🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.53 AU - 0.73 AU

Year: 186 Days

Day: 43.7 Hours

Environment

Temp: 206 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.82 AU - 1.02 AU

Year: 329 Days

Day: 23.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,796,480 km

• M1: 354,697 km (0.079 R)
• M2: 457,021 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.9 AU - 1.22 AU

Year: 407 Days

Day: 26.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.07 AU - 1.17 AU

Year: 442 Days

Day: 32.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.58 AU - 1.72 AU

Year: 790 Days

Day: 16.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.77 AU - 2.01 AU

Year: 969 Days

Day: 15.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 13.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.53 AU - 6.59 AU

Year: 5561 Days

Day: 6.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,796,480 km

• M1: 166,652 km (0.089 R)
• M2: 595,400 km (0.075 R)
• M3: 2,198,939 km (0.117 R)
• M4: 2,943,488 km (0.052 R)
• M5: 3,827,162 km (0.091 R)
• M6: 4,688,248 km (0.055 R)
• M7: 5,107,571 km (0.111 R)
• M8: 5,644,028 km (0.049 R)
• M9: 6,621,950 km (0.115 R)
• M10: 8,580,934 km (0.07 R)
• M11: 10,661,092 km (0.116 R)
• M12: 11,095,076 km (0.116 R)
• M13: 11,793,399 km (0.072 R)
• M14: 12,895,935 km (0.117 R)
• M15: 14,824,999 km (0.093 R)
• M16: 17,070,015 km (0.094 R)
• M17: 21,075,198 km (0.112 R)
• M18: 21,530,275 km (0.095 R)
• M19: 23,578,569 km (0.108 R)
• M20: 24,733,764 km (0.103 R)
• M21: 27,157,100 km (0.081 R)
• M22: 29,262,989 km (0.115 R)
• M23: 29,924,960 km (0.068 R)
• M24: 31,180,834 km (0.12 R)
• M25: 33,694,228 km (0.078 R)
• M26: 36,231,557 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 14.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.03 AU - 7.49 AU

Year: 5839 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,796,480 km

• M1: 180,415 km (0.117 R)
• M2: 1,016,069 km (0.053 R)
• M3: 2,106,787 km (0.097 R)
• M4: 3,001,083 km (0.102 R)
• M5: 3,569,106 km (0.069 R)
• M6: 5,340,046 km (0.101 R)
• M7: 10,091,723 km (0.102 R)
• M8: 11,617,621 km (0.082 R)
• M9: 12,614,392 km (0.083 R)
• M10: 14,327,287 km (0.039 R)
• M11: 16,129,942 km (0.111 R)
• M12: 20,041,776 km (0.073 R)
• M13: 22,142,130 km (0.114 R)
• M14: 23,752,252 km (0.027 R)
• M15: 27,118,803 km (0.059 R)
• M16: 28,782,032 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 9.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 9.34 AU - 14.28 AU

Year: 15130 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,796,480 km

• M1: 124,017 km (0.067 R)
• M2: 649,853 km (0.11 R)
• M3: 1,094,458 km (0.112 R)
• M4: 2,846,847 km (0.062 R)
• M5: 3,841,973 km (0.056 R)
• M6: 5,118,940 km (0.075 R)
• M7: 6,816,577 km (0.12 R)
• M8: 7,771,609 km (0.118 R)
• M9: 10,100,250 km (0.067 R)
• M10: 11,006,813 km (0.079 R)
• M11: 14,978,188 km (0.106 R)
• M12: 16,586,066 km (0.114 R)
• M13: 20,306,864 km (0.1 R)
• M14: 21,317,397 km (0.089 R)
• M15: 27,992,754 km (0.118 R)
• M16: 35,456,790 km (0.098 R)
• M17: 35,940,290 km (0.099 R)
• M18: 44,147,229 km (0.107 R)
• M19: 45,555,095 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 14,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit