🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.4 AU - 0.62 AU

Year: 136 Days

Day: 42.5 Hours

Environment

Temp: 245 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,900,934 km

• M1: 86,916 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.02 AU - 1.18 AU

Year: 432 Days

Day: 44.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,900,934 km

• M1: 432,338 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.09 AU - 2.85 AU

Year: 1455 Days

Day: 34.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 9.1

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.4 AU - 4.6 AU

Year: 3577 Days

Day: 6.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,900,934 km

• M1: 118,482 km (0.066 R)
• M2: 620,532 km (0.109 R)
• M3: 991,385 km (0.069 R)
• M4: 1,362,388 km (0.093 R)
• M5: 1,825,244 km (0.087 R)
• M6: 2,143,139 km (0.1 R)
• M7: 2,806,606 km (0.113 R)
• M8: 3,158,909 km (0.096 R)
• M9: 3,847,358 km (0.098 R)
• M10: 4,561,089 km (0.108 R)
• M11: 5,126,719 km (0.082 R)
• M12: 5,793,776 km (0.077 R)
• M13: 6,279,670 km (0.116 R)
• M14: 6,917,106 km (0.039 R)
• M15: 7,365,451 km (0.111 R)
• M16: 7,970,575 km (0.118 R)
• M17: 8,754,467 km (0.108 R)
• M18: 10,065,992 km (0.092 R)
• M19: 11,951,673 km (0.088 R)
• M20: 17,323,284 km (0.075 R)
• M21: 18,091,170 km (0.104 R)
• M22: 20,013,652 km (0.114 R)
• M23: 20,859,030 km (0.119 R)
• M24: 24,041,874 km (0.104 R)
• M25: 24,479,597 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.6

Radius: 8.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.39 AU - 5.23 AU

Year: 3953 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,900,934 km

• M1: 109,506 km (0.095 R)
• M2: 496,665 km (0.067 R)
• M3: 836,850 km (0.102 R)
• M4: 1,226,104 km (0.094 R)
• M5: 1,770,940 km (0.087 R)
• M6: 2,227,961 km (0.096 R)
• M7: 2,678,400 km (0.079 R)
• M8: 3,699,555 km (0.094 R)
• M9: 4,018,648 km (0.109 R)
• M10: 7,710,424 km (0.073 R)
• M11: 8,816,850 km (0.093 R)
• M12: 14,209,105 km (0.06 R)
• M13: 15,263,471 km (0.094 R)
• M14: 16,312,750 km (0.078 R)
• M15: 21,874,649 km (0.097 R)
• M16: 23,783,668 km (0.025 R)
• M17: 25,267,529 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 9.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.65 AU - 9.35 AU

Year: 10118 Days

Day: 7.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,900,934 km

• M1: 121,922 km (0.076 R)
• M2: 445,951 km (0.111 R)
• M3: 1,044,193 km (0.089 R)
• M4: 1,671,008 km (0.032 R)
• M5: 2,492,600 km (0.044 R)
• M6: 2,950,220 km (0.114 R)
• M7: 4,459,961 km (0.059 R)
• M8: 5,568,930 km (0.086 R)
• M9: 9,300,500 km (0.115 R)
• M10: 12,164,102 km (0.116 R)
• M11: 12,932,586 km (0.05 R)
• M12: 14,829,188 km (0.065 R)
• M13: 16,474,615 km (0.098 R)
• M14: 16,832,154 km (0.114 R)
• M15: 30,882,984 km (0.1 R)
• M16: 36,373,675 km (0.05 R)
• M17: 40,764,672 km (0.116 R)
• M18: 41,287,965 km (0.12 R)
• M19: 45,216,704 km (0.088 R)
• M20: 48,944,983 km (0.097 R)
• M21: 49,684,594 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.8

Radius: 5.3

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 18.8 AU - 19.22 AU

Year: 31060 Days

Day: 15.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,900,934 km

• M1: 67,618 km (0.118 R)
• M2: 233,073 km (0.085 R)
• M3: 776,563 km (0.092 R)
• M4: 988,393 km (0.082 R)
• M5: 2,914,167 km (0.098 R)
• M6: 6,696,150 km (0.067 R)
• M7: 7,446,084 km (0.064 R)
• M8: 8,460,358 km (0.066 R)
• M9: 8,727,689 km (0.103 R)
• M10: 10,390,769 km (0.104 R)
• M11: 11,136,963 km (0.119 R)
• M12: 11,785,470 km (0.111 R)
• M13: 12,945,153 km (0.064 R)
• M14: 13,808,332 km (0.108 R)
• M15: 15,174,011 km (0.058 R)
• M16: 18,616,109 km (0.09 R)
• M17: 20,184,343 km (0.089 R)
• M18: 21,838,447 km (0.11 R)
• M19: 23,059,016 km (0.12 R)
• M20: 28,876,279 km (0.096 R)
• M21: 35,186,466 km (0.067 R)
• M22: 41,125,053 km (0.039 R)
• M23: 47,194,687 km (0.114 R)
• M24: 50,792,067 km (0.078 R)
• M25: 51,497,421 km (0.088 R)
• M26: 60,873,019 km (0.093 R)
• M27: 65,960,244 km (0.108 R)
• M28: 70,446,684 km (0.068 R)
• M29: 71,103,868 km (0.068 R)
• M30: 73,099,653 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 18,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit