🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.63 AU

Year: 242 Days

Day: 13.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 14.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.65 AU - 1.07 AU

Year: 515 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,222,117 km

• M1: 185,651 km (0.104 R)
• M2: 662,120 km (0.079 R)
• M3: 1,135,747 km (0.104 R)
• M4: 1,695,841 km (0.1 R)
• M5: 2,170,665 km (0.115 R)
• M6: 2,986,721 km (0.1 R)
• M7: 3,486,378 km (0.089 R)
• M8: 4,140,271 km (0.076 R)
• M9: 4,626,165 km (0.093 R)
• M10: 5,199,872 km (0.063 R)
• M11: 6,608,187 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 14.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.81 AU - 1.07 AU

Year: 588 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,222,117 km

• M1: 180,415 km (0.048 R)
• M2: 645,814 km (0.098 R)
• M3: 1,112,410 km (0.107 R)
• M4: 1,692,999 km (0.112 R)
• M5: 2,258,928 km (0.089 R)
• M6: 2,950,968 km (0.1 R)
• M7: 3,432,074 km (0.088 R)
• M8: 3,978,256 km (0.031 R)
• M9: 4,792,368 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 10.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.36 AU - 1.42 AU

Year: 1058 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,222,117 km

• M1: 129,552 km (0.054 R)
• M2: 470,336 km (0.092 R)
• M3: 836,850 km (0.076 R)
• M4: 1,509,592 km (0.079 R)
• M5: 2,234,095 km (0.11 R)
• M6: 2,562,761 km (0.056 R)
• M7: 2,957,550 km (0.078 R)
• M8: 4,993,876 km (0.082 R)
• M9: 5,879,496 km (0.111 R)
• M10: 6,379,003 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 11.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.95 AU - 5.55 AU

Year: 7767 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,222,117 km

• M1: 143,614 km (0.094 R)
• M2: 605,273 km (0.077 R)
• M3: 3,641,811 km (0.03 R)
• M4: 4,233,769 km (0.073 R)
• M5: 4,682,713 km (0.087 R)
• M6: 6,083,996 km (0.107 R)
• M7: 7,788,514 km (0.085 R)
• M8: 12,172,330 km (0.084 R)
• M9: 14,979,534 km (0.105 R)
• M10: 15,760,285 km (0.115 R)
• M11: 18,485,809 km (0.085 R)
• M12: 19,766,815 km (0.087 R)
• M13: 20,232,813 km (0.077 R)
• M14: 26,882,588 km (0.112 R)
• M15: 29,724,199 km (0.065 R)
• M16: 31,269,994 km (0.104 R)
• M17: 33,085,963 km (0.101 R)
• M18: 35,311,081 km (0.078 R)
• M19: 36,809,753 km (0.099 R)
• M20: 37,752,967 km (0.046 R)
• M21: 43,753,338 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.2

Radius: 6.4

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.16 AU - 9.14 AU

Year: 13662 Days

Day: 18.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,222,117 km

• M1: 100,530 km (0.048 R)
• M2: 512,223 km (0.078 R)
• M3: 828,922 km (0.107 R)
• M4: 1,295,368 km (0.099 R)
• M5: 1,567,187 km (0.117 R)
• M6: 2,037,822 km (0.074 R)
• M7: 2,426,029 km (0.031 R)
• M8: 2,677,951 km (0.114 R)
• M9: 2,947,228 km (0.106 R)
• M10: 4,237,659 km (0.084 R)
• M11: 4,870,458 km (0.07 R)
• M12: 5,900,738 km (0.066 R)
• M13: 6,109,128 km (0.067 R)
• M14: 6,763,619 km (0.097 R)
• M15: 8,962,408 km (0.036 R)
• M16: 9,951,998 km (0.069 R)
• M17: 10,908,378 km (0.104 R)
• M18: 13,002,598 km (0.108 R)
• M19: 13,475,327 km (0.09 R)
• M20: 13,776,468 km (0.094 R)
• M21: 16,350,598 km (0.08 R)
• M22: 17,181,315 km (0.084 R)
• M23: 19,687,529 km (0.084 R)
• M24: 21,351,506 km (0.085 R)
• M25: 21,596,547 km (0.117 R)
• M26: 22,427,264 km (0.093 R)
• M27: 23,625,693 km (0.112 R)
• M28: 23,887,938 km (0.112 R)
• M29: 26,997,778 km (0.062 R)
• M30: 28,550,305 km (0.104 R)
• M31: 29,348,559 km (0.1 R)
• M32: 30,573,616 km (0.099 R)
• M33: 32,259,434 km (0.1 R)
• M34: 34,117,739 km (0.062 R)
• M35: 37,450,181 km (0.107 R)
• M36: 40,617,019 km (0.107 R)
• M37: 41,372,338 km (0.111 R)
• M38: 43,432,301 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 11,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit