🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 13.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 12.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,490,040 km

• M1: 167,849 km (0.112 R)
• M2: 601,832 km (0.091 R)
• M3: 1,025,045 km (0.073 R)
• M4: 1,803,253 km (0.092 R)
• M5: 2,399,251 km (0.082 R)
• M6: 2,921,198 km (0.101 R)
• M7: 3,945,943 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 11.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.91 AU

Year: 442 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,490,040 km

• M1: 149,149 km (0.108 R)
• M2: 558,898 km (0.11 R)
• M3: 1,051,374 km (0.092 R)
• M4: 1,870,273 km (0.099 R)
• M5: 2,379,354 km (0.096 R)
• M6: 2,971,163 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 14.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.32 AU - 5.53 AU

Year: 6197 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,490,040 km

• M1: 182,809 km (0.093 R)
• M2: 1,067,830 km (0.062 R)
• M3: 1,649,616 km (0.114 R)
• M4: 2,116,511 km (0.115 R)
• M5: 2,822,613 km (0.069 R)
• M6: 3,705,539 km (0.114 R)
• M7: 4,496,762 km (0.1 R)
• M8: 5,249,838 km (0.073 R)
• M9: 6,726,369 km (0.07 R)
• M10: 7,713,715 km (0.092 R)
• M11: 8,629,104 km (0.09 R)
• M12: 15,101,905 km (0.069 R)
• M13: 17,717,923 km (0.074 R)
• M14: 18,537,570 km (0.114 R)
• M15: 22,940,833 km (0.084 R)
• M16: 25,001,095 km (0.12 R)
• M17: 28,735,806 km (0.1 R)
• M18: 31,225,564 km (0.054 R)
• M19: 33,236,458 km (0.117 R)
• M20: 36,631,283 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 10.2

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.4 AU - 5.6 AU

Year: 6366 Days

Day: 12.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,490,040 km

• M1: 126,859 km (0.038 R)
• M2: 569,669 km (0.075 R)
• M3: 1,066,633 km (0.115 R)
• M4: 1,494,184 km (0.104 R)
• M5: 2,081,505 km (0.097 R)
• M6: 2,464,625 km (0.092 R)
• M7: 3,076,779 km (0.095 R)
• M8: 4,006,081 km (0.068 R)
• M9: 5,054,014 km (0.109 R)
• M10: 5,380,437 km (0.082 R)
• M11: 6,043,006 km (0.046 R)
• M12: 7,192,965 km (0.066 R)
• M13: 10,722,876 km (0.102 R)
• M14: 13,219,066 km (0.085 R)
• M15: 14,072,522 km (0.116 R)
• M16: 14,962,480 km (0.105 R)
• M17: 17,184,307 km (0.048 R)
• M18: 19,185,179 km (0.106 R)
• M19: 22,351,418 km (0.049 R)
• M20: 27,183,429 km (0.071 R)
• M21: 30,667,563 km (0.096 R)
• M22: 32,161,149 km (0.061 R)
• M23: 34,650,756 km (0.067 R)
• M24: 35,400,541 km (0.101 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: 238 - 12,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit