🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.47 AU - 0.57 AU

Year: 132 Days

Day: 29.4 Hours

Environment

Temp: 280 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.87 AU - 2.53 AU

Year: 1147 Days

Day: 12.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,837,975 km

• M1: 258,356 km (0.111 R)

Asteroid Belt

Center: 5.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 9.1

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.85 AU - 9.17 AU

Year: 7968 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,837,975 km

• M1: 113,096 km (0.071 R)
• M2: 405,709 km (0.111 R)
• M3: 743,801 km (0.113 R)
• M4: 1,111,063 km (0.095 R)
• M5: 1,612,366 km (0.094 R)
• M6: 2,819,022 km (0.058 R)
• M7: 3,309,254 km (0.067 R)
• M8: 3,805,620 km (0.071 R)
• M9: 5,993,489 km (0.116 R)
• M10: 6,586,794 km (0.099 R)
• M11: 7,530,009 km (0.042 R)
• M12: 8,733,972 km (0.113 R)
• M13: 10,798,872 km (0.091 R)
• M14: 12,161,559 km (0.111 R)
• M15: 12,491,572 km (0.093 R)
• M16: 13,342,933 km (0.095 R)
• M17: 14,293,329 km (0.12 R)
• M18: 17,693,987 km (0.097 R)
• M19: 23,666,383 km (0.088 R)
• M20: 25,771,824 km (0.113 R)
• M21: 26,225,704 km (0.079 R)
• M22: 26,777,271 km (0.064 R)
• M23: 29,356,039 km (0.079 R)
• M24: 30,150,703 km (0.115 R)
• M25: 30,959,878 km (0.085 R)
• M26: 31,991,355 km (0.107 R)
• M27: 32,515,696 km (0.119 R)
• M28: 34,122,975 km (0.085 R)
• M29: 37,495,360 km (0.091 R)
• M30: 37,844,372 km (0.038 R)
• M31: 39,742,470 km (0.065 R)
• M32: 40,715,005 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 13.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.33 AU - 9.11 AU

Year: 8283 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,837,975 km

• M1: 174,282 km (0.117 R)
• M2: 675,883 km (0.107 R)
• M3: 1,123,779 km (0.101 R)
• M4: 1,904,830 km (0.095 R)
• M5: 2,756,640 km (0.077 R)
• M6: 4,470,284 km (0.118 R)
• M7: 5,013,922 km (0.067 R)
• M8: 8,108,055 km (0.104 R)
• M9: 8,712,131 km (0.098 R)
• M10: 9,174,089 km (0.093 R)
• M11: 10,518,226 km (0.088 R)
• M12: 11,989,671 km (0.118 R)
• M13: 13,483,256 km (0.094 R)
• M14: 14,160,037 km (0.091 R)
• M15: 17,161,718 km (0.11 R)
• M16: 17,622,629 km (0.099 R)
• M17: 18,432,253 km (0.119 R)
• M18: 20,344,263 km (0.093 R)
• M19: 24,642,958 km (0.071 R)
• M20: 31,529,995 km (0.118 R)
• M21: 32,622,658 km (0.092 R)
• M22: 33,433,030 km (0.088 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 19,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit