🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.69 AU - 1.11 AU

Year: 297 Days

Day: 15.3 Hours

Environment

Temp: 116 °C

Axial Tilt: 18.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.71 AU - 1.13 AU

Year: 307 Days

Day: 30.8 Hours

Environment

Temp: 123 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2 AU - 2.48 AU

Year: 1168 Days

Day: 24.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.18 AU - 2.44 AU

Year: 1223 Days

Day: 20.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,860,350 km

• M1: 147,504 km (0.037 R)
• M2: 1,627,326 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.2 AU - 2.92 AU

Year: 1426 Days

Day: 15.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,860,350 km

• M1: 1,007,691 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.12 AU - 3.18 AU

Year: 1502 Days

Day: 18.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.7 AU - 3.96 AU

Year: 2610 Days

Day: 15.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.71 AU - 5.07 AU

Year: 3203 Days

Day: 30.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 92.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,860,350 km

• M1: 3,576,137 km (0.084 R)

Planet 9 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.96 AU - 6.08 AU

Year: 3917 Days

Day: 39.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 14.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.65 AU - 5.75 AU

Year: 4739 Days

Day: 13.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 24,860,350 km

• M1: 192,981 km (0.099 R)
• M2: 291,117 km (0.097 R)
• M3: 457,470 km (0.108 R)
• M4: 600,037 km (0.097 R)
• M5: 739,911 km (0.111 R)
• M6: 904,170 km (0.099 R)
• M7: 1,169,257 km (0.11 R)
• M8: 1,488,200 km (0.034 R)
• M9: 1,865,785 km (0.084 R)
• M10: 2,050,538 km (0.073 R)
• M11: 2,161,240 km (0.109 R)
• M12: 2,607,640 km (0.117 R)
• M13: 2,745,570 km (0.06 R)
• M14: 2,921,497 km (0.093 R)
• M15: 3,083,212 km (0.054 R)
• M16: 3,247,919 km (0.041 R)
• M17: 4,318,143 km (0.05 R)
• M18: 4,461,756 km (0.067 R)
• M19: 4,648,903 km (0.098 R)
• M20: 5,401,530 km (0.12 R)
• M21: 5,578,953 km (0.102 R)
• M22: 5,916,895 km (0.065 R)
• M23: 6,008,150 km (0.078 R)
• M24: 6,146,079 km (0.045 R)
• M25: 6,331,431 km (0.049 R)
• M26: 6,660,396 km (0.029 R)
• M27: 6,779,327 km (0.028 R)
• M28: 6,995,047 km (0.106 R)
• M29: 7,091,687 km (0.091 R)
• M30: 7,830,850 km (0.069 R)
• M31: 8,776,309 km (0.119 R)
• M32: 9,143,422 km (0.046 R)
• M33: 9,435,586 km (0.052 R)
• M34: 9,730,743 km (0.089 R)
• M35: 10,056,268 km (0.049 R)
• M36: 10,413,059 km (0.048 R)
• M37: 10,551,287 km (0.03 R)
• M38: 10,690,264 km (0.117 R)
• M39: 11,365,698 km (0.103 R)
• M40: 11,565,262 km (0.115 R)
• M41: 11,997,001 km (0.068 R)
• M42: 12,258,648 km (0.102 R)
• M43: 12,434,126 km (0.117 R)
• M44: 12,610,353 km (0.081 R)
• M45: 14,081,049 km (0.102 R)
• M46: 14,542,110 km (0.118 R)
• M47: 14,696,944 km (0.073 R)
• M48: 15,416,210 km (0.069 R)
• M49: 15,923,197 km (0.107 R)
• M50: 16,178,860 km (0.104 R)
• M51: 17,019,002 km (0.099 R)
• M52: 17,576,104 km (0.11 R)
• M53: 17,674,988 km (0.088 R)
• M54: 18,006,049 km (0.049 R)
• M55: 18,406,073 km (0.119 R)
• M56: 18,876,559 km (0.091 R)
• M57: 19,079,413 km (0.1 R)
• M58: 19,181,140 km (0.108 R)
• M59: 19,350,933 km (0.111 R)
• M60: 19,966,678 km (0.104 R)
• M61: 20,415,472 km (0.104 R)
• M62: 21,534,314 km (0.091 R)
• M63: 21,781,600 km (0.075 R)
• M64: 21,887,964 km (0.06 R)
• M65: 22,350,670 km (0.085 R)
• M66: 22,457,932 km (0.107 R)
• M67: 22,852,571 km (0.116 R)
• M68: 22,996,633 km (0.059 R)
• M69: 24,087,052 km (0.088 R)
• M70: 24,307,111 km (0.107 R)

Kuiper Belt

Range: 31.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 13,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit