Progress 21 - English Wikipedia @ Freddythechick

Progress 21
Spacecraft properties
A Progress 7K-TG spacecraft

Mission type	Salyut 7 resupply
COSPAR ID	1984-042A
SATCAT no.	14961^[1]


Spacecraft	Progress (No.116)
Spacecraft type	Progress 7K-TG^[2]
Manufacturer	NPO Energia


Start of mission
Launch date	7 May 1984, 22:47:15 UTC^[1]
Rocket	Soyuz-U^[2]
Launch site	Baikonur, Site 31/6


End of mission
Disposal	Deorbited
Decay date	26 May 1984, 15:00:30 UTC^[3]


Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	187 km^[3]
Apogee altitude	246 km^[3]
Inclination	51.6°^[3]
Period	88.8 minutes^[3]
Epoch	26 May 1984


Docking with Salyut 7
Docking port	Aft^[3]
Docking date	10 May 1984, 00:10 UTC
Undocking date	26 May 1984, 09:41 UTC

Progress (spacecraft) ← Progress 20 Progress 22 →

Progress 21 (‹See Tfd›Russian: Прогресс 21) was a Soviet uncrewed Progress cargo spacecraft, which was launched in May 1984 to resupply the Salyut 7 space station.

Launch

Progress 21 launched on 7 May 1984 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U rocket.^[2]^[4]

Docking

Progress 21 docked with the aft port of Salyut 7 on 10 May 1984 at 00:10 UTC, and was undocked on 26 May 1984 at 09:41 UTC.^[3]^[5]

Decay

It remained in orbit until 26 May 1984, when it was deorbited. The deorbit burn occurred at 15:00:30 UTC, with the mission ending at around 15:45 UTC.^[3]^[5]

References

^ ^1.0 ^1.1 "Launchlog". Jonathan's Space Report. Retrieved 5 December 2020.
^ ^2.0 ^2.1 ^2.2 "Progress 1 - 42 (11F615A15, 7K-TG)". Gunter's Space Page. Retrieved 5 December 2020.
^ ^3.0 ^3.1 ^3.2 ^3.3 ^3.4 ^3.5 ^3.6 ^3.7 "Cargo spacecraft "Progress 21"". Manned Astronautics figures and facts. Archived from the original on 13 October 2007.
^ "Progress 21". NASA. Retrieved 5 December 2020. This article incorporates text from this source, which is in the public domain.
^ ^5.0 ^5.1 "Salyut 7". Astronautix. Archived from the original on 11 December 2016. Retrieved 5 December 2020.

Progress spacecraft

Versions

Missions

1970s	1978 Progress 1 2 3 4 1979 5 6 7
1980s	1980 Progress 8 9 10 11 1981 12 1982 13 14 15 16 1983 17 18 1984 19 20 21 22 23 1985 24 Kosmos 1669 1986 25 26 1987 27 28 29 30 31 32 33 1988 34 35 36 37 38 39 1989 40 41 M-1 M-2
1990s	1990 Progress M-3 42 M-4 M-5 1991 M-6 M-7 M-8 M-9 M-10 1992 M-11 M-12 M-13 M-14 M-15 1993 M-16 M-17 M-18 M-19 M-20 1994 M-21 M-22 M-23 M-24 M-25 1995 M-26 M-27 M-28 M-29 M-30 1996 M-31 M-32 M-33 1997 M-34 M-35 M-36 M-37 1998 M-38 M-39 M-40 1999 M-41 M-42
2000s	2000 Progress M1-1 M1-2 M1-3 M-43 M1-4 2001 M1-5 M-44 M1-6 M-45 M-SO1 M1-7 2002 M1-8 M-46 M1-9 2003 M-47 M1-10 M-48 2004 M1-11 M-49 M-50 M-51 2005 M-52 M-53 M-54 M-55 2006 M-56 M-57 M-58 2007 M-59 M-60 M-61 M-62 2008 M-63 M-64 M-65 M-01M 2009 M-66 M-02M M-67 M-03M M-MIM2
2010s	2010 Progress M-04M M-05M M-06M M-07M M-08M 2011 M-09M M-10M M-11M M-12M† M-13M 2012 M-14M M-15M M-16M M-17M 2013 M-18M M-19M M-20M M-21M 2014 M-22M M-23M M-24M M-25M 2015 M-26M M-27M† M-28M M-29M MS-01 2016 MS-02 MS-03 MS-04† 2017 MS-05 MS-06 MS-07 2018 MS-08 MS-09 MS-10 2019 MS-11 MS-12 MS-13
2020s	2020 MS-14 MS-15 2021 MS-16 MS-17 MS-18 M-UM 2022 MS-19 MS-20 MS-21 2023 MS-22 MS-23 MS-24 MS-25 2024 MS-26 MS-27 MS-28
Future	2024 MS-29

See also

Signs † indicate launch or spacecraft failures.

v t e ← 1983 Orbital launches in 1984 1985 →
January	OPS 0441
February	STS-41-B (Westar 6, Palapa B2, IRT, SPAS-1A) OPS 8737 OPS 8737 SSU-1 OPS 8737 SSU-2 OPS 8737 SSU-3 Soyuz T-10 Progress 19
March	Intelsat V F-8
April	Soyuz T-11 STS-41-C (LDEF) OPS 7641 Progress 20 OPS 8424
May	Progress 21 Spacenet 1 Progress 22
June	Intelsat V F-9 USA-1 USA-2 USA-3
July	Soyuz T-12
August	ECS-2 Telecom 1A Progress 23 USA-4 STS-41-D (SBS-4, Leasat 2, Telstar 3C)
September	USA-5
October	STS-41-G (ERBS, OSTA-3)
November	STS-51-A (Anik D2, Leasat 1) Spacenet 2 MARECS-2
December	USA-6 NOAA-9 USA-7
Unknown month	Kosmos 1522 Kosmos 1523 Kosmos 1524 Kosmos 1525 Kosmos 1526 Kosmos 1527 Kosmos 1528 Kosmos 1529 Kosmos 1530 Kosmos 1531 Kosmos 1532 Yuri 2a Kosmos 1533 Kosmos 1534 Shiyan Tongbu Tongxing Weixing 1 Kosmos 1535 Kosmos 1536 Ōzora Gran' No.25L Kosmos 1537 Kosmos 1538 Kosmos 1539 Landsat 5 UoSAT-2 Kosmos 1540 Kosmos 1541 Kosmos 1542 Kosmos 1543 Kosmos 1544 Ekran No.26L Molniya-1 No.51 Kosmos 1545 Kosmos 1546 Kosmos 1547 Shiyan Tongbu Tongxing Weixing 2 Kosmos 1548 Kosmos 1549 Gorizont No.19L Kosmos 1550 Kosmos 1551 Kosmos 1552 Kosmos 1553 Kosmos 1554 Kosmos 1555 Kosmos 1556 Kosmos 1557 Kosmos 1558 Kosmos 1559 Kosmos 1560 Kosmos 1561 Kosmos 1562 Kosmos 1563 Kosmos 1564 Kosmos 1565 Kosmos 1566 Kosmos 1567 Kosmos 1568 Kosmos 1569 Kosmos 1570 Kosmos 1571 Kosmos 1572 Kosmos 1573 Kosmos 1574 Gran' No.27L Kosmos 1575 Kosmos 1576 Kosmos 1577 Kosmos 1578 Kosmos 1579 Kosmos 1580 Kosmos 1581 Meteor-2 No.16 Kosmos 1582 Kosmos 1583 Kosmos 1584 Kosmos 1585 Gorizont No.20L Kosmos 1586 Himawari 3 Kosmos 1587 Kosmos 1588 Kosmos 1589 Molniya-1 No.53 Kosmos 1590 CCE IRM UKS SCE Molniya-1 No.54 Ekran No.27L Kosmos 1591 Kosmos 1592 Kosmos 1593 Kosmos 1594 Kosmos 1595 Kosmos 1596 Fanhui Shi Weixing 7 Kosmos 1597 Kosmos 1598 Galaxy 3 Kosmos 1599 Kosmos 1600 Kosmos 1601 Kosmos 1602 Kosmos 1603 Kosmos 1604 Kosmos 1605 Nova 3 Kosmos 1606 Kosmos 1607 NATO 3D Kosmos 1608 Kosmos 1609 Kosmos 1610 Kosmos 1611 Kosmos 1612 Kosmos 1613 Molniya-1 No.55 Vega 1 Kosmos 1614 Kosmos 1615 Vega 2
Payloads are separated by bullets ( · ), launches by pipes ( \| ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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