🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.56 AU - 0.6 AU

Year: 196 Days

Day: 23.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 22.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,895,835 km

• M1: 20,944 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.57 AU - 0.65 AU

Year: 211 Days

Day: 42.4 Hours

Environment

Temp: 20 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,895,835 km

• M1: 37,998 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.57 AU - 0.89 AU

Year: 276 Days

Day: 33.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.78 AU - 0.82 AU

Year: 317 Days

Day: 33.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.75 AU - 0.89 AU

Year: 329 Days

Day: 39.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,895,835 km

• M1: 517,609 km (0.057 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.66 AU - 2.06 AU

Year: 1124 Days

Day: 15 Hours

Environment

Temp: -126 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 12.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.58 AU - 4.02 AU

Year: 2655 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,895,835 km

• M1: 159,172 km (0.099 R)
• M2: 1,452,745 km (0.094 R)
• M3: 2,146,281 km (0.081 R)
• M4: 2,836,226 km (0.072 R)
• M5: 3,387,345 km (0.09 R)
• M6: 3,947,888 km (0.112 R)
• M7: 5,012,127 km (0.102 R)
• M8: 7,670,930 km (0.102 R)
• M9: 9,067,576 km (0.104 R)
• M10: 9,506,795 km (0.034 R)
• M11: 10,667,525 km (0.1 R)
• M12: 11,748,070 km (0.092 R)
• M13: 12,763,541 km (0.093 R)
• M14: 13,741,013 km (0.12 R)
• M15: 14,969,062 km (0.08 R)
• M16: 15,377,165 km (0.049 R)
• M17: 16,269,068 km (0.096 R)
• M18: 18,098,500 km (0.102 R)
• M19: 20,061,374 km (0.066 R)
• M20: 20,999,053 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.3

Radius: 13.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.18 AU - 4.46 AU

Year: 3977 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,895,835 km

• M1: 171,589 km (0.093 R)
• M2: 620,682 km (0.09 R)
• M3: 1,167,911 km (0.114 R)
• M4: 2,236,787 km (0.113 R)
• M5: 3,423,547 km (0.119 R)
• M6: 4,168,245 km (0.09 R)
• M7: 5,236,673 km (0.097 R)
• M8: 6,036,274 km (0.091 R)
• M9: 7,559,480 km (0.056 R)
• M10: 9,037,507 km (0.1 R)
• M11: 9,583,240 km (0.036 R)
• M12: 10,189,410 km (0.113 R)
• M13: 12,075,989 km (0.114 R)
• M14: 12,919,721 km (0.117 R)
• M15: 13,379,286 km (0.083 R)
• M16: 13,849,771 km (0.117 R)
• M17: 14,380,245 km (0.118 R)
• M18: 16,000,539 km (0.078 R)
• M19: 16,800,738 km (0.119 R)
• M20: 20,087,104 km (0.105 R)
• M21: 20,518,246 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.9

Radius: 7.7

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.27 AU - 15.61 AU

Year: 26872 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,895,835 km

• M1: 95,743 km (0.112 R)
• M2: 468,989 km (0.103 R)
• M3: 777,311 km (0.038 R)
• M4: 1,018,014 km (0.067 R)
• M5: 1,355,656 km (0.076 R)
• M6: 1,901,838 km (0.109 R)
• M7: 2,999,886 km (0.09 R)
• M8: 6,325,896 km (0.116 R)
• M9: 7,076,428 km (0.104 R)
• M10: 11,538,185 km (0.109 R)
• M11: 14,544,653 km (0.096 R)
• M12: 15,105,495 km (0.035 R)
• M13: 15,931,575 km (0.107 R)
• M14: 17,493,825 km (0.119 R)
• M15: 19,442,338 km (0.057 R)
• M16: 19,926,885 km (0.043 R)
• M17: 22,896,852 km (0.106 R)
• M18: 28,316,334 km (0.062 R)
• M19: 37,582,725 km (0.037 R)
• M20: 40,023,414 km (0.086 R)
• M21: 43,879,599 km (0.103 R)
• M22: 45,897,524 km (0.091 R)
• M23: 47,976,486 km (0.053 R)
• M24: 54,780,795 km (0.097 R)
• M25: 57,912,328 km (0.092 R)
• M26: 70,037,086 km (0.119 R)
• M27: 72,325,035 km (0.104 R)
• M28: 73,254,038 km (0.081 R)
• M29: 74,426,437 km (0.119 R)
• M30: 76,568,229 km (0.044 R)
• M31: 80,725,255 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 17,893 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit