2014-085A
The first flight of Russia's new heavy lift launch vehicle, the Angara A5, appears to have been a success. Angara's main stages are powered by LOX/Kerosene engines, more enviromentally friendly than Proton's UDMH/N2O4, and the rocket is launched from Plesetsk rather than Baikonur to lessen Russia's dependence on Kazakhstan for access to space.
The Angara-A5's first stage consists of four strapon URM-1 rockets, powered by RD-191 engines, clustered around the second stage, another URM-1 acting as the vehicle core. After launch at 0557:25 UTC Dec 23 the strapon URM-1 boosters separated at 0600:55 UTC at an altitude of 82 km; the core URM-1 shut down and separated at 0602:55 UTC at an altitude of 148 km, reentering downrange near Tomsk. The nose fairing was jettisoned 10 seconds later. The third stage is a URM-2, powered by the RD-0124A engine; it reached a marginally suborbital trajectory and, after separating from the upper composite section, reentered in the Philippine Sea at a range of 2320 km from the launch site. Meanwhile, the fourth stage, a standard Briz-M (S/N 88801) propelled the stack into a 250 km, 63 deg parking orbit with a burn starting at 0611 UTC. After coasting to the equator, two perigee burns at 0703 and 0926 UTC boosted the apogee to 5000 km and 35800 km respectively, reducing inclination to 60.6 deg. The Briz-M's additional propellant tank was jettisoned into a 433 x 35808 km x 60.6 deg orbit and cataloged as 40355. The payload on this flight was a dummy satellite called the IPM (acronym unknown, but probably meaning something like Test Payload Model) or, according to Novosti Kosmonavtiki, MGM (Massogabaritniy Maketa). The stack coasted to apogee and at 1444 UTC began the 4th burn to enter circular geosynchronous orbit. At 1457 UTC the Briz sent a simulated separation command, but the payload remained attached to the stage as intended. After a few more hours, two burns of the Briz stage's SOZ auxiliary engines moved the stack to a graveyard orbit a few hundred km above GEO.
| A5 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2014 Dec 23 | 0557:00 | Launch by Angara A5 | PL |
| 0600:55 | T+3:30 URM-1 (BB) boosters sep 86 km 3027m/s | -5900? x 100? | |
| 0602 | T+5:26 URM-1 (TsB) Core sep 159 km 4.807km/s | -4850? x 170? | |
| URM-1 impact 850 km range, Tomsk region | |||
| T+5:42 Fairing, 169 km, 4.845m/s | -4830? x 175? | ||
| T+5:28 URM-2 start | |||
| Core impact 2320 km range, Tomsk | |||
| 0609 | T+12:13 URM-2 MECO 215 km 7.145 km/s | -1065 x 220 x 63.15 | |
| 0609 | T+12:15 St 3 sep | ||
| URM-2 impact 8266 km range, Phliippine Sea | |||
| 0610:50 | T+13:50 Briz MES-1 | ||
| 0619:38 | T+22:38 MECO-1 | 250 x 250 x 63 | |
| 215 x 215 x 63.18 (NK) | |||
| 175 x 190 x 64.6 (Zarya) | |||
| 0703:04 | T+1:06:04 MES-2 18m? | ||
| 0718:04 | T+1:21:04 MECO-2 | 307 x 5007 x 62.00 | |
| 0926:00 | T+3:29:00 MES-3 18m? | ||
| 0941:11 | T+3:44:11 MECO-3 | ||
| 0942:32 | T+3:45:32 DTB sep | 636.02 444 x 35796 x 60.60 | |
| 1444:13 | T+8:47:13 MES-4 12m? | ||
| 1456:26 | T+8:59:26 MECO-4 | 1436.07 35793 x 35793 x 0.0 | |
| 1457:36 | MGM simulated sep from Briz | ||
| Planned graveyard orbit | 1461.65 35625 x 35946 x 0.44 | ||
| 1700:50 | SOZ-5 | ||
| 1701:05 | SOZ-5 CO | ||
| 1812:00 | SOZ-6 to graveyard orbit | ||
| 1813:40 | SOZ-6 CO | ||
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