🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.87 AU - 0.99 AU

Year: 336 Days

Day: 12.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.39 AU - 1.77 AU

Year: 744 Days

Day: 31.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,312,558 km

• M1: 527,332 km (0.105 R)
• M2: 725,849 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.37 AU - 2.57 AU

Year: 1455 Days

Day: 39.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.72 AU - 2.92 AU

Year: 1775 Days

Day: 12.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.63 AU - 3.53 AU

Year: 2026 Days

Day: 25.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.43 AU - 3.85 AU

Year: 2602 Days

Day: 38.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 9.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.36 AU - 6.78 AU

Year: 4926 Days

Day: 5.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,312,558 km

• M1: 119,379 km (0.099 R)
• M2: 643,420 km (0.078 R)
• M3: 1,323,792 km (0.052 R)
• M4: 1,655,600 km (0.11 R)
• M5: 2,043,507 km (0.118 R)
• M6: 3,627,748 km (0.031 R)
• M7: 4,501,101 km (0.119 R)
• M8: 5,078,549 km (0.086 R)
• M9: 5,648,217 km (0.092 R)
• M10: 6,021,763 km (0.085 R)
• M11: 7,012,101 km (0.12 R)
• M12: 7,580,722 km (0.093 R)
• M13: 8,107,606 km (0.117 R)
• M14: 9,234,677 km (0.116 R)
• M15: 9,552,123 km (0.102 R)
• M16: 10,634,763 km (0.091 R)
• M17: 11,658,910 km (0.095 R)
• M18: 14,005,951 km (0.091 R)
• M19: 14,531,937 km (0.093 R)
• M20: 14,907,877 km (0.081 R)
• M21: 16,419,264 km (0.119 R)
• M22: 17,421,719 km (0.118 R)
• M23: 18,215,486 km (0.089 R)
• M24: 18,527,098 km (0.095 R)
• M25: 22,407,367 km (0.098 R)
• M26: 22,981,823 km (0.057 R)
• M27: 24,160,355 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 9.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.53 AU - 6.77 AU

Year: 5033 Days

Day: 8.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,312,558 km

• M1: 121,025 km (0.091 R)
• M2: 461,360 km (0.097 R)
• M3: 1,139,786 km (0.119 R)
• M4: 1,516,174 km (0.071 R)
• M5: 1,837,062 km (0.113 R)
• M6: 3,016,641 km (0.103 R)
• M7: 3,416,067 km (0.105 R)
• M8: 3,954,321 km (0.09 R)
• M9: 4,548,224 km (0.098 R)
• M10: 5,225,753 km (0.116 R)
• M11: 6,052,879 km (0.103 R)
• M12: 6,453,951 km (0.091 R)
• M13: 6,872,676 km (0.042 R)
• M14: 7,182,792 km (0.119 R)
• M15: 8,412,786 km (0.094 R)
• M16: 10,615,615 km (0.096 R)
• M17: 11,938,359 km (0.094 R)
• M18: 12,708,938 km (0.103 R)
• M19: 15,115,518 km (0.112 R)
• M20: 16,897,977 km (0.089 R)
• M21: 17,752,929 km (0.118 R)
• M22: 21,331,310 km (0.04 R)
• M23: 22,805,896 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.5

Radius: 9.3

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.72 AU - 9.5 AU

Year: 7867 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,312,558 km

• M1: 116,986 km (0.107 R)
• M2: 519,105 km (0.075 R)
• M3: 1,014,872 km (0.086 R)
• M4: 1,550,432 km (0.088 R)
• M5: 1,962,275 km (0.047 R)
• M6: 2,677,353 km (0.076 R)
• M7: 3,829,406 km (0.119 R)
• M8: 4,417,625 km (0.115 R)
• M9: 4,763,196 km (0.059 R)
• M10: 7,349,295 km (0.062 R)
• M11: 8,257,653 km (0.114 R)
• M12: 8,694,479 km (0.084 R)
• M13: 9,757,970 km (0.102 R)
• M14: 11,432,120 km (0.033 R)
• M15: 14,634,711 km (0.105 R)
• M16: 16,888,552 km (0.063 R)
• M17: 20,214,562 km (0.083 R)
• M18: 21,989,241 km (0.108 R)
• M19: 25,846,323 km (0.043 R)
• M20: 26,971,748 km (0.058 R)
• M21: 29,521,494 km (0.041 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: 401 - 19,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit