1972-082A
ITOS D (NOAA 2) carried an improved set of infrared imaging and atmospheric sounding instruments. It was launched at 1719 on 1972 Oct 15 from Space Launch Complex 2-West at Vandenberg. The Castor motors separated from the Delta 0300 rocket at 1721; at T+3:40 the Thor stage separated and the Delta second stage began its 5 min burn. At 1728 the Delta and NOAA 2, still attached, were in parking orbit. At 1816 Delta reignited for 12 seconds to insert the combination into sun-synchronous orbit, and NOAA 2 separated into a 115.0 min, 1451 x 1458 km x 101.8 deg orbit at 1823. The Oscar subsatellite separated from the Delta at 1825 and at 1903 the Delta made a test burn to a 918 x 1475 km x 102.8 deg orbit. NOAA 2 sent back weather data until 1975 Jan 10.
| NOAA 2 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1972 Oct 15 | 1719:19 | Launch by Delta 0300 | V SLC2W |
| T+0:34 SRM cutoff | |||
| 1720 | SRM sep | ||
| 1723 | T+3:42 MECO | ||
| 1723 | Stage 1 sep | ||
| 1723 | SES-1 | ||
| 1728 | SECO-1 | 190? x 1450? x 101.8 | |
| 1816 | SES-2 12s | ||
| 1816 | SECO-2 | ||
| 1823 | St 2 sep | 115.0 1451 x 1458 x 101.8 | |
| 1825 | Oscar sep | ||
| 1903 | SES-3 test | ||
| 1903 | SECO-3 | 918 x 1475 x 102.8 | |
| 1975 Jan 10 | End of ops | ||
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