🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.55 AU - 0.71 AU

Year: 323 Days

Day: 16.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.77 AU - 0.87 AU

Year: 479 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,800,200 km

• M1: 113,545 km (0.108 R)
• M2: 400,773 km (0.069 R)
• M3: 743,352 km (0.089 R)
• M4: 1,120,189 km (0.102 R)
• M5: 1,501,813 km (0.032 R)
• M6: 1,878,500 km (0.095 R)
• M7: 2,491,852 km (0.117 R)
• M8: 2,978,494 km (0.119 R)
• M9: 3,341,268 km (0.1 R)
• M10: 3,694,170 km (0.076 R)
• M11: 4,212,975 km (0.09 R)
• M12: 5,636,249 km (0.118 R)
• M13: 6,419,245 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.2

Radius: 12.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.23 AU - 6.01 AU

Year: 7480 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,800,200 km

• M1: 163,211 km (0.115 R)
• M2: 569,220 km (0.043 R)
• M3: 1,075,160 km (0.063 R)
• M4: 1,910,215 km (0.099 R)
• M5: 2,321,011 km (0.08 R)
• M6: 2,791,197 km (0.078 R)
• M7: 3,879,671 km (0.078 R)
• M8: 5,436,387 km (0.118 R)
• M9: 5,954,145 km (0.085 R)
• M10: 6,405,033 km (0.092 R)
• M11: 8,283,832 km (0.084 R)
• M12: 8,805,929 km (0.12 R)
• M13: 10,230,849 km (0.1 R)
• M14: 13,976,779 km (0.04 R)
• M15: 15,128,085 km (0.105 R)
• M16: 17,293,514 km (0.078 R)
• M17: 18,014,875 km (0.074 R)
• M18: 19,447,574 km (0.11 R)
• M19: 19,870,636 km (0.069 R)
• M20: 20,371,789 km (0.115 R)
• M21: 22,154,697 km (0.112 R)
• M22: 26,114,104 km (0.097 R)
• M23: 27,503,120 km (0.116 R)
• M24: 29,585,073 km (0.111 R)
• M25: 31,286,151 km (0.078 R)
• M26: 32,951,923 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 10.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.29 AU - 5.61 AU

Year: 8215 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,800,200 km

• M1: 133,142 km (0.064 R)
• M2: 537,356 km (0.086 R)
• M3: 937,231 km (0.072 R)
• M4: 1,421,629 km (0.079 R)
• M5: 2,453,405 km (0.052 R)
• M6: 3,787,070 km (0.076 R)
• M7: 4,894,244 km (0.099 R)
• M8: 5,857,505 km (0.095 R)
• M9: 6,701,985 km (0.096 R)
• M10: 7,224,829 km (0.064 R)
• M11: 8,195,719 km (0.093 R)
• M12: 8,672,338 km (0.118 R)
• M13: 9,336,254 km (0.104 R)
• M14: 10,349,779 km (0.035 R)
• M15: 12,387,751 km (0.101 R)
• M16: 13,775,870 km (0.092 R)
• M17: 14,853,872 km (0.077 R)
• M18: 15,743,979 km (0.094 R)
• M19: 18,091,469 km (0.089 R)
• M20: 19,733,455 km (0.115 R)
• M21: 25,420,119 km (0.119 R)
• M22: 30,012,774 km (0.049 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: 412 - 10,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit