.[3]
Riwayat Peluncuran Roket Delta IV
No. | Date/Time (UTC) |
Type | Serial-no. | Startplace | Payload | Type of payload | Orbit | Outcome | Remarks |
---|---|---|---|---|---|---|---|---|---|
1 | 2002-11-20 22:39 |
Medium+(4,2) | 293 | CCAFS SLC-37B | Eutelsat W5 | Commercial communications satellite | GTO | Success | First Delta IV launch |
2 | 2003-03-11 00:59 |
Medium | 296 | CCAFS SLC-37B | USA-167 (DSCS-3 A3) | Military communications satellite | GTO | Success | First Delta IV Medium launch First USAF EELV mission |
3 | 2003-08-29 23:13 |
Medium | 301 | CCAFS SLC-37B | USA-170 (DSCS-3 B6) | Military communications satellite | GTO | Success | |
4 | 2004-12-21 21:50 |
Heavy | 310 | CCAFS SLC-37B | DemoSat[4] / 3CS-1 / 3CS-2 | Demonstration payload | GSO (planned) | Partial failure | |
5 | 2006-05-24 22:11 |
Medium+(4,2) | 315 | CCAFS SLC-37B | GOES 13 (GOES-N) | Weather satellite | GTO | Success | |
6 | 2006-06-28 03:33 |
Medium+(4,2) | 317 | VAFB SLC-6 | USA-184 (NROL-22) | Reconnaissance satellite | Molniya | Success | First Delta IV launch from Vandenberg[7] |
7 | 2006-11-04 13:53 |
Medium | 320 | VAFB SLC-6 | USA-192 (DMSP F17) | Military weather satellite | SSO | Success | First Delta IV launch into a LEO/SSO |
8 | 2007-11-11 01:50 |
Heavy | 329 | CCAFS SLC-37B | USA-197 (DSP-23) | Missile Warning satellite | GSO | Success | First Delta IV launch contracted by United Launch Alliance Launch delayed due to damage to launch pad caused by a liquid oxygen leak[8] |
9 | 2009-01-18 02:47[9][10] |
Heavy | 337 | CCAFS SLC-37B | USA-202 (NROL-26) | Reconnaissance satellite | GSO | Success[11] | |
10 | 2009-06-27 22:51[12] |
Medium+(4,2) | 342 | CCAFS SLC-37B | GOES 14 (GOES-O) | Weather satellite | GTO | Success[13] | |
11 | 2009-12-06 01:47[14] |
Medium+(5,4) | 346 | CCAFS SLC-37B | USA-211 (WGS-3) | Military communications satellite | GTO | Success[14] | First Delta IV Medium+ (5,4) launch |
12 | 2010-03-04 23:57 |
Medium+(4,2) | 348 | CCAFS SLC-37B | GOES 15 (GOES-P) | Weather satellite | GTO | Success[15] | |
13 | 2010-05-28 03:00 |
Medium+(4,2) | 349 | CCAFS SLC-37B | USA-213 (GPS IIF SV-1) | Navigation Satellite | MEO | Success[16] | |
14 | 2010-11-21 22:58[9] |
Heavy | 351 | CCAFS SLC-37B | USA-223 (NROL-32) | Reconnaissance satellite | GSO | Success[17] | |
15 | 2011-01-20 21:10 |
Heavy | 352 | VAFB SLC-6 | USA-224 (NROL-49) | Reconnaissance satellite | LEO | Success[18] | First Delta IV Heavy launch from Vandenberg[18] |
16 | 2011-03-11 23:38[9] |
Medium+(4,2) | 353 | CCAFS SLC-37B | USA-227 (NROL-27) | Reconnaissance satellite | GTO | Success[19] | |
17 | 2011-07-16 06:41 |
Medium+(4,2) | 355 | CCAFS SLC-37B | USA-231 (GPS IIF SV-2) | Navigation Satellite | MEO | Success[20] | |
18 | 2012-01-20 00:38 |
Medium+(5,4) | 358 | CCAFS SLC-37B | USA-233 (WGS-4) | Military communications satellite | GTO | Success | |
19 | 2012-04-03 23:12 |
Medium+(5,2) | 359 | VAFB SLC-6 | USA-234 (NROL-25) | Reconnaissance satellite | LEO | Success | First flight in the Medium+(5,2) version |
20 | 2012-06-29 13:15 |
Heavy | 360 | CCAFS SLC-37B | USA-237 (NROL-15) | Reconnaissance satellite | GSO | Success[21] | First flight of the RS-68A engine[21] |
21 | 2012-10-04 12:10 |
Medium+(4,2) | 361 | CCAFS SLC-37B | USA-239 (GPS IIF SV-3) | Navigation Satellite | MEO | Success[22] | Minor upper stage anomaly[23] |
22 | 2013-05-25 00:27 |
Medium+(5,4) | 362 | CCAFS SLC-37B | USA-243 (WGS-5) | Military communications satellite | GTO | Success[24] | |
23 | 2013-08-08 00:29 |
Medium+(5,4) | 363 | CCAFS SLC-37B | USA-244 (WGS-6) | Military communications satellite | GTO | Success[25] | |
24 | 2013-08-28 18:03 |
Heavy | 364 | VAFB SLC-6 | USA-245 (NROL-65) | Reconnaissance satellite | LEO | Success[26] |
List Date: August 28, 2013
Referensi
- ^ http://www.gao.gov/products/GAO-17-609
- ^ a b c Kesalahan pengutipan: Tag
<ref>
tidak sah; tidak ditemukan teks untuk ref bernama:1
- ^ "ULA targeting September 26 for next Delta 4-Heavy launch attempt". Spaceflight Now. 17 September 2020. Diakses tanggal 25 September 2020.
- ^ "The DemoSat payload". Spaceflight Now. 2004-12-01.
- ^ Justin Ray (December 22, 2004). "Delta 4-Heavy hits snag on test flight". Spaceflight Now. Diakses tanggal December 12, 2010.
- ^ Justin Ray (December 22, 2004). "Air Force says plenty of good came from Delta 4 test". Spaceflight Now. Diakses tanggal December 12, 2010.
- ^ Justin Ray (June 27, 2006). "New era of rocket launches begins at California base". Spaceflight Now. Diakses tanggal December 12, 2010.
- ^ Covault, Craig (March 9, 2007). "Delta Pad Damage Assessed After Fuel Leak". Aviation Week. Diarsipkan dari versi asli tanggal 2007-09-29. Diakses tanggal 2022-01-16.
- ^ a b c "Tracking Station - Worldwide launch schedule". Spaceflight Now. Diarsipkan dari versi asli tanggal 2010-06-04. Diakses tanggal 2008-10-13.
- ^ Schaub, Michael B. "Mission Set Database". NASA GSFC/Honeywell TSI. Diarsipkan dari versi asli tanggal 2013-07-20. Diakses tanggal 2008-10-13.
- ^ "First ULA Delta IV Heavy NRO Mission Successfully Lifts Off From Cape Canaveral". United Launch Alliance. January 17, 2009. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal December 12, 2010.
- ^ Harwood, William (June 27, 2009). "Delta 4 deploys an advanced weather observatory". Spaceflight Now.
- ^ "NASA and NOAA's GOES-O Satellite Successfully Launched" (Siaran pers). NASA KSC. June 27, 2009.
- ^ a b Ray, Justin (2009-12-05). "New communications craft launched for U.S. military". Spaceflight Now. Diakses tanggal 2009-12-06.
- ^ "Teaming of Delta 4 rocket and GOES a sweet success". Spaceflight Now. 2010-03-04.
- ^ "First-of-its-kind satellite for GPS launched into space". Spaceflight Now. 2010-05-28.
- ^ "Huge rocket launches secret U.S. spy satellite". MSNBC.com. 22 November 2010. Diakses tanggal 22 November 2010.
- ^ a b "United Launch Alliance Launches First West Coast Delta IV Heavy Mission". United Launch Alliance. 20 January 2011. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 21 January 2011.
- ^ "ULA Successfully launches Fourth NRO mission in Six months". United Launch Alliance. 11 March 2011. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 12 March 2011.
- ^ "United Launch Alliance Marks the 50th Successful GPS Launch for the Air Force with the Delivery of the GPS IIF-2 Mission to orbit". United Launch Alliance. 16 July 2011. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 16 July 2011.
- ^ a b Kesalahan pengutipan: Tag
<ref>
tidak sah; tidak ditemukan teks untuk ref bernamaULA-PR-Jun12
- ^ "United Launch Alliance Delta IV Rocket Successfully Launches Global Positioning System Satellite for the U.S. Air Force". United Launch Alliance. 4 October 2012. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 4 October 2012.
- ^ "United Launch Alliance Provides Update to Global Positioning System Launch". United Launch Alliance. 5 October 2012. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 7 October 2012.
- ^ "United Launch Alliance Launches Second Successful Mission for U.S. Air Force in Just Nine Days". United Launch Alliance. 24 May 2013. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 25 May 2013.
- ^ "United Launch Alliance Successfully Launches Second Wideband Global SATCOM Mission for U.S. Air Force in Less Than Three Months". United Launch Alliance. 8 August 2013. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 8 August 2013.
- ^ "National Reconnaissance Office Mission Successfully Launches on World's Largest Rocket, the Unite Launch Alliance Delta IV Heavy". United Launch Alliance. 28 August 2013. Diarsipkan dari versi asli tanggal 2015-07-20. Diakses tanggal 29 August 2013.