🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.48 AU - 0.52 AU

Year: 130 Days

Day: 23.2 Hours

Environment

Temp: 201 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,318,644 km

• M1: 27,526 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.6 AU - 0.98 AU

Year: 258 Days

Day: 30.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,318,644 km

• M1: 46,675 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.94 AU - 1.36 AU

Year: 453 Days

Day: 40.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 58,318,644 km

• M1: 528,828 km (0.067 R)
• M2: 883,525 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.24 AU - 2.34 AU

Year: 1272 Days

Day: 16 Hours

Environment

Temp: -79 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.93 AU - 2.69 AU

Year: 1289 Days

Day: 34.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.97 AU - 4.95 AU

Year: 2893 Days

Day: 25.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,318,644 km

• M1: 121,324 km (0.077 R)

Asteroid Belt

Center: 6.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.3

Radius: 10.3

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.21 AU - 9.47 AU

Year: 8841 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,318,644 km

• M1: 128,205 km (0.095 R)
• M2: 463,305 km (0.067 R)
• M3: 913,445 km (0.03 R)
• M4: 1,514,230 km (0.08 R)
• M5: 2,099,606 km (0.101 R)
• M6: 2,455,200 km (0.106 R)
• M7: 2,830,242 km (0.084 R)
• M8: 4,556,901 km (0.11 R)
• M9: 6,019,370 km (0.113 R)
• M10: 6,820,017 km (0.107 R)
• M11: 7,445,785 km (0.036 R)
• M12: 8,195,121 km (0.072 R)
• M13: 8,993,824 km (0.097 R)
• M14: 10,089,030 km (0.087 R)
• M15: 11,978,302 km (0.109 R)
• M16: 12,314,747 km (0.109 R)
• M17: 14,467,760 km (0.032 R)
• M18: 16,171,081 km (0.083 R)
• M19: 18,520,665 km (0.119 R)
• M20: 20,685,346 km (0.1 R)
• M21: 23,621,953 km (0.084 R)
• M22: 24,961,602 km (0.098 R)
• M23: 27,987,667 km (0.099 R)
• M24: 30,515,871 km (0.116 R)
• M25: 31,462,227 km (0.109 R)
• M26: 32,645,098 km (0.036 R)
• M27: 35,328,734 km (0.117 R)
• M28: 38,035,259 km (0.101 R)
• M29: 44,927,532 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.4

Radius: 6.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 11.85 AU - 16.71 AU

Year: 19809 Days

Day: 22.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,318,644 km

• M1: 85,869 km (0.09 R)
• M2: 371,900 km (0.041 R)
• M3: 841,488 km (0.115 R)
• M4: 1,448,107 km (0.092 R)
• M5: 1,871,469 km (0.108 R)
• M6: 2,780,127 km (0.108 R)
• M7: 3,132,131 km (0.035 R)
• M8: 3,434,917 km (0.037 R)
• M9: 3,784,826 km (0.068 R)
• M10: 4,128,752 km (0.095 R)
• M11: 4,846,073 km (0.094 R)
• M12: 6,326,793 km (0.11 R)
• M13: 7,021,077 km (0.09 R)
• M14: 7,277,936 km (0.067 R)
• M15: 7,855,983 km (0.078 R)
• M16: 8,560,589 km (0.042 R)
• M17: 11,565,711 km (0.108 R)
• M18: 12,476,313 km (0.096 R)
• M19: 12,853,748 km (0.097 R)
• M20: 14,302,753 km (0.096 R)
• M21: 16,004,279 km (0.095 R)
• M22: 17,600,040 km (0.086 R)
• M23: 18,476,983 km (0.048 R)
• M24: 19,974,158 km (0.114 R)
• M25: 23,397,257 km (0.114 R)
• M26: 24,261,783 km (0.044 R)
• M27: 28,687,935 km (0.096 R)
• M28: 30,690,602 km (0.109 R)
• M29: 31,033,181 km (0.092 R)
• M30: 33,866,265 km (0.048 R)
• M31: 40,313,485 km (0.104 R)
• M32: 44,113,271 km (0.11 R)
• M33: 44,842,111 km (0.083 R)
• M34: 50,013,111 km (0.072 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 20,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit