Difference between revisions of "Kakuloa"
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(→Kakuloa: add info about orbit (from private wiki)) |
(import changes from private wiki, mostly physical characteristics) |
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== Kakuloa == | == Kakuloa == | ||
− | Habitable planet orbiting Alpha Centauri B, (Alpha Centauri B II) | + | Habitable planet orbiting Alpha Centauri B, (Alpha Centauri B II, designated "Baker" prior to the first landing) |
− | First extra-solar planet landed upon by humans (but first settlement on [[Sawyers World]]). | + | First extra-solar planet landed upon by humans (but the first settlement was on [[Sawyers World]]). |
* Largest city: Krechets Landing, Kakuloa City (? see ''Renee'') | * Largest city: Krechets Landing, Kakuloa City (? see ''Renee'') | ||
* Rotation: ~23 hr ? | * Rotation: ~23 hr ? | ||
− | * | + | * Diameter: slightly smaller than Earth (0.986 e, 12,680 km, 7880 mi) |
* Density: slightly higher than Earth (5.76 gm/cm3, vs 5.52 for Earth) | * Density: slightly higher than Earth (5.76 gm/cm3, vs 5.52 for Earth) | ||
* Gravity: slightly higher than Earth per ''Alpha Centauri: First Landing'' (1.028g) | * Gravity: slightly higher than Earth per ''Alpha Centauri: First Landing'' (1.028g) | ||
Escape velocity is lower than Sawyers World, thus less than 11.42 km/sec (or net less than 11 km/sec) | Escape velocity is lower than Sawyers World, thus less than 11.42 km/sec (or net less than 11 km/sec) | ||
− | ** 11.35 km/sec, with a 0.48 km/sec equatorial rotation boost. | + | ** 11.35 km/sec, with a 0.48 km/sec equatorial rotation boost. The sidereal day is 23:03:10.08 long, about 05:40 less than the solar day. |
− | Two moons, one about Luna sized, Mahina Nui, and one about 460km (285mi) diameter, Mahina’uku. | + | Two moons, one about Luna sized, Mahina Nui (3300 km), and one about 460km (285mi) diameter, Mahina’uku. |
− | Habitable zone is ~0.56 to ~1.10 AU, orbital period ~0.43 to ~1.20 Earth years. Kakuloa's distance and year about two-thirds of Earth's, but it's not at the inner edge of the HZ. | + | Habitable zone is ~0.56 to ~1.10 AU, orbital period ~0.43 to ~1.20 Earth years. Kakuloa's distance and year about two-thirds of Earth's, but it's not at the inner edge of the HZ. Orbital period is 0.667 Earth years. |
+ | |||
+ | *Year is 5626.9 hours, = 234.45 Earth (24h) days, = 243.09 Kakula 'solar' days (244.09 sidereal days). | ||
+ | *Rounding to 243 gives alternate a leap year every 11 years. | ||
+ | *Calendar is 8 months of alternating 30 and 31 days (with one short month except in a leap year) -- although this doesn't match up with either moon (close to large moon). | ||
+ | *Orbital distance is ~0.7262 AU, so together with the star's luminosity of 0.5002 sol, it gets about 94.9% as much sunshine (per square meter) as Earth. The planet would thus be on average a tiny bit cooler, but this is offset by a higher humidity atmosphere (more surface water) which traps more heat. | ||
+ | *The solar day is 23:08:50.28 long. The time between 23:08:50.28 and 00:00:00 the next day is skipped. | ||
=== Notes === | === Notes === |
Latest revision as of 05:53, 7 October 2018
Kakuloa
Habitable planet orbiting Alpha Centauri B, (Alpha Centauri B II, designated "Baker" prior to the first landing)
First extra-solar planet landed upon by humans (but the first settlement was on Sawyers World).
- Largest city: Krechets Landing, Kakuloa City (? see Renee)
- Rotation: ~23 hr ?
- Diameter: slightly smaller than Earth (0.986 e, 12,680 km, 7880 mi)
- Density: slightly higher than Earth (5.76 gm/cm3, vs 5.52 for Earth)
- Gravity: slightly higher than Earth per Alpha Centauri: First Landing (1.028g)
Escape velocity is lower than Sawyers World, thus less than 11.42 km/sec (or net less than 11 km/sec)
- 11.35 km/sec, with a 0.48 km/sec equatorial rotation boost. The sidereal day is 23:03:10.08 long, about 05:40 less than the solar day.
Two moons, one about Luna sized, Mahina Nui (3300 km), and one about 460km (285mi) diameter, Mahina’uku.
Habitable zone is ~0.56 to ~1.10 AU, orbital period ~0.43 to ~1.20 Earth years. Kakuloa's distance and year about two-thirds of Earth's, but it's not at the inner edge of the HZ. Orbital period is 0.667 Earth years.
- Year is 5626.9 hours, = 234.45 Earth (24h) days, = 243.09 Kakula 'solar' days (244.09 sidereal days).
- Rounding to 243 gives alternate a leap year every 11 years.
- Calendar is 8 months of alternating 30 and 31 days (with one short month except in a leap year) -- although this doesn't match up with either moon (close to large moon).
- Orbital distance is ~0.7262 AU, so together with the star's luminosity of 0.5002 sol, it gets about 94.9% as much sunshine (per square meter) as Earth. The planet would thus be on average a tiny bit cooler, but this is offset by a higher humidity atmosphere (more surface water) which traps more heat.
- The solar day is 23:08:50.28 long. The time between 23:08:50.28 and 00:00:00 the next day is skipped.
Notes
- Tree squids
- Former thriving squidberry industry (see Stone Age, Reticuli)
- Orbiting shipyards (see Renee, Chara Talisman)
- Great surf beaches
- Hotel InterPlanetary, Parry's Restaurant