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GEO-CAPE Oceans: Orbit p osition discussion Is the proposed 95°W position optimal or adequate?

GEO-CAPE Oceans: Orbit p osition discussion Is the proposed 95°W position optimal or adequate? What do we gain or lose by shifting East or West of 95° W? We may have to move depending on HP availability. What would be acceptable and what would be unbearable?

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GEO-CAPE Oceans: Orbit p osition discussion Is the proposed 95°W position optimal or adequate?

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  1. GEO-CAPE Oceans: Orbit position discussion • Is the proposed 95°W position optimal or adequate? • What do we gain or lose by shifting East or West of 95°W? • We may have to move depending on HP availability. • What would be acceptable and what would be unbearable? • Slides for discussion, most produced by Dirk Aurin

  2. For perspective: GVA (geo-viewing angle) GZA (geostationary sensor angle) SZA (solar zenith angle)

  3. Air mass fraction over the day (on Equinox) < 5 is good

  4. June 95W (red dot is orbital position, yellow is solar position)

  5. December 95W

  6. Equinox 95W

  7. Equinox at 1800 GMT -85W, -95, -105W clockwise Air mass fraction

  8. Dec. Solstice at 1800 GMT -86W, -96W, -106W clockwise Air mass fraction

  9. GEO-CAPE Oceans: Orbit position discussion • Is the proposed 95°W position optimal? • What do we gain or lose by shifting East or West of 95°W? • We may have to move depending on HP availability. • What would be acceptable and what would be unbearable?

  10. For perspective:

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