🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.78 AU - 0.94 AU

Year: 294 Days

Day: 27.2 Hours

Environment

Temp: 81 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,423,335 km

• M1: 458,966 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.22 AU - 1.32 AU

Year: 528 Days

Day: 26.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.01 AU - 2.43 AU

Year: 1220 Days

Day: 38.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 10.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.59 AU - 9.65 AU

Year: 9338 Days

Day: 5.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,423,335 km

• M1: 136,583 km (0.049 R)
• M2: 538,403 km (0.096 R)
• M3: 995,574 km (0.085 R)
• M4: 1,603,390 km (0.086 R)
• M5: 2,535,235 km (0.096 R)
• M6: 3,677,116 km (0.085 R)
• M7: 5,016,316 km (0.081 R)
• M8: 6,481,627 km (0.115 R)
• M9: 6,870,731 km (0.032 R)
• M10: 7,464,784 km (0.067 R)
• M11: 8,254,960 km (0.114 R)
• M12: 11,983,089 km (0.059 R)
• M13: 14,569,935 km (0.084 R)
• M14: 14,993,895 km (0.101 R)
• M15: 16,315,293 km (0.059 R)
• M16: 19,551,694 km (0.119 R)
• M17: 22,948,164 km (0.062 R)
• M18: 24,359,769 km (0.067 R)
• M19: 27,908,231 km (0.089 R)
• M20: 30,390,957 km (0.097 R)
• M21: 33,749,878 km (0.054 R)
• M22: 34,492,781 km (0.093 R)
• M23: 36,453,560 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639

Radius: 6.8

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 11.54 AU - 15.98 AU

Year: 18832 Days

Day: 20.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,423,335 km

• M1: 84,822 km (0.107 R)
• M2: 340,036 km (0.114 R)
• M3: 573,857 km (0.119 R)
• M4: 875,746 km (0.115 R)
• M5: 1,770,940 km (0.108 R)
• M6: 2,718,792 km (0.109 R)
• M7: 3,117,021 km (0.115 R)
• M8: 4,316,347 km (0.078 R)
• M9: 5,109,964 km (0.115 R)
• M10: 5,599,747 km (0.1 R)
• M11: 6,760,178 km (0.102 R)
• M12: 7,633,979 km (0.12 R)
• M13: 9,055,458 km (0.094 R)
• M14: 10,289,940 km (0.094 R)
• M15: 10,585,545 km (0.053 R)
• M16: 12,018,394 km (0.094 R)
• M17: 15,726,027 km (0.077 R)
• M18: 21,253,669 km (0.095 R)
• M19: 22,220,221 km (0.108 R)
• M20: 25,725,598 km (0.112 R)
• M21: 25,942,515 km (0.053 R)
• M22: 28,758,994 km (0.107 R)
• M23: 30,301,198 km (0.109 R)
• M24: 34,461,964 km (0.053 R)
• M25: 49,198,850 km (0.118 R)
• M26: 56,180,433 km (0.043 R)
• M27: 57,837,379 km (0.05 R)
• M28: 65,597,170 km (0.089 R)
• M29: 66,002,281 km (0.101 R)
• M30: 71,423,409 km (0.119 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: 365 - 14,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit