🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.45 AU - 0.67 AU

Year: 148 Days

Day: 27.6 Hours

Environment

Temp: 222 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.56 AU - 0.68 AU

Year: 172 Days

Day: 26.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.75 AU

Year: 177 Days

Day: 26.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,103,562 km

• M1: 104,719 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.32 AU - 2.54 AU

Year: 1338 Days

Day: 19.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.89 AU - 3.37 AU

Year: 1955 Days

Day: 44.8 Hours

Environment

Temp: -90 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.81 AU - 5.39 AU

Year: 4067 Days

Day: 30.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,103,562 km

• M1: 3,587,656 km (0.106 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 14.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.8 AU - 8.46 AU

Year: 8185 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 140.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,103,562 km

• M1: 185,801 km (0.071 R)
• M2: 659,727 km (0.112 R)
• M3: 1,250,339 km (0.12 R)
• M4: 1,869,525 km (0.1 R)
• M5: 2,637,111 km (0.104 R)
• M6: 3,177,309 km (0.081 R)
• M7: 3,933,227 km (0.117 R)
• M8: 4,510,825 km (0.108 R)
• M9: 5,261,208 km (0.092 R)
• M10: 6,730,857 km (0.097 R)
• M11: 7,866,454 km (0.085 R)
• M12: 8,956,425 km (0.111 R)
• M13: 11,737,599 km (0.118 R)
• M14: 12,942,609 km (0.076 R)
• M15: 15,721,390 km (0.119 R)
• M16: 16,474,017 km (0.11 R)
• M17: 17,448,497 km (0.107 R)
• M18: 18,119,294 km (0.103 R)
• M19: 19,584,007 km (0.093 R)
• M20: 21,429,147 km (0.049 R)
• M21: 25,463,054 km (0.082 R)
• M22: 26,152,401 km (0.116 R)
• M23: 32,424,142 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 8.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.41 AU - 9.61 AU

Year: 10355 Days

Day: 10.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,103,562 km

• M1: 106,962 km (0.056 R)
• M2: 778,358 km (0.11 R)
• M3: 1,852,470 km (0.079 R)
• M4: 2,298,422 km (0.038 R)
• M5: 2,814,534 km (0.097 R)
• M6: 4,272,814 km (0.058 R)
• M7: 4,834,854 km (0.086 R)
• M8: 5,247,145 km (0.083 R)
• M9: 5,580,001 km (0.079 R)
• M10: 5,962,522 km (0.066 R)
• M11: 9,102,282 km (0.117 R)
• M12: 12,485,139 km (0.073 R)
• M13: 15,111,779 km (0.088 R)
• M14: 15,650,780 km (0.116 R)
• M15: 19,789,704 km (0.067 R)
• M16: 20,191,374 km (0.078 R)
• M17: 20,680,559 km (0.084 R)
• M18: 21,094,197 km (0.075 R)
• M19: 23,334,874 km (0.08 R)
• M20: 31,652,965 km (0.031 R)
• M21: 36,348,991 km (0.084 R)
• M22: 39,682,930 km (0.047 R)
• M23: 41,097,826 km (0.097 R)
• M24: 48,533,888 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 13.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.32 AU - 12.02 AU

Year: 11452 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,103,562 km

• M1: 173,534 km (0.103 R)
• M2: 811,868 km (0.116 R)
• M3: 1,261,858 km (0.077 R)
• M4: 1,974,393 km (0.083 R)
• M5: 2,766,962 km (0.101 R)
• M6: 3,983,941 km (0.092 R)
• M7: 5,164,268 km (0.099 R)
• M8: 5,722,867 km (0.085 R)
• M9: 6,495,540 km (0.08 R)
• M10: 7,185,335 km (0.114 R)
• M11: 8,004,234 km (0.114 R)
• M12: 9,968,454 km (0.118 R)
• M13: 10,591,529 km (0.116 R)
• M14: 13,063,634 km (0.096 R)
• M15: 14,585,643 km (0.045 R)
• M16: 17,632,353 km (0.118 R)
• M17: 21,709,643 km (0.099 R)
• M18: 26,106,324 km (0.025 R)
• M19: 27,757,287 km (0.092 R)
• M20: 35,280,713 km (0.092 R)
• M21: 35,833,178 km (0.065 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 11,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit