Indian Mini Satellite bus
Indian Mini Satellite (IMS) is a family of modular[1] mini satellite buses developed by the Indian Space Research Organisation (ISRO).[2][3]
Variants
[edit]| Feature | IMS-1[4][5][6][predatory publisher][7] | IMS-2[6][8] | IMS-3 (Planned IMS-2 Derivative)[9] |
| Launch Mass | 100 kilograms (220 lb) | 450 kilograms (990 lb) | 450 kilograms (990 lb) |
| Maximum bus mass | 70 kilograms (150 lb) | 250 kilograms (550 lb) | 250 kilograms (550 lb) |
| Payload mass | 30 kilograms (66 lb) | 200 kilograms (440 lb) | 200 kilograms (440 lb) |
| Propellant | 3.5 kilograms (7.7 lb) | 21 kilograms (46 lb) | |
| Design lifetime | 2 years | 5 years | |
| Raw bus voltage | 28-33 Volts | 28-33 Volts | 28-42 Volts |
| Solar Array Power | 330 Watts (EOL) | 675 Watts (EOL) 850 Watts (BOL) |
850 Watts (BOL) |
| Payload power | 30 Watts (Continuous) 70 Watts (Duty Cycle) |
250 Watts (Continuous) 600 Watts (Duty Cycle) |
250 Watts (Continuous) 400 Watts (Duty Cycle) |
| Attitude Control | 3-axis stabilized Four Reaction Wheels Single 1N thruster |
3-axis stabilized Four Reaction Wheels Mono-propellant RCS Four 1N thrusters Four 0.2N thrusters |
|
| Pointing Accuracy | ±0.1° (3σ) (all axes) | ± 0.1° (all axes) | ± 0.1° (all axes) |
| SSR Storage | 32 Gb | 32 Gb (SDRAM) 256 Gb (Flash Memory) |
32 Gb (SDRAM) 256 Gb (Flash Memory) |
| Payload data storage | ≤ 16 Gb | ≤ 32 Gb | |
| Downlink | ≤ 8 Mbit/s DL rate | ≤ 105 Mbit/s DL rate | ≤ 160 Mbit/s DL rate |
| Missions | |||
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See also
[edit]
References
[edit]- ^ "63rd International Astronautical Congress 2012 : 19th SYMPOSIUM ON SMALL SATELLITE MISSIONS (B4) : Generic Technologies for Small/Micro Platforms (6A)" (PDF). Iafastro.net. Retrieved 10 August 2017.
- "SARAL - eoPortal Directory - Satellite Missions". Directory.eoportal.org. Retrieved 10 August 2017. - ^ "Archived copy" (PDF). Archived from the original (PDF) on 8 March 2014. Retrieved 7 February 2014.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ Thyagarajan, K; Raghava Murthy, D.V.A. (3 June 2009). "Micro- and mini-satellites of ISRO—technology and applications". Acta Astronautica. 65 (9, 10): 1375–1382. Bibcode:2009AcAau..65.1375T. doi:10.1016/j.actaastro.2009.03.050.
- ^ "IMS-1 - eoPortal Directory - Satellite Missions". directory.eoportal.org. Retrieved 2018-11-05.
- ^ "Interest Exploratory Note: Indian Mini Satellite-1 (IMS-1) Bus" (PDF). 15 March 2022. Archived (PDF) from the original on 15 March 2022. Retrieved 15 March 2022.
- ^ a b "Small Satellites in Inclined Orbits to Increase Observation Capability Feasibility Analysis" (PDF). International Journal of Pure and Applied Mathematics. 118 (17): 273–288. 6 January 2018. Archived from the original (PDF) on 4 November 2018. Retrieved 5 Nov 2018.
- ^ "Interest Exploratory Note Indian Mini Satellite-1 (IMS-1) Bus" (PDF). 15 March 2022.
- ^ "SARAL - Satellite for Argos and AltiKa" (PDF). MOSDAC. Retrieved 5 Nov 2018.[permanent dead link]
- ^ Annadurai, Mylswamy (22 January 2015). "Earth Observation & Small Satellite Systems, User Interaction Meet 2015" (PDF). NRSC.gov.in. Archived from the original (PDF) on 27 March 2015.
- ^ "IMS-1 - ISRO". isro.gov.in. Archived from the original on 10 September 2017. Retrieved 28 October 2015.
- ^ "YouthSat (IMS 1A)". Space.skyrocket.de. Retrieved 28 October 2015.
- ^ "Microsat". ISRO. Archived from the original on 25 January 2018. Retrieved 12 January 2018.
- ^ "SARAL - ISRO". isro.gov.in. Archived from the original on 31 July 2017. Retrieved 28 October 2015.
- "Old Faithful does it again". The Hindu. 2013-02-27. Retrieved 28 October 2015. - ^ "SCATSat-1 (Scatterometer Satellite-1)". Directory.eoportal.org. Retrieved 10 August 2017.
- ^ Krebs, Gunter. "EMISAT". Gunter's Space Page. Retrieved 24 January 2018.
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