Vela 2A
![]() Vela satellite. | |
Operator | USAF |
---|---|
COSPAR ID | 1964-040A[1] |
SATCAT no. | 836 |
Spacecraft properties | |
Manufacturer | TRW |
Launch mass | 150 kilograms (330 lb) |
Power | 90 W |
Start of mission | |
Launch date | July 17, 1964, 08:22 (1964-07-17UTC08:22Z) UTC |
Rocket | Atlas LV-3A Agena-D |
Launch site | Cape Canaveral LC-13 |
Orbital parameters | |
Reference system | Geocentric[2] |
Regime | Highly Elliptical |
Eccentricity | 0.5262 |
Perigee altitude | 45,585 kilometres (28,325 mi) |
Apogee altitude | 161,011 kilometres (100,048 mi) |
Inclination | 75.15° |
Epoch | July 10, 2017 (2017-07-10) |
Vela ← Vela 1B Vela 2B → |
Vela 2A, also known as Vela 3, Vela Hotel 3 and OPS 3662,[3] was a U.S. military satellite developed to detect nuclear detonations to monitor compliance with the 1963 Partial Test Ban Treaty by the Soviet Union. The secondary task of the ship was space research (X-rays, gamma rays, neutrons, magnetic field and charged particles).
Launch
Vela 2A was released on July 17, 1964, from the Cape Canaveral Air Force Station, Florida, through an Atlas-Agena launch vehicle. Vela 2A was launched along with Vela 2B and with ERS 13.[4]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Atlas_Agena_D_with_Vela_2A%2C_Vela_2B_and_ERS_13_%28Jul._17_1964%29.jpg/110px-Atlas_Agena_D_with_Vela_2A%2C_Vela_2B_and_ERS_13_%28Jul._17_1964%29.jpg)
Capabilities
Vela 2A was rotationally stabilized (2 rotations per sec.). The ship could work in real time mode (one data frame per second) or in data recording mode (one frame every 256 seconds). The first mode was used for the first 40% of the mission's duration. The second one was used until the next pair of Vela satellites were launched.
Instruments
- X-ray and charged particle detector
- Gamma ray detector and charged particles
- Neutron detector
- Electron and proton spectrometer
- Background radiation detector
- Solid state detector
- Geiger-Muller counters
- Magnetometer
See also
References
- ^ NASA Goddard Space Flight Center. "Vela 2A". Retrieved June 28, 2018.
This article incorporates text from this source, which is in the public domain.
- ^ N2YO.com. "OPS 3662 (VELA 3)". N2YO.com. Retrieved June 28, 2018.
{{cite web}}
: CS1 maint: numeric names: authors list (link) - ^ Antonín Vítek. "1964-040A - Vela 3". Space 40. Retrieved June 28, 2018.
- ^ Wade, Mark. "Vela". Astronautix. Archived from the original on December 28, 2016. Retrieved June 28, 2018.
External links
- Vela 2. Heavens Above
- v
- t
- e
- Poppy 3
- GGSE-1
- SOLRAD 7A
- SECOR 1
- OPS 3367A
- OPS 3367B
- Relay 2
- Echo 2
- Jupiter Nosecone
- Elektron 1
- Elektron 2
- Ranger 6
- OPS 3444
- Zond 3MV-1 No.2
- Kosmos 25
- OPS 2423
- OPS 3722
- OPS 3435
- Kosmos 26
- BE-A
- Luna E-6 No.6
- OPS 3467
- Kosmos 27
- Ariel 2
- Zond 1
- Kosmos 28
- Gemini 1
- Polyot 2
- Luna E-6 No.5
- Transit 5BN-3
- Transit 5E-4
- OPS 3743
- Kosmos 29
- OPS 2921
- Kosmos 30
- OPS 3592
- Apollo AS-101
- OPS 4412
- OPS 3483
- Molniya-1 No.2
- Kosmos 31
- Kosmos 32
- OPS 3236
- OPS 4467A
- OPS 4467B
- OPS 3754
- Kosmos 33
- ESRS
- Atlas-Centaur 3
- Kosmos 34
- OPS 3395
- OPS 3684
- OPS 4923
- Elektron 3
- Elektron 4
- OPS 3491
- Kosmos 35
- Vela 2A
- Vela 2B
- ERS-13
- Ranger 7
- Kosmos 36
- OPS 3042
- Kosmos 37
- OPS 3802
- OPS 3216
- Kosmos 38
- Kosmos 39
- Kosmos 40
- Syncom 3
- OPS 2739
- Kosmos 41
- Kosmos 42
- Kosmos 43
- Kosmos 44
- Titan 3A-2
- OGO-1
- Kosmos 45
- OPS 3497
- Apollo AS-102
- OPS 4262
- Kosmos 46
- Explorer 21
- OPS 3333
- Kosmos 47
- OPS 5798
- Dragsphere 1
- Dragsphere 2
- OPS 4036
- Explorer 22
- Voskhod 1
- Kosmos 48
- OPS 3559
- Strela-1 No.6
- Strela-1 No.7
- Strela-1 No.8
- OPS 4384
- OPS 5063
- Kosmos 49
- Kosmos 50
- OPS 5434
- OPS 3062
- Mariner 3
- Explorer 23
- OPS 3360
- Explorer 24
- Explorer 25
- Mariner 4
- Zond 2
- DS-2 No.2
- OPS 4439
- Kosmos 51
- Titan 3A-1
- Surveyor Mass Model
- OPS 6582
- Transit 5E-5
- San Marco 1
- OPS 3358
- Explorer 26
- OPS 3762
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