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Soyuz-2-1b rocket variant
The most significant change in the transition from Soyuz-2-1a rocket to the 2-1b variant (14A15) was replacement of the RD-0110 engine with the RD-0124 and the respective re-design of the third stage for a different propellant component ratio required by the new propulsion system.
Payload spefications of the Soyuz-2-1b rocket variant:
Baikonur |
51.6 degrees |
200 kilometers |
240 kilometers |
8,670 kilograms |
8,080 kilograms |
98 degrees |
200 kilometers |
240 kilometers |
7,030 kilograms |
6,630 kilograms |
Vostochny |
51.6 degrees |
200 kilometers |
240 kilometers |
8,600 kilograms |
8,100 kilograms |
98 degrees |
200 kilometers |
240 kilometers |
7,260 kilograms |
6,850 kilograms |
Plesetsk |
72 degrees |
200 kilometers |
240 kilometers |
7,730 kilograms |
*** |
98 degrees |
200 kilometers |
240 kilometers |
7,270 kilograms |
6,850 kilograms |
A complete list of Soyuz-2-1b missions*:
1 |
2006 Dec. 27 |
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Short, Russian |
Valve depressurization onboard Fregat |
2 |
2008 July 26 |
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Soyuz-2-1b |
ST (81KS) |
- |
3 |
2009 Sept. 17 |
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ST (81KS) |
- |
4 |
2011 Feb. 26 |
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14S737 |
- |
5 |
2011 Oct. 3 |
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14S737 |
- |
6 |
2011 Oct. 21 |
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ST (81KS) |
First Soyuz mission from French Guiana |
7 |
2011 Nov. 28 |
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14S737 |
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8 |
2011 Dec. 23 |
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- |
First launch failure in the Soyuz-2 series |
9 |
2012 Oct. 12 |
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ST (81KS) |
Return to flight for the B-series of the Soyuz-2 family with an RD-0124 engine |
10 |
2013 April 26 |
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14S737 |
- |
11 |
2013 June 7 |
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Soyuz-2-1b |
14S737 |
- |
12 |
2013 June 25 |
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Soyuz-2-1b |
Short, Russian |
- |
13 |
2013 June 25 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
14 |
2013 Dec. 19 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
Successful launch toward L2 point in Earth-Sun system |
15 |
2014 March 24 |
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14S737 |
- |
16 |
2014 June 14 |
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14S737 |
- |
17 |
2014 July 8 |
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14S737 |
- |
18 |
2014 July 10 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
19 |
2014 Aug. 22 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
Payload released into wrong orbit due to Fregat failure |
20 |
2014 Dec. 1 |
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Long, Russian |
- |
21 |
2014 Dec. 18 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
22 |
2014 Dec. 25 |
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- |
- |
23 |
2014 Dec. 26 |
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- |
- |
24 |
2015 March 27 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
25 |
2015 June 23 |
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Soyuz-2-1b |
14S737 |
- |
26 |
2015 Sept. 10 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
27 |
2015 Nov. 17 |
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Soyuz-2-1b/Fregat-M |
14S737 |
- |
28 |
2015 Dec. 17 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
29 |
2016 Feb. 7 |
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Soyuz-2-1b/Fregat |
- |
- |
30 |
2016 March 13 |
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Soyuz-2-1b |
- |
- |
31 |
2016 May 24 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS) |
- |
32 |
2016 May 29 |
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Soyuz-2-1b |
14S737 |
Third stage underperformed during the launch due to fuel leak; compensated by Fregat extended firing |
33 |
2017 Jan. 27 |
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Soyuz-ST-B/Fregat-MT |
ST (81KS/GO 24/136) P15000-025 |
- |
34 |
2017 May 25 |
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14S737 |
- |
35 |
2017 Sept. 22 |
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14S737 |
- |
36 |
2017 Nov. 28 |
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14S737 |
Failed to reach orbit |
37 |
2017 Dec. 2 |
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Soyuz-2-1b |
14S737 |
Rumored third stage underperformance due to a fuel leak |
38 |
2018 March 9 |
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Soyuz-ST-B/Fregat-MT |
ST 81KS |
- |
39 |
2018 June 17 |
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14S737 |
- |
40 |
2018 Oct. 25 |
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Soyuz-2-1b |
14S737 |
- |
41 |
2018 Nov. 3 |
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14S737 |
- |
42 |
2018 Nov. 6 |
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ST 81KS |
- |
43 |
2019 Feb. 21 |
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14S737 |
Premature cutoff of Stage III was compensated for by Fregat |
44 |
2019 Feb. 27 |
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ST 81KS |
- |
45 |
2019 April 4 |
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Soyuz-ST-B/Fregat-MT |
ST 81KS |
- |
46 |
2019 May 27 |
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14S737 |
- |
47 |
2019 Sept. 26 |
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14S737 No. 112-04 |
- |
48 |
2019 Dec. 11 |
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14S737 |
- |
49 |
2020 Feb. 7 |
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Soyuz-2-1b/Fregat |
ST 81 KS |
- |
50 |
2020 Feb. 20 |
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14S737 |
Third stage's underperformance compensated for by Fregat's extended firing |
51 |
2020 March 16 |
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14S737 |
- |
52 |
2020 March 21 |
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Soyuz-2-1b/Fregat |
ST 81KS |
- |
53 |
2020 May 22 |
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14S737 |
- |
54 |
2020 Sept. 28 |
Gonets-M No. 27, 28, 29, Dekart, Iceye X-6 (2), Kepler-2 (2), LacunaSat-3, Lemur-2y (4), MeznSat, NetSat (4), Norbi, SalSat, Yarilo (2) |
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14S737 No. 122-06 |
- |
55 |
2020 Oct. 25 |
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- |
- |
56 |
2020 Dec. 3 |
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14S737 |
- |
57 |
2020 Dec. 18 |
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81KS |
- |
58 |
2021 Feb. 2 |
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Soyuz-2-1b |
14S737 |
- |
59 |
2021 Feb. 28 |
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81KS 1000-0 No. G15000-028 |
- |
60 |
2021 March 25 |
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81KS |
- |
61 |
2021 April 26 |
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81KS |
- |
62 |
2021 May 28 |
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81KS |
- |
63 |
2021 June 25 |
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Soyuz-2-1b |
- |
- |
64 |
2021 July 1 |
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81KS |
- |
65 |
2021 Aug. 22 |
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81KS |
- |
66 |
2021 Sept. 14 |
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81KS |
- |
67 |
2021 Oct. 14 |
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81KS |
- |
68 |
2021 Nov. 24 |
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Soyuz-2-1b |
81KS-UM |
- |
69 |
2021 Nov. 25 |
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14S737 |
- |
70 |
2021 Dec. 4 |
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ST 81KS |
- |
71 |
2021 Dec. 27 |
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81KS |
- |
72 |
2022 Feb. 10 |
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ST 81KS |
- |
73 |
2022 April 7 |
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81KS |
- |
74 |
2022 July 7 |
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14S737 |
- |
75 |
2022 Aug. 9 |
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81KS |
- |
76 |
2022 Oct. 10 |
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14S737 |
- |
77 |
2022 Oct. 22 |
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- |
78 |
2022 Nov. 2 |
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14S737 |
- |
79 |
2022 Nov. 28 |
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14S737 |
- |
80 |
2022 Dec. 1 |
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Soyuz-2-1b |
81KS |
- |
81 |
2023 June 27 |
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- |
82 |
2023 Aug. 7 |
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14S737 |
- |
83 |
2023 Aug. 11 |
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- |
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