🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 161 Days

Day: 28.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.1 AU - 2.16 AU

Year: 1135 Days

Day: 19.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.46 AU - 5.02 AU

Year: 3769 Days

Day: 21.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,312,138 km

• M1: 4,599,536 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.7

Radius: 15

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.12 AU - 10.02 AU

Year: 8373 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,312,138 km

• M1: 186,848 km (0.034 R)
• M2: 668,254 km (0.084 R)
• M3: 1,358,648 km (0.093 R)
• M4: 1,862,643 km (0.068 R)
• M5: 2,911,025 km (0.109 R)
• M6: 3,866,507 km (0.109 R)
• M7: 5,958,184 km (0.099 R)
• M8: 7,118,764 km (0.045 R)
• M9: 8,938,323 km (0.113 R)
• M10: 9,608,970 km (0.114 R)
• M11: 10,312,978 km (0.074 R)
• M12: 10,950,863 km (0.097 R)
• M13: 13,364,625 km (0.095 R)
• M14: 14,064,294 km (0.101 R)
• M15: 15,034,885 km (0.056 R)
• M16: 16,574,247 km (0.102 R)
• M17: 19,591,636 km (0.106 R)
• M18: 21,190,987 km (0.098 R)
• M19: 22,223,811 km (0.044 R)
• M20: 24,648,643 km (0.028 R)
• M21: 29,625,764 km (0.116 R)
• M22: 31,832,781 km (0.103 R)
• M23: 32,661,853 km (0.082 R)
• M24: 36,235,147 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 11.9

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.93 AU - 11.23 AU

Year: 9994 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,312,138 km

• M1: 147,952 km (0.116 R)
• M2: 1,333,067 km (0.094 R)
• M3: 3,784,078 km (0.109 R)
• M4: 5,531,980 km (0.056 R)
• M5: 7,727,478 km (0.117 R)
• M6: 9,277,162 km (0.098 R)
• M7: 9,897,395 km (0.059 R)
• M8: 10,735,293 km (0.065 R)
• M9: 13,815,663 km (0.078 R)
• M10: 14,624,987 km (0.109 R)
• M11: 16,593,845 km (0.061 R)
• M12: 22,357,252 km (0.089 R)
• M13: 25,471,132 km (0.115 R)
• M14: 26,074,759 km (0.091 R)
• M15: 26,687,811 km (0.054 R)
• M16: 29,049,663 km (0.06 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: 509 - 18,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit