🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.43 AU - 2.97 AU

Year: 1708 Days

Day: 38.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.1

Radius: 12.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.32 AU - 5.14 AU

Year: 3961 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,348,538 km

• M1: 159,172 km (0.111 R)
• M2: 1,054,515 km (0.115 R)
• M3: 1,659,938 km (0.048 R)
• M4: 2,058,317 km (0.11 R)
• M5: 3,622,213 km (0.114 R)
• M6: 4,372,596 km (0.102 R)
• M7: 5,121,633 km (0.085 R)
• M8: 7,096,624 km (0.037 R)
• M9: 8,097,434 km (0.067 R)
• M10: 8,559,392 km (0.119 R)
• M11: 10,133,012 km (0.112 R)
• M12: 12,867,960 km (0.066 R)
• M13: 13,646,767 km (0.08 R)
• M14: 15,138,407 km (0.038 R)
• M15: 15,731,712 km (0.089 R)
• M16: 17,370,706 km (0.086 R)
• M17: 19,183,085 km (0.108 R)
• M18: 22,202,418 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 10.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.61 AU - 6.21 AU

Year: 5532 Days

Day: 13 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,348,538 km

• M1: 125,662 km (0.069 R)
• M2: 455,974 km (0.057 R)
• M3: 832,811 km (0.06 R)
• M4: 1,217,577 km (0.067 R)
• M5: 1,757,326 km (0.076 R)
• M6: 2,512,197 km (0.084 R)
• M7: 2,955,605 km (0.077 R)
• M8: 3,568,059 km (0.047 R)
• M9: 4,130,397 km (0.119 R)
• M10: 8,824,629 km (0.058 R)
• M11: 13,568,078 km (0.077 R)
• M12: 15,146,934 km (0.116 R)
• M13: 17,015,711 km (0.082 R)
• M14: 17,769,385 km (0.025 R)
• M15: 23,538,327 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 13

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 10.08 AU - 12.84 AU

Year: 14936 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,348,538 km

• M1: 162,014 km (0.097 R)
• M2: 747,989 km (0.116 R)
• M3: 2,210,009 km (0.065 R)
• M4: 2,998,091 km (0.103 R)
• M5: 4,436,624 km (0.073 R)
• M6: 5,557,710 km (0.109 R)
• M7: 7,134,472 km (0.104 R)
• M8: 8,005,132 km (0.113 R)
• M9: 9,132,651 km (0.093 R)
• M10: 11,869,693 km (0.114 R)
• M11: 13,091,908 km (0.079 R)
• M12: 13,517,514 km (0.034 R)
• M13: 15,649,882 km (0.078 R)
• M14: 16,408,044 km (0.063 R)
• M15: 21,481,955 km (0.093 R)
• M16: 25,580,937 km (0.091 R)
• M17: 26,343,437 km (0.109 R)
• M18: 28,518,740 km (0.055 R)
• M19: 29,858,987 km (0.059 R)
• M20: 31,133,112 km (0.108 R)
• M21: 37,318,386 km (0.035 R)
• M22: 39,676,198 km (0.1 R)
• M23: 41,085,709 km (0.113 R)
• M24: 42,395,887 km (0.062 R)
• M25: 44,140,497 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 16,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit