🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.55 AU - 0.65 AU

Year: 171 Days

Day: 23.6 Hours

Environment

Temp: 183 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,457,273 km

• M1: 22,290 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.9 AU - 0.96 AU

Year: 331 Days

Day: 42.4 Hours

Environment

Temp: 44 °C

Axial Tilt: 65.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,457,273 km

• M1: 289,173 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.88 AU - 1.02 AU

Year: 342 Days

Day: 43.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 89,457,273 km

• M1: 28,723 km (0.087 R)
• M2: 45,328 km (0.046 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.02 AU - 1.06 AU

Year: 391 Days

Day: 47.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.99 AU - 1.23 AU

Year: 431 Days

Day: 47.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 130.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.98 AU - 1.56 AU

Year: 528 Days

Day: 43.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.5 AU - 1.86 AU

Year: 803 Days

Day: 13.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.14 AU - 2.54 AU

Year: 1321 Days

Day: 29.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.47 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.1

Radius: 3.8

Gravity: 30.13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 14.95 AU - 18.23 AU

Year: 24931 Days

Day: 21.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,457,273 km

• M1: 50,863 km (0.084 R)
• M2: 481,556 km (0.062 R)
• M3: 820,844 km (0.09 R)
• M4: 1,029,832 km (0.071 R)
• M5: 1,709,305 km (0.092 R)
• M6: 1,837,062 km (0.103 R)
• M7: 4,538,351 km (0.106 R)
• M8: 5,696,687 km (0.032 R)
• M9: 5,941,728 km (0.052 R)
• M10: 8,792,016 km (0.104 R)
• M11: 13,414,740 km (0.111 R)
• M12: 14,972,802 km (0.03 R)
• M13: 17,316,851 km (0.05 R)
• M14: 19,987,622 km (0.119 R)
• M15: 20,935,474 km (0.072 R)
• M16: 21,813,913 km (0.106 R)
• M17: 22,716,586 km (0.078 R)
• M18: 23,125,587 km (0.107 R)
• M19: 24,595,984 km (0.027 R)
• M20: 30,976,633 km (0.092 R)
• M21: 36,811,698 km (0.091 R)
• M22: 49,048,654 km (0.118 R)
• M23: 51,818,309 km (0.05 R)
• M24: 52,704,826 km (0.09 R)
• M25: 62,931,785 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.8

Radius: 4.5

Gravity: 34.56 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.59 AU - 20.85 AU

Year: 25225 Days

Day: 24.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,457,273 km

• M1: 56,398 km (0.094 R)
• M2: 218,263 km (0.105 R)
• M3: 472,280 km (0.098 R)
• M4: 4,695,428 km (0.045 R)
• M5: 5,734,834 km (0.066 R)
• M6: 8,311,807 km (0.104 R)
• M7: 9,337,899 km (0.081 R)
• M8: 10,703,279 km (0.088 R)
• M9: 11,298,379 km (0.088 R)
• M10: 12,772,068 km (0.11 R)
• M11: 17,499,211 km (0.041 R)
• M12: 17,862,584 km (0.054 R)
• M13: 18,983,072 km (0.11 R)
• M14: 19,853,433 km (0.102 R)
• M15: 22,198,230 km (0.075 R)
• M16: 24,835,191 km (0.059 R)
• M17: 31,515,933 km (0.099 R)
• M18: 32,324,809 km (0.101 R)
• M19: 32,597,526 km (0.12 R)
• M20: 33,285,975 km (0.119 R)
• M21: 34,691,896 km (0.103 R)
• M22: 39,456,139 km (0.113 R)
• M23: 43,468,204 km (0.112 R)
• M24: 47,216,379 km (0.1 R)
• M25: 52,855,471 km (0.098 R)
• M26: 57,717,402 km (0.105 R)
• M27: 64,579,905 km (0.113 R)
• M28: 69,899,007 km (0.097 R)
• M29: 70,583,716 km (0.086 R)
• M30: 73,367,284 km (0.091 R)
• M31: 74,311,246 km (0.045 R)
• M32: 88,123,019 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 12,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit