🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.54 AU - 0.56 AU

Year: 150 Days

Day: 25.8 Hours

Environment

Temp: 239 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.51 AU - 0.63 AU

Year: 158 Days

Day: 33.4 Hours

Environment

Temp: 182 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,514,262 km

• M1: 63,130 km (0.102 R)
• M2: 182,509 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.35 AU - 1.89 AU

Year: 757 Days

Day: 29.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,514,262 km

• M1: 502,649 km (0.052 R)
• M2: 757,115 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.44 AU - 3.2 AU

Year: 1738 Days

Day: 43.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.37 AU - 4.81 AU

Year: 3610 Days

Day: 28.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,514,262 km

• M1: 900,130 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 13.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.01 AU - 6.23 AU

Year: 4891 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,514,262 km

• M1: 167,250 km (0.082 R)
• M2: 582,235 km (0.115 R)
• M3: 995,275 km (0.093 R)
• M4: 2,328,640 km (0.102 R)
• M5: 2,950,220 km (0.086 R)
• M6: 4,184,701 km (0.101 R)
• M7: 6,072,327 km (0.087 R)
• M8: 6,913,666 km (0.096 R)
• M9: 7,433,518 km (0.115 R)
• M10: 9,110,959 km (0.078 R)
• M11: 11,547,310 km (0.033 R)
• M12: 12,082,272 km (0.073 R)
• M13: 16,063,071 km (0.1 R)
• M14: 16,730,427 km (0.107 R)
• M15: 17,670,351 km (0.066 R)
• M16: 20,630,893 km (0.102 R)
• M17: 21,565,431 km (0.092 R)
• M18: 22,754,135 km (0.099 R)
• M19: 27,775,537 km (0.096 R)
• M20: 29,903,268 km (0.112 R)
• M21: 31,006,851 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 10.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.23 AU - 8.17 AU

Year: 7092 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,514,262 km

• M1: 137,331 km (0.111 R)
• M2: 506,688 km (0.109 R)
• M3: 844,929 km (0.11 R)
• M4: 1,187,807 km (0.103 R)
• M5: 1,560,755 km (0.115 R)
• M6: 2,154,658 km (0.105 R)
• M7: 2,550,494 km (0.094 R)
• M8: 3,056,434 km (0.085 R)
• M9: 3,794,101 km (0.029 R)
• M10: 4,455,623 km (0.105 R)
• M11: 4,899,779 km (0.092 R)
• M12: 6,174,652 km (0.118 R)
• M13: 7,201,641 km (0.093 R)
• M14: 7,697,409 km (0.118 R)
• M15: 10,769,252 km (0.104 R)
• M16: 11,674,917 km (0.105 R)
• M17: 12,521,940 km (0.096 R)
• M18: 13,868,471 km (0.114 R)
• M19: 14,697,392 km (0.115 R)
• M20: 15,371,480 km (0.049 R)
• M21: 21,527,283 km (0.069 R)
• M22: 22,316,711 km (0.102 R)
• M23: 25,406,356 km (0.075 R)
• M24: 28,205,631 km (0.072 R)
• M25: 31,104,539 km (0.072 R)
• M26: 31,707,119 km (0.117 R)
• M27: 32,729,022 km (0.081 R)
• M28: 33,352,546 km (0.065 R)
• M29: 34,516,268 km (0.069 R)
• M30: 36,701,145 km (0.049 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 16,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit