🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.68 AU - 0.86 AU

Year: 237 Days

Day: 12.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.77 AU - 1.11 AU

Year: 320 Days

Day: 12.8 Hours

Environment

Temp: 158 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 50,225,966 km

• M1: 30,967 km (0.113 R)
• M2: 235,766 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.49 AU - 1.65 AU

Year: 691 Days

Day: 26.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.61 AU - 1.69 AU

Year: 745 Days

Day: 43.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,225,966 km

• M1: 758,012 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.62 AU - 1.9 AU

Year: 821 Days

Day: 32.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.42 AU - 6.9 AU

Year: 4733 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,225,966 km

• M1: 99,632 km (0.072 R)
• M2: 398,230 km (0.056 R)
• M3: 1,510,789 km (0.082 R)
• M4: 1,989,502 km (0.074 R)
• M5: 2,372,024 km (0.063 R)
• M6: 2,770,403 km (0.104 R)
• M7: 3,037,286 km (0.12 R)
• M8: 3,546,068 km (0.071 R)
• M9: 3,902,410 km (0.12 R)
• M10: 4,640,676 km (0.1 R)
• M11: 5,677,389 km (0.048 R)
• M12: 6,222,224 km (0.049 R)
• M13: 6,712,157 km (0.112 R)
• M14: 7,012,251 km (0.058 R)
• M15: 7,352,586 km (0.034 R)
• M16: 8,337,389 km (0.054 R)
• M17: 8,861,579 km (0.097 R)
• M18: 9,556,910 km (0.083 R)
• M19: 10,287,995 km (0.092 R)
• M20: 11,306,158 km (0.102 R)
• M21: 13,973,040 km (0.086 R)
• M22: 14,265,803 km (0.114 R)
• M23: 16,593,695 km (0.082 R)
• M24: 17,254,918 km (0.074 R)
• M25: 17,762,204 km (0.088 R)
• M26: 18,688,514 km (0.12 R)
• M27: 19,525,215 km (0.113 R)
• M28: 20,700,456 km (0.043 R)
• M29: 21,081,033 km (0.101 R)
• M30: 21,401,920 km (0.118 R)
• M31: 21,856,548 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 13.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.38 AU - 9.28 AU

Year: 7701 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,225,966 km

• M1: 171,439 km (0.12 R)
• M2: 669,450 km (0.118 R)
• M3: 1,140,235 km (0.091 R)
• M4: 1,927,868 km (0.114 R)
• M5: 2,835,328 km (0.041 R)
• M6: 3,398,864 km (0.079 R)
• M7: 5,904,030 km (0.093 R)
• M8: 6,757,635 km (0.104 R)
• M9: 9,364,228 km (0.12 R)
• M10: 12,581,031 km (0.086 R)
• M11: 13,935,790 km (0.085 R)
• M12: 16,083,117 km (0.037 R)
• M13: 16,735,065 km (0.1 R)
• M14: 18,301,953 km (0.11 R)
• M15: 19,521,475 km (0.106 R)
• M16: 21,412,542 km (0.099 R)
• M17: 24,091,839 km (0.083 R)
• M18: 27,630,428 km (0.067 R)
• M19: 29,234,266 km (0.094 R)
• M20: 30,010,081 km (0.116 R)
• M21: 31,704,426 km (0.025 R)
• M22: 33,251,568 km (0.118 R)
• M23: 34,203,758 km (0.086 R)
• M24: 38,310,220 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 14.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.65 AU - 9.73 AU

Year: 9792 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,225,966 km

• M1: 184,155 km (0.047 R)
• M2: 1,718,580 km (0.059 R)
• M3: 2,441,886 km (0.062 R)
• M4: 4,564,081 km (0.096 R)
• M5: 7,059,224 km (0.064 R)
• M6: 7,976,558 km (0.114 R)
• M7: 8,972,282 km (0.082 R)
• M8: 10,939,195 km (0.049 R)
• M9: 11,710,970 km (0.115 R)
• M10: 12,342,722 km (0.086 R)
• M11: 17,943,666 km (0.087 R)
• M12: 19,972,961 km (0.063 R)
• M13: 22,499,969 km (0.053 R)
• M14: 36,786,416 km (0.115 R)
• M15: 48,886,939 km (0.06 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit