🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.49 AU - 0.67 AU

Year: 166 Days

Day: 19.3 Hours

Environment

Temp: 215 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,550,676 km

• M1: 59,540 km (0.1 R)
• M2: 367,712 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.54 AU - 0.8 AU

Year: 207 Days

Day: 13.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.38 AU - 1.54 AU

Year: 665 Days

Day: 32.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,550,676 km

• M1: 459,864 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.88 AU - 2.08 AU

Year: 1050 Days

Day: 34.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.9 AU - 2.36 AU

Year: 1171 Days

Day: 45 Hours

Environment

Temp: -82 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,550,676 km

• M1: 848,370 km (0.084 R)
• M2: 1,250,189 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.39 AU - 2.43 AU

Year: 1409 Days

Day: 15 Hours

Environment

Temp: -95 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,550,676 km

• M1: 268,379 km (0.114 R)
• M2: 1,734,737 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.68 AU - 3 AU

Year: 1803 Days

Day: 43.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,550,676 km

• M1: 2,050,239 km (0.057 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.71 AU - 3.97 AU

Year: 2835 Days

Day: 21.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 12.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.31 AU - 4.71 AU

Year: 3608 Days

Day: 7.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 26,550,676 km

• M1: 168,447 km (0.068 R)
• M2: 475,123 km (0.089 R)
• M3: 772,823 km (0.095 R)
• M4: 913,744 km (0.099 R)
• M5: 1,102,985 km (0.041 R)
• M6: 1,209,349 km (0.101 R)
• M7: 1,390,213 km (0.056 R)
• M8: 1,655,899 km (0.096 R)
• M9: 2,102,000 km (0.107 R)
• M10: 2,236,488 km (0.104 R)
• M11: 2,373,819 km (0.074 R)
• M12: 2,603,153 km (0.104 R)
• M13: 2,932,866 km (0.087 R)
• M14: 3,237,298 km (0.077 R)
• M15: 3,452,719 km (0.043 R)
• M16: 3,632,386 km (0.042 R)
• M17: 3,713,318 km (0.098 R)
• M18: 3,835,839 km (0.05 R)
• M19: 3,980,650 km (0.085 R)
• M20: 4,254,115 km (0.077 R)
• M21: 4,468,937 km (0.109 R)
• M22: 4,687,200 km (0.109 R)
• M23: 4,797,753 km (0.085 R)
• M24: 5,595,559 km (0.067 R)
• M25: 6,045,998 km (0.115 R)
• M26: 6,142,339 km (0.081 R)
• M27: 6,263,513 km (0.117 R)
• M28: 6,706,323 km (0.045 R)
• M29: 6,906,335 km (0.115 R)
• M30: 7,007,164 km (0.099 R)
• M31: 7,752,610 km (0.102 R)
• M32: 7,936,466 km (0.114 R)
• M33: 8,148,147 km (0.086 R)
• M34: 8,228,032 km (0.095 R)
• M35: 8,631,648 km (0.116 R)
• M36: 9,069,072 km (0.09 R)
• M37: 9,179,625 km (0.103 R)
• M38: 9,994,484 km (0.055 R)
• M39: 10,280,814 km (0.112 R)
• M40: 10,396,154 km (0.093 R)
• M41: 10,657,203 km (0.076 R)
• M42: 11,215,352 km (0.106 R)
• M43: 11,334,133 km (0.08 R)
• M44: 11,873,583 km (0.113 R)
• M45: 12,116,081 km (0.073 R)
• M46: 12,390,892 km (0.114 R)
• M47: 12,698,615 km (0.094 R)
• M48: 13,922,775 km (0.108 R)
• M49: 14,468,208 km (0.093 R)
• M50: 15,348,891 km (0.071 R)
• M51: 16,213,268 km (0.104 R)
• M52: 16,685,249 km (0.048 R)
• M53: 16,820,934 km (0.097 R)
• M54: 17,333,157 km (0.105 R)
• M55: 17,504,896 km (0.119 R)
• M56: 17,642,825 km (0.112 R)
• M57: 17,815,760 km (0.099 R)
• M58: 17,954,437 km (0.108 R)
• M59: 18,548,042 km (0.117 R)
• M60: 19,112,474 km (0.086 R)
• M61: 19,361,256 km (0.095 R)
• M62: 20,005,873 km (0.063 R)
• M63: 21,022,690 km (0.095 R)
• M64: 21,169,295 km (0.091 R)
• M65: 21,759,160 km (0.083 R)
• M66: 22,317,160 km (0.044 R)
• M67: 22,691,753 km (0.055 R)
• M68: 23,713,506 km (0.112 R)
• M69: 24,557,238 km (0.086 R)
• M70: 24,943,949 km (0.101 R)
• M71: 25,177,022 km (0.037 R)
• M72: 25,567,024 km (0.116 R)
• M73: 26,234,530 km (0.081 R)
• M74: 26,313,517 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit