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Zeganas's solar system.
This is the solar system that Zeganas is located in, with 7 planets and a brown dwarf. 3 of the planets are proven to be habitable with breathable atmospheres.1 nakolna mass = 1.15 earth masses
1 nakolna radius = 1.08 earth radii
1 nakolna density = 0.913 earth density
1 nakolna zG (gravity) = 0.985 earth G
1 nakolna year = 0.877 earth years
1 nakolna year = 320.57997685(185 repeating forever) days
Star: Hunasai | Stats |
Mass | 1.95×10^23 kg (0.978x sun) |
Radius | 674,676 km |
Luminosity | 3.37E×10^23 watts (0.875x sun) |
Temperature | 5,698 K (0.99x sun) |
Metallicity | 2.1% |
Age | 5.5 billion years |
Description | The parent star is a G4V main sequence star currently halfway through its lifespan. It's a star with a substellar companion, Lonaiso. |
Planet 1: Hedera | Stats |
Orbit | 8,955,024 km (0.066 ZAU, 0.060 AU) |
Period | 5.41 days |
Radius | 2,733 km (0.4x nakolna, 0.43x earth) |
Mass | 3.61×10^23 kg (0.053x nakolna, 0.06x earth) |
Area | 93,861,854 km² |
Density | 4.22 g/cm³ (0.84x nakolna, 0.77x earth) |
Gravitational Acceleration | 3.22 m/s² (0.33x nakolna, 0.33x earth) |
Average Temperature | 1244° C (day) 121° C (night) |
Atmosphere | trace amounts of hydrogen, helium, and oxygen |
Description | A very hot and somewhat molten world, Hedera sits super close to the sun and is tidally locked to it, with the day side bearing extremely hot temperatures and the night side relatively cool but still seismically active and volcanic. |
Planet 2: Daolinu | Stats |
Orbit | 43,756,891 km (0.32 ZAU, 0.29 AU) |
Period | 58.4 days |
Radius | 5,312 km (0.77x nakolna, 0.83x earth) |
Mass | 3.06×10^24 kg (0.45x nakolna, 0.51x earth) |
Area | 354,589,602 km² |
Density | 4.87 g/cm³ (0.97x nakolna, 0.88x earth) |
Gravitational Acceleration | 7.24 m/s² (0.75x nakolna, 0.74x earth) |
Average Temperature | 949° C |
Atmosphere | 92 atmospheres (pressure), 95.8% carbon dioxide, 4.2% nitrogen |
Description | This planet has the hottest average surface temperature of any planet, despite being further from the sun than Hedera, its atmosphere is extremely dense and traps a lot of solar heat due to the large amounts of carbon dioxide. The surface has many lava flows. |
Planet 3: Dasnar | Stats |
Orbit | 105,316,375 km (0.77x ZAU, 0.70 AU) |
Period | 218 days |
Radius | 6,265 km (0.91x nakolna, 0.98x earth) |
Mass | 5.23×10^24 kg (0.76x nakolna, 0.88x earth) |
Area | 493,232,874 km² |
Density | 5.08 g/cm³ (1.01x nakolna, 0.92x earth) |
Gravitational Acceleration | 8.90 m/s² (0.92x nakolna, 0.91x earth) |
Average Temperature | 56° C |
Atmosphere | 770 torr, 75.18% nitrogen, 22.83% oxygen, 1% water vapor, 0.95% argon, 0.02% carbon dioxide, 0.02% other |
Description | A really hot desert world, prone to global dust storms and heat waves, there is bountiful vegetation near the southern polar region with a south pole ocean providing ample amounts of water, it can get very rainy and polar hurricanes can develop frequently. Currently there are 4 populated settlements on the planet. |
Planet 4: Nakolna | Stats |
Orbit | 136,137,065 km (0.91 AU) |
Period | 320.6 days |
Radius | 6,875 km (1.08x earth) |
Mass | 6.847×10^24 kg (1.15x earth) |
Area | 593,957,361 km² |
Density | 5.03 g/cm³ (0.91x earth) |
Gravitational Acceleration | 9.661 m/s² (0.985x earth) |
Average Temperature | 23° C |
Atmosphere | 778 torr, 72.47% nitrogen, 24.0% oxygen, 2.5% water vapor, 0.97% argon, 0.05% carbon dioxide, 0.01% other |
Description | The native planet of Zeganas. It's a warm planet with temperate zones at high lattitudes, but much of it has tropical characteristics, there is not much ice as the south pole is an ocean and the north pole is an archipelago, resulting in a lower albedo, more carbon dioxide, and a higher temperature. |
Nakolna Alpha Moon | Stats |
Orbit | 138,202 km |
Period | 5.54 days |
Radius | 812 km |
Mass | 6.75×10^21 kg |
Area | 8,285,561 km² |
Density | 3.01 g/cm³ |
Gravitational Acceleration | 0.683 m/s² |
Description | This moon is just big enough to cover the sun during an eclipse, and when an eclipse happens, there's a larger umbra cast on nakolna. |
Nakolna Beta Moon | Stats |
Orbit | 399,195 km |
Period | 27.125 days |
Radius | 2,232 km |
Mass | 1.82×10^23 kg |
Area | 62,603,447 km² |
Density | 3.91 g/cm³ |
Gravitational Acceleration | 2.44 m/s² |
Description | The outer and more massive moon which is also just big enough to cause total solar eclipses, there is a rare phenomenon where both moons can cause an eclipse. |
Planet 5: Masae | Stats |
Orbit | 170,542,770 km (1.25 ZAU, 1.14 AU) |
Period | 522.25 days |
Radius | 4,932 km (0.72x nakolna, 0.77x earth) |
Mass | 3.03×10^24 kg (0.44x nakolna, 0.51x earth) |
Area | 305,424,381 km² |
Density | 6.03 g/cm³ (1.2x nakolna, 1.09x earth) |
Gravitational Acceleration | 8.32 m/s² (0.86x nakolna, 0.85x earth) |
Average Temperature | -19° C |
Atmosphere | 689 torr, 73.84% nitrogen, 22.67% oxygen, 2.4% water vapor, 0.96% argon, 0.09% carbon dioxide, 0.04% other |
Description | Third habitable world, and very cold. Moderate temperatures can be found mainly along the equatorial regions and tundras are widespread. Without the ample carbon dioxide and current geological activity, it would likely be completely frozen. |
Planet 6: Pakanisa | Stats |
Orbit | 635,763,678 km |
Period | 3,235 days |
Radius | 51,645 km |
Mass | 5.24×10^26 kg |
Density | 908 kg/m³ |
Gravitational Acceleration | 13.1 m/s² |
Average Temperature | -164° C |
Description | The largest planet (excluding the brown dwarf Lonaiso), Pakanisa is a gas giant mostly made of hydrogen and helium, with bands of various clouds. |
Pakanisa Moon 1: Dunaraev | Stats |
Orbit | 402,137 km |
Period | 75.1 hours |
Radius | 5,455 km |
Mass | 2.14×10^24 kg |
Area | 373,937,805 km² |
Density | 3.15 g/cm³ |
Gravitational Acceleration | 4.80 m/s² |
Description | The largest moon in the system, Dunaraev is an icy, geologically active world that gets a lot of tidal heating from Pakanisa, so it's speculated that there's a massive liquid ocean underneath the icy surface, it's bigger than 3 planets in the system. |
Pakanisa Moon 2: Dorona | Stats |
Orbit | 834,549 km |
Period | 225 hours |
Radius | 2,866 km |
Mass | 1.88×10^23 kg |
Area | 103,219,615 km² |
Density | 1.91 g/cm³ |
Gravitational Acceleration | 1.53 m/s² |
Description | Another icy moon of Pakanisa, Dorona is thought to also have an ocean underneath its surface due to the tidal actions of Pakanisa, Dunaraev, |
Pakanisa Moon 3: Eruntaji | Stats |
Orbit | 1,325,836 km |
Period | 451 hours |
Radius | 1,854 km |
Mass | 6.3×10^22 kg |
Area | 43,194,587 km² |
Density | 2.36 g/cm³ |
Gravitational Acceleration | 1.22 m/s² |
Description | An icy moon that may also be rocky, Eruntaji is the smallest of the 3 big moons of Pakanisa. |
Planet 7: Asakona | Stats |
Orbit | 1,007,461,463 km |
Period | 6,454 days |
Radius | 25,301 km |
Mass | 1.07×10^26 kg |
Density | 1.57 g/cm³ |
Gravitational Acceleration | 11.1 m/s² |
Average Temperature | -168° C |
Description | An ice giant planet, meaning that it has mostly elements heavier than hydrogen and helium, with much of the materials in it being ammonia, methane, and water. |
Asakona Moon: Nayamoro | Stats |
Orbit | 688,174 km |
Period | 373 hours |
Radius | 2,566 km |
Mass | 1.97×10^23 kg |
Area | 82,741,458 km² |
Density | 2.78 g/cm³ |
Gravitational Acceleration | 1.99 m/s² |
Description | The largest moon of Asakona by far, an icy moon that may have a liquid ocean under the surface. |
Brown Dwarf: Lonaiso | Stats |
Orbit | 19,178,447,024 km |
Period | 1658 nakolna years |
Radius | 251,133 km |
Mass | 3.3×10^28 kg |
Density | 498 kg/m³ |
Gravitational Acceleration | 35.0 m/s² |
Luminosity | 1.21×10^19 watts |
Temperature | 2,154 K |
Metallicity | 3.4% |
Description | The brown dwarf, Lonaiso is thought to have some satellites around it, 3 large ones have been observed so far. |
