🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.65 AU - 0.69 AU

Year: 208 Days

Day: 25.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.68 AU - 0.94 AU

Year: 276 Days

Day: 30.1 Hours

Environment

Temp: 92 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.19 AU - 1.69 AU

Year: 654 Days

Day: 16.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.4 AU - 1.72 AU

Year: 738 Days

Day: 25.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,551,378 km

• M1: 48,919 km (0.087 R)
• M2: 86,916 km (0.025 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.06 AU - 2.16 AU

Year: 1161 Days

Day: 28.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.86 AU - 4.62 AU

Year: 2739 Days

Day: 15.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 8.2

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.95 AU - 5.95 AU

Year: 4819 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 99.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,551,378 km

• M1: 102,475 km (0.109 R)
• M2: 365,318 km (0.092 R)
• M3: 1,011,880 km (0.119 R)
• M4: 1,413,999 km (0.108 R)
• M5: 1,734,887 km (0.068 R)
• M6: 2,003,564 km (0.106 R)
• M7: 2,378,756 km (0.087 R)
• M8: 2,927,331 km (0.059 R)
• M9: 3,663,652 km (0.085 R)
• M10: 4,298,695 km (0.052 R)
• M11: 5,584,339 km (0.088 R)
• M12: 6,615,367 km (0.037 R)
• M13: 7,108,592 km (0.071 R)
• M14: 7,984,936 km (0.113 R)
• M15: 8,280,093 km (0.083 R)
• M16: 9,290,028 km (0.101 R)
• M17: 10,510,746 km (0.044 R)
• M18: 10,776,133 km (0.076 R)
• M19: 15,828,203 km (0.117 R)
• M20: 16,951,084 km (0.05 R)
• M21: 17,377,887 km (0.114 R)
• M22: 19,288,701 km (0.107 R)
• M23: 20,637,774 km (0.112 R)
• M24: 21,547,778 km (0.096 R)
• M25: 28,680,754 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.9

Radius: 14.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.63 AU - 12.67 AU

Year: 12248 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,551,378 km

• M1: 183,856 km (0.064 R)
• M2: 916,586 km (0.115 R)
• M3: 2,994,351 km (0.081 R)
• M4: 4,275,507 km (0.062 R)
• M5: 5,383,878 km (0.106 R)
• M6: 6,117,057 km (0.039 R)
• M7: 7,486,925 km (0.093 R)
• M8: 8,089,056 km (0.064 R)
• M9: 10,409,768 km (0.107 R)
• M10: 13,198,871 km (0.034 R)
• M11: 14,363,041 km (0.07 R)
• M12: 16,959,163 km (0.106 R)
• M13: 20,790,813 km (0.118 R)
• M14: 22,830,131 km (0.108 R)
• M15: 30,401,878 km (0.083 R)
• M16: 32,035,786 km (0.114 R)
• M17: 32,527,364 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.2

Radius: 6.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 9.02 AU - 14.56 AU

Year: 15333 Days

Day: 16.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,551,378 km

• M1: 77,043 km (0.042 R)
• M2: 360,232 km (0.105 R)
• M3: 1,510,639 km (0.107 R)
• M4: 2,240,677 km (0.075 R)
• M5: 2,446,673 km (0.103 R)
• M6: 5,385,224 km (0.071 R)
• M7: 7,683,047 km (0.102 R)
• M8: 8,686,101 km (0.11 R)
• M9: 9,110,810 km (0.071 R)
• M10: 11,344,605 km (0.089 R)
• M11: 12,641,469 km (0.086 R)
• M12: 13,804,892 km (0.116 R)
• M13: 20,707,337 km (0.063 R)
• M14: 21,159,572 km (0.08 R)
• M15: 21,772,923 km (0.102 R)
• M16: 22,874,562 km (0.081 R)
• M17: 23,930,274 km (0.11 R)
• M18: 29,510,125 km (0.091 R)
• M19: 32,956,112 km (0.071 R)
• M20: 33,779,648 km (0.055 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 15,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit