🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 286 Days

Day: 15.2 Hours

Environment

Temp: 28 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.84 AU - 1.96 AU

Year: 1008 Days

Day: 30.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.3 AU - 3.44 AU

Year: 1872 Days

Day: 33.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 11.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.12 AU - 4.28 AU

Year: 3314 Days

Day: 12.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,049,001 km

• M1: 147,952 km (0.078 R)
• M2: 533,167 km (0.07 R)
• M3: 1,124,527 km (0.12 R)
• M4: 1,539,661 km (0.085 R)
• M5: 1,986,061 km (0.107 R)
• M6: 3,365,503 km (0.112 R)
• M7: 4,289,719 km (0.075 R)
• M8: 5,352,013 km (0.096 R)
• M9: 6,692,410 km (0.076 R)
• M10: 7,682,748 km (0.104 R)
• M11: 9,037,955 km (0.116 R)
• M12: 11,361,061 km (0.074 R)
• M13: 13,291,472 km (0.115 R)
• M14: 13,693,291 km (0.096 R)
• M15: 14,103,339 km (0.086 R)
• M16: 15,825,959 km (0.106 R)
• M17: 17,684,712 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.7

Radius: 3.6

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 18.13 AU - 19.05 AU

Year: 30859 Days

Day: 16.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,049,001 km

• M1: 44,730 km (0.071 R)
• M2: 170,841 km (0.1 R)
• M3: 354,248 km (0.058 R)
• M4: 1,369,419 km (0.119 R)
• M5: 2,090,032 km (0.109 R)
• M6: 2,816,180 km (0.108 R)
• M7: 2,935,559 km (0.1 R)
• M8: 3,210,370 km (0.104 R)
• M9: 3,986,933 km (0.1 R)
• M10: 5,522,256 km (0.079 R)
• M11: 5,672,003 km (0.069 R)
• M12: 6,544,458 km (0.102 R)
• M13: 6,839,764 km (0.074 R)
• M14: 7,232,608 km (0.118 R)
• M15: 7,732,864 km (0.042 R)
• M16: 8,062,876 km (0.079 R)
• M17: 11,529,508 km (0.081 R)
• M18: 15,060,466 km (0.07 R)
• M19: 17,029,773 km (0.118 R)
• M20: 20,562,826 km (0.101 R)
• M21: 23,659,053 km (0.12 R)
• M22: 24,153,773 km (0.071 R)
• M23: 31,108,279 km (0.06 R)
• M24: 32,182,092 km (0.108 R)
• M25: 33,034,202 km (0.116 R)
• M26: 34,783,300 km (0.105 R)
• M27: 38,737,172 km (0.092 R)
• M28: 42,108,061 km (0.1 R)
• M29: 43,273,727 km (0.11 R)
• M30: 51,709,850 km (0.117 R)
• M31: 62,860,128 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 10,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit