🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.62 AU - 0.68 AU

Year: 185 Days

Day: 38.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.13 AU - 1.45 AU

Year: 517 Days

Day: 16.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.84 AU - 2.12 AU

Year: 984 Days

Day: 32.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.19 AU - 2.83 AU

Year: 1404 Days

Day: 37.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.92 AU - 3.28 AU

Year: 1927 Days

Day: 31 Hours

Environment

Temp: -97 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,074,454 km

• M1: 24,085 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.62 AU - 4.88 AU

Year: 3094 Days

Day: 33.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,074,454 km

• M1: 116,387 km (0.105 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 8.8

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.68 AU - 6 AU

Year: 4983 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,074,454 km

• M1: 110,403 km (0.101 R)
• M2: 385,663 km (0.102 R)
• M3: 856,298 km (0.102 R)
• M4: 1,633,160 km (0.092 R)
• M5: 1,954,795 km (0.116 R)
• M6: 2,383,842 km (0.111 R)
• M7: 2,674,361 km (0.105 R)
• M8: 3,026,963 km (0.109 R)
• M9: 3,849,153 km (0.105 R)
• M10: 4,154,183 km (0.08 R)
• M11: 6,241,971 km (0.116 R)
• M12: 6,731,007 km (0.109 R)
• M13: 8,198,861 km (0.055 R)
• M14: 9,611,663 km (0.115 R)
• M15: 11,369,438 km (0.039 R)
• M16: 11,852,639 km (0.086 R)
• M17: 12,148,993 km (0.094 R)
• M18: 12,756,809 km (0.109 R)
• M19: 16,713,673 km (0.049 R)
• M20: 18,901,990 km (0.031 R)
• M21: 19,787,011 km (0.074 R)
• M22: 21,202,207 km (0.109 R)
• M23: 21,786,686 km (0.075 R)
• M24: 25,933,988 km (0.102 R)
• M25: 26,602,690 km (0.114 R)
• M26: 27,540,669 km (0.075 R)
• M27: 29,033,356 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.8

Radius: 5.2

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 15.8 AU - 18.82 AU

Year: 25430 Days

Day: 16.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,074,454 km

• M1: 73,004 km (0.059 R)
• M2: 320,588 km (0.106 R)
• M3: 591,510 km (0.099 R)
• M4: 912,996 km (0.089 R)
• M5: 1,167,163 km (0.037 R)
• M6: 1,370,915 km (0.114 R)
• M7: 1,674,599 km (0.101 R)
• M8: 2,337,467 km (0.098 R)
• M9: 3,209,174 km (0.1 R)
• M10: 3,664,998 km (0.04 R)
• M11: 4,191,732 km (0.072 R)
• M12: 4,704,554 km (0.115 R)
• M13: 6,611,627 km (0.09 R)
• M14: 8,273,510 km (0.093 R)
• M15: 8,645,859 km (0.066 R)
• M16: 18,247,051 km (0.048 R)
• M17: 19,441,141 km (0.081 R)
• M18: 20,517,348 km (0.104 R)
• M19: 20,856,337 km (0.079 R)
• M20: 22,607,529 km (0.066 R)
• M21: 26,599,549 km (0.084 R)
• M22: 28,866,854 km (0.105 R)
• M23: 29,292,609 km (0.046 R)
• M24: 30,815,366 km (0.09 R)
• M25: 32,048,202 km (0.088 R)
• M26: 34,254,472 km (0.115 R)
• M27: 35,943,581 km (0.071 R)
• M28: 42,155,633 km (0.066 R)
• M29: 44,375,366 km (0.036 R)
• M30: 45,513,955 km (0.096 R)
• M31: 50,263,089 km (0.081 R)
• M32: 50,570,513 km (0.084 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 10,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit