🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.6 AU - 0.94 AU

Year: 299 Days

Day: 24.9 Hours

Environment

Temp: -34 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,412,920 km

• M1: 43,832 km (0.12 R)
• M2: 150,495 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.75 AU - 0.81 AU

Year: 305 Days

Day: 16.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,412,920 km

• M1: 127,308 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.72 AU - 0.98 AU

Year: 347 Days

Day: 20.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,412,920 km

• M1: 274,063 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.95 AU - 1.31 AU

Year: 532 Days

Day: 46.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.95 AU - 1.37 AU

Year: 553 Days

Day: 26.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.11 AU - 1.31 AU

Year: 590 Days

Day: 42.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.55 AU - 2.53 AU

Year: 1291 Days

Day: 38 Hours

Environment

Temp: -131 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,412,920 km

• M1: 1,005,597 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 12

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.64 AU - 11.28 AU

Year: 12888 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,412,920 km

• M1: 150,346 km (0.079 R)
• M2: 679,474 km (0.059 R)
• M3: 1,534,874 km (0.079 R)
• M4: 3,713,169 km (0.117 R)
• M5: 4,875,993 km (0.096 R)
• M6: 6,468,911 km (0.06 R)
• M7: 7,362,459 km (0.075 R)
• M8: 8,531,267 km (0.101 R)
• M9: 10,653,313 km (0.055 R)
• M10: 12,021,834 km (0.091 R)
• M11: 14,185,468 km (0.093 R)
• M12: 17,458,670 km (0.09 R)
• M13: 19,185,628 km (0.101 R)
• M14: 20,134,377 km (0.115 R)
• M15: 22,406,769 km (0.082 R)
• M16: 29,106,809 km (0.053 R)
• M17: 29,899,678 km (0.098 R)
• M18: 32,727,377 km (0.119 R)
• M19: 36,246,517 km (0.112 R)
• M20: 41,986,587 km (0.105 R)
• M21: 43,290,781 km (0.078 R)
• M22: 44,323,904 km (0.031 R)
• M23: 45,373,184 km (0.068 R)
• M24: 47,055,561 km (0.074 R)
• M25: 56,095,462 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.2

Radius: 5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 11.65 AU - 15.19 AU

Year: 21775 Days

Day: 21 Hours

Environment

Temp: -216 °C

Axial Tilt: 110.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,412,920 km

• M1: 62,382 km (0.102 R)
• M2: 701,165 km (0.087 R)
• M3: 1,238,670 km (0.118 R)
• M4: 2,143,139 km (0.099 R)
• M5: 2,981,037 km (0.097 R)
• M6: 4,163,010 km (0.11 R)
• M7: 5,139,734 km (0.12 R)
• M8: 6,534,285 km (0.044 R)
• M9: 6,734,896 km (0.033 R)
• M10: 6,898,257 km (0.05 R)
• M11: 8,163,556 km (0.103 R)
• M12: 9,473,584 km (0.106 R)
• M13: 10,695,051 km (0.103 R)
• M14: 12,441,307 km (0.054 R)
• M15: 17,085,124 km (0.082 R)
• M16: 17,543,193 km (0.095 R)
• M17: 17,930,950 km (0.047 R)
• M18: 21,772,025 km (0.104 R)
• M19: 23,041,662 km (0.1 R)
• M20: 24,264,027 km (0.12 R)
• M21: 30,580,797 km (0.062 R)
• M22: 31,940,342 km (0.115 R)
• M23: 32,635,075 km (0.098 R)
• M24: 37,270,066 km (0.079 R)
• M25: 39,346,334 km (0.117 R)
• M26: 44,583,905 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 11,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit