🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.45 AU - 0.61 AU

Year: 142 Days

Day: 23.5 Hours

Environment

Temp: 207 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.36 AU - 1.46 AU

Year: 618 Days

Day: 26.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,123,124 km

• M1: 414,386 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 13.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.63 AU - 11.09 AU

Year: 12303 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,123,124 km

• M1: 167,849 km (0.106 R)
• M2: 610,509 km (0.104 R)
• M3: 1,105,678 km (0.093 R)
• M4: 2,682,589 km (0.086 R)
• M5: 3,867,853 km (0.069 R)
• M6: 4,549,271 km (0.117 R)
• M7: 7,207,476 km (0.057 R)
• M8: 9,227,197 km (0.111 R)
• M9: 11,600,567 km (0.063 R)
• M10: 13,836,756 km (0.096 R)
• M11: 17,371,754 km (0.118 R)
• M12: 18,361,194 km (0.097 R)
• M13: 19,468,368 km (0.09 R)
• M14: 20,369,096 km (0.112 R)
• M15: 22,787,346 km (0.085 R)
• M16: 27,470,208 km (0.059 R)
• M17: 28,917,717 km (0.092 R)
• M18: 31,073,123 km (0.12 R)
• M19: 34,741,413 km (0.116 R)
• M20: 37,175,220 km (0.108 R)
• M21: 38,561,245 km (0.058 R)
• M22: 44,032,039 km (0.034 R)
• M23: 47,610,121 km (0.087 R)
• M24: 50,761,849 km (0.067 R)
• M25: 52,154,306 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.7

Radius: 6

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 15.46 AU - 18.98 AU

Year: 26365 Days

Day: 21.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,123,124 km

• M1: 74,649 km (0.09 R)
• M2: 297,550 km (0.1 R)
• M3: 506,538 km (0.107 R)
• M4: 1,652,308 km (0.101 R)
• M5: 2,906,387 km (0.041 R)
• M6: 3,474,710 km (0.045 R)
• M7: 4,593,552 km (0.096 R)
• M8: 4,933,139 km (0.087 R)
• M9: 16,906,355 km (0.104 R)
• M10: 18,129,616 km (0.111 R)
• M11: 21,118,432 km (0.115 R)
• M12: 26,086,727 km (0.085 R)
• M13: 26,514,876 km (0.098 R)
• M14: 33,764,838 km (0.12 R)
• M15: 38,113,947 km (0.106 R)
• M16: 39,082,145 km (0.081 R)
• M17: 39,361,743 km (0.073 R)
• M18: 41,067,607 km (0.088 R)
• M19: 44,170,417 km (0.112 R)
• M20: 48,384,589 km (0.082 R)
• M21: 65,333,728 km (0.058 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit