Thursday, March 2, 1995
Wednesday, March 1, 1995
Molniya 178
1990-071A
Molniya-1 (F84, N78) was launched in Aug 1990.
| Molniya-1 F84 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1990 Aug 10 | 2018:58 | Launch by 8K78M | PL |
| BVGD sep | |||
| GO sep | |||
| T+4:46 Blok A sep | |||
| T+4:56 KhO sep | |||
| T+8:46 Blok-I MECO | |||
| 2027 | T+8:50 Blok-I sep | ||
| T+53:16 BOZ burn | |||
| 2113 | T+53:56 BOZ sep | ||
| ML burn | |||
| T+56:46 ML MECO | |||
| 2116 | T+56:54 ML sep | ||
| 1990 Aug 10 | 2130? | 735.88 626 x 40617 x 62.83 | |
| 1990 Aug 16 | 736.02 636 x 40614 x 62.8 | ||
| 1990 Aug 17 | 0000 | 717.25 640 x 39688 x 62.8 | |
| 1990 Aug 19 | 2130? | 717.81 647 x 39709 x 62.87 | |
Isis 1
1969-009A
The followon to Alouette was Isis, the International Satellite for Ionospheric Studies. Isis 1 was built by RCA Victor Ltd. (Montreal). It was used by both CRC and NASA until 1979, and by CRC alone from 1979 to 1984. The project was the reponsibility of the CRDB (Canadian Defense Research Board) and the DOC (Canadian Dept of Communications). The spinning satellite deployed two large dipole antennae. During the early years, command and control was from GSFC. After 1979 it was transferred to CRC and in 1984 the satellite was donated to Japan's ISAS which used it till 1990.
As well as the swept frequency sounder like the Alouette satellites, Isis 1 carried a fixed frequency sounder like that on Explorer 20.
Mass 236 kg (PK: 241 kg). Octagonal double cone size 1.27d 1.04h span 73m. Two debris objects separated from ISIS 1 in May 1993.
| Isis 1 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1969 Jan 30 | 0646 | Launch by Delta E1 (Delta 65) | V SLC 2E |
| T+0:42 SRM burnout | |||
| T+1:10 Castor 1 SRM sep | |||
| T+2:30 MECO | |||
| T+2:34? St 1 sep | |||
| T+2:36 SES 5:50 | |||
| T+2:42 Fairing sep | |||
| 0654 | T+8:30 SECO | ||
| 0658 | T+11:59 Spinup | ||
| 0658 | T+12:02 St 2 sep | ||
| T+12:02 Petal truss straps (2) separate | |||
| 0658 | T+12:15 FW4D burn 31.0s | ||
| 0658 | T+12:45 TECO | ||
| 0700 | T+14:40 FW4D sep | 128.4 578 x 3526 x 88.4 | |
| 0700 | T+14:40 Extend antenna booms | ||
| 1969 Feb 4 | Operational | ||
| 1979 Oct 1 | NASA support ends, to CRC | ||
| 1984 Mar | end of CRC support | ||
| 1984 Mar | Data used by ISAS | ||
| 1990 Jul | End of ISAS use | ||
Payload:
- Dipole antenna, 18.7 m
- Dipole antenna, 73m
- VLF receiver (DRTE/Barrington)
- Cylindrical Electrostatic Probe (GSFC/Brace)
- Fixed Freq Sounder (Lockheed, DRTE/Nelms)
- Cosmic radio noise (DRTE/Hartz) 0.1-20 MHz
- Energetic particle detector (NRCC/McDiarmid)
- Spherical electrostatic analyser (AFGL/Sagalyn)
- Swept frequency sounder (DRTE/Nelms)
- Ion mass spectrometer (AFCRL/Narcisi)
Leasat 4
1985-076D
Leasat 4 was deployed from Discovery on mission 51-I, two days before the salvage of Leasat 3. Celebration over the success of the repairs to Leasat 3 was somewhat dampened in September; although Leasat 4 reached geostationary altitude successfully, the main communications payload went dead shortly afterwards and the satellite was declared a loss. It remained at 178W until 1987, being used for various engineering tests.
| Syncom IV F4 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1985 Aug 29 | 1048:55 | Leasat 4 deploy | |
| 1134 | PKM burn | ||
| 1817? | PKM sep | ||
| 1911 | 284.9 371 x 15557 x 27.5 | ||
| 1985 Aug 29 | 2100? | LAM-1 | 356.40 370 x 20175 x 27.3 |
| 1985 Aug 30 | 1500? | LAM-2 | 466.29 365 x 26715 x 27.3 |
| 2240? | LAM-3 | 636.14 392 x 35854 x 27.2 | |
| 1985 Sep 1 | 0100? | LAM-4 | 783.25 6986 x 36550 x 13.0 |
| 1985 Sep 1 | 1400? | LAM-5 | 874.92 11972 x 35875 x 9.9 |
| 1985 Sep 2 | 0430? | LAM-6 | 1134.59 23441 x 35871 x 5.6 |
| 1985 Sep 3 | 2300? | LAM-7 | 1429.55 35446 x 35869 x 3.7 GEO 176.1E+1.6E |
| 1985 Sep 3 | 1431.41 35513 x 35876 x 3.7 GEO 176.1E+1.1E | ||
| 1985 Sep 4 | Comms payload testing begins | ||
| 1985 Sep 11 | 1436.31 35775 x 35806 x 3.5 GEO 177.8E+0.05W | ||
| 1985 Sep | Comms payload failed | ||
| 1985 Sep | GEO 178E | ||
| 1985 Nov 6 | 1436.19 35786 x 35790 x 3.2 GEO 177.0W+0.03W | ||
| 1986 Aug 11 | 1436.26 35783 x 35796 x 2.5 GEO 176.1W+0.05W | ||
| 1987 Mar 29 | 1436.04 35739 x 35831 x 1.9 GEO 177.8W | ||
| 1987 May 26 | mv out | 1436.04 35435 x 36135 x 1.7 GEO 179.6W | |
| 1987 Jun 30 | 1435.88 35698 x 35865 x 1.7 GEO 178.6W+0.05W | ||
| 1989 May 14 | 1434.88 35012 x 36513 x 0.3 GEO 111.4W+0.3E | ||
| 1989 May 22 | orbit raise | 1440.64 35237 x 36513 x 0.3 | |
| 1992 Jul 2 | 1437.24 35799 x 35818 x 2.8 GEO 167.5E+0.3W | ||