🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.46 AU - 1.52 AU

Year: 685 Days

Day: 25.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.97 AU - 4.87 AU

Year: 2924 Days

Day: 28.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 9.6

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.77 AU - 12.15 AU

Year: 14615 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 103,189,591 km

• M1: 122,072 km (0.113 R)
• M2: 457,470 km (0.111 R)
• M3: 920,625 km (0.104 R)
• M4: 1,768,247 km (0.082 R)
• M5: 2,075,521 km (0.098 R)
• M6: 2,527,007 km (0.106 R)
• M7: 2,895,616 km (0.034 R)
• M8: 3,247,471 km (0.101 R)
• M9: 5,128,215 km (0.086 R)
• M10: 5,957,286 km (0.119 R)
• M11: 7,832,197 km (0.072 R)
• M12: 14,217,333 km (0.039 R)
• M13: 17,185,803 km (0.102 R)
• M14: 18,685,971 km (0.08 R)
• M15: 19,822,316 km (0.107 R)
• M16: 21,944,811 km (0.061 R)
• M17: 23,408,028 km (0.052 R)
• M18: 25,776,461 km (0.119 R)
• M19: 28,641,111 km (0.114 R)
• M20: 29,215,267 km (0.092 R)
• M21: 32,948,482 km (0.112 R)
• M22: 39,056,264 km (0.052 R)
• M23: 40,333,531 km (0.047 R)
• M24: 45,566,165 km (0.067 R)
• M25: 46,981,361 km (0.107 R)
• M26: 53,800,780 km (0.119 R)
• M27: 56,812,035 km (0.108 R)
• M28: 59,189,146 km (0.093 R)
• M29: 62,204,889 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.1

Radius: 5

Gravity: 32.48 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.84 AU - 21.36 AU

Year: 29010 Days

Day: 20.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 103,189,591 km

• M1: 203,154 km (0.09 R)
• M2: 663,616 km (0.068 R)
• M3: 826,827 km (0.107 R)
• M4: 1,268,440 km (0.079 R)
• M5: 1,487,751 km (0.116 R)
• M6: 2,160,492 km (0.075 R)
• M7: 3,409,934 km (0.071 R)
• M8: 5,159,930 km (0.028 R)
• M9: 5,810,830 km (0.089 R)
• M10: 6,862,354 km (0.094 R)
• M11: 7,486,476 km (0.055 R)
• M12: 7,702,645 km (0.055 R)
• M13: 10,769,252 km (0.065 R)
• M14: 11,682,397 km (0.084 R)
• M15: 12,419,166 km (0.035 R)
• M16: 14,815,126 km (0.117 R)
• M17: 18,270,238 km (0.044 R)
• M18: 19,565,606 km (0.064 R)
• M19: 21,134,888 km (0.073 R)
• M20: 24,167,686 km (0.072 R)
• M21: 25,848,866 km (0.114 R)
• M22: 32,345,902 km (0.038 R)
• M23: 35,891,671 km (0.082 R)
• M24: 38,075,201 km (0.119 R)
• M25: 39,687,866 km (0.045 R)
• M26: 41,010,461 km (0.107 R)
• M27: 51,684,269 km (0.06 R)
• M28: 62,727,135 km (0.041 R)
• M29: 65,428,424 km (0.106 R)
• M30: 66,345,908 km (0.053 R)
• M31: 79,064,120 km (0.069 R)
• M32: 84,629,311 km (0.041 R)
• M33: 85,718,084 km (0.096 R)
• M34: 86,266,061 km (0.072 R)
• M35: 97,720,321 km (0.116 R)
• M36: 99,219,741 km (0.11 R)
• M37: 100,430,137 km (0.042 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 15,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit