| 词条 | MOS-1 (satellite) |
| 释义 |
| name = Marine Observation Satellite 1 | names_list = MOS-1, Momo-1 | image = | image_caption = | image_size = | mission_type = Earth observation | operator = NASDA | COSPAR_ID = 1987-018A | SATCAT = 17527 | website = | mission_duration = Planned: 2 years Final: {{time interval|19 February 1987 01:23|29 November 1995|show=ymd|sep=,}} | manufacturer = NEC[1] | launch_mass = {{convert|750|kg|lb|abbr=on}} | dry_mass = | dimensions = | power = | launch_date = {{start-date|19 February 1987, 01:23}} UTC[2] | launch_rocket = N-II N-16[2] | launch_site = Tanegashima LC-N[2] | launch_contractor = NASDA | entered_service = | disposal_type = Decommissioned | deactivated = {{end-date|29 November 1995}}[1] | decay_date = | orbit_reference = Geocentric | orbit_regime = Sun-synchronous | orbit_semimajor = | orbit_eccentricity = | orbit_periapsis = {{convert|909|km|mi|abbr=on}} | orbit_apoapsis = {{convert|909|km|mi|abbr=on}} | orbit_inclination = 99.1° | orbit_period = 103.2 minutes | orbit_epoch = 18 February 1987, 19:00:00 UTC[3] | apsis = gee | instruments_list = {{Infobox spaceflight/Instruments | acronym1 = MESSR | name1 = Multispectral Electronic Self-Scanning Radiometer | acronym2 = VTIR | name2 = Visible and Thermal Infrared Radiometer | acronym3 = MSR | name3 = Microwave Scanning Radiometer }} Marine Observation Satellite 1 (MOS-1), also known as Momo-1, was Japan's first Earth observation satellite. It was launched on 19 February 1987 on a N-II rocket from Tanegashima Space Center and was operated by the National Space Development Agency of Japan. It has three instruments: "Multi-Spectral Electronic Self-Scanning Radiometer (MESSR)" which offers 50m resolution in two visible and two infra-red spectral bands over two 100 km swathes; "Visible and Thermal Infrared Radiometer (VTIR)" which has a much lower resolution in one visible and three IR bands over a 1500 km swathe; "Micro Scanning Radiometer (MSR)" which measures microwave emission in the 23 GHz and 31 GHz bands. Its NORAD ID is 17527; it is in a polar orbit at roughly 900 km altitude, but has not been active since November 1995. References1. ^1 {{cite book |url=https://books.google.com/books?id=ZWyXctsWvxgC&pg=PA199&lpg=PA199 |title=Automatic Control in Aerospace 2004 |publisher=Elsevier |series=Proceedings of the 16th IFAC Symposium, Volume 1 |first=Keiken |last=Ninomiya |editor-first=Alexander |editor-last=Nebylov |page=199 |date=2005 |isbn=0-08-044013-4}} 2. ^1 {{cite web |url=http://space.skyrocket.de/doc_sdat/mos.htm |title=MOS 1a, 1b (Momo 1a, 1b) |work=Gunter's Space Page |date=9 June 2016 |accessdate=29 December 2016}} 3. ^1 {{cite web |url=http://nssdc.gsfc.nasa.gov/nmc/spacecraftOrbit.do?id=1987-018A |title=MOS 1: Orbit |work=National Space Science Data Center |publisher=NASA |accessdate=29 December 2016}} External links{{Portal|Spaceflight}}
3 : Earth observation satellites of Japan|Spacecraft launched in 1987|Derelict satellites orbiting Earth |
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