🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 10

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.7 AU - 0.74 AU

Year: 394 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,290,332 km

• M1: 124,316 km (0.101 R)
• M2: 442,959 km (0.11 R)
• M3: 762,351 km (0.06 R)
• M4: 1,086,230 km (0.074 R)
• M5: 1,816,567 km (0.052 R)
• M6: 2,189,514 km (0.097 R)
• M7: 2,643,245 km (0.075 R)
• M8: 3,092,338 km (0.115 R)
• M9: 3,906,449 km (0.104 R)
• M10: 4,448,592 km (0.095 R)
• M11: 5,196,132 km (0.038 R)
• M12: 5,600,196 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 12.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.61 AU - 2.59 AU

Year: 1965 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,290,332 km

• M1: 199,414 km (0.069 R)
• M2: 965,056 km (0.119 R)
• M3: 1,355,955 km (0.057 R)
• M4: 2,168,870 km (0.114 R)
• M5: 2,997,642 km (0.071 R)
• M6: 3,624,906 km (0.095 R)
• M7: 4,338,338 km (0.085 R)
• M8: 4,771,574 km (0.11 R)
• M9: 5,582,095 km (0.1 R)
• M10: 8,256,456 km (0.09 R)
• M11: 8,957,920 km (0.093 R)
• M12: 9,698,580 km (0.066 R)
• M13: 11,573,190 km (0.089 R)
• M14: 12,248,625 km (0.114 R)
• M15: 14,208,656 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 14.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.22 AU - 3.36 AU

Year: 3009 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,290,332 km

• M1: 177,872 km (0.099 R)
• M2: 943,813 km (0.096 R)
• M3: 1,678,787 km (0.071 R)
• M4: 2,474,349 km (0.114 R)
• M5: 2,923,142 km (0.114 R)
• M6: 4,007,129 km (0.086 R)
• M7: 4,714,876 km (0.111 R)
• M8: 5,644,926 km (0.109 R)
• M9: 6,179,140 km (0.12 R)
• M10: 7,293,345 km (0.083 R)
• M11: 9,713,240 km (0.071 R)
• M12: 10,809,793 km (0.105 R)
• M13: 11,636,919 km (0.083 R)
• M14: 13,502,704 km (0.057 R)
• M15: 14,731,950 km (0.067 R)
• M16: 15,234,748 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 4.3

Gravity: 54.07 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.31 AU - 6.79 AU

Year: 10824 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,290,332 km

• M1: 54,603 km (0.031 R)
• M2: 324,927 km (0.073 R)
• M3: 614,698 km (0.071 R)
• M4: 969,843 km (0.061 R)
• M5: 1,310,477 km (0.059 R)
• M6: 2,304,106 km (0.119 R)
• M7: 2,593,728 km (0.047 R)
• M8: 3,914,079 km (0.087 R)
• M9: 4,832,310 km (0.069 R)
• M10: 5,663,626 km (0.054 R)
• M11: 8,530,370 km (0.109 R)
• M12: 16,144,901 km (0.104 R)
• M13: 17,198,968 km (0.05 R)
• M14: 18,539,515 km (0.103 R)
• M15: 20,289,810 km (0.05 R)
• M16: 20,461,997 km (0.095 R)
• M17: 22,056,112 km (0.097 R)
• M18: 22,605,435 km (0.1 R)
• M19: 23,826,752 km (0.074 R)
• M20: 26,400,135 km (0.118 R)
• M21: 27,019,171 km (0.098 R)
• M22: 29,482,150 km (0.112 R)
• M23: 30,036,709 km (0.083 R)
• M24: 35,593,672 km (0.12 R)
• M25: 41,659,117 km (0.053 R)
• M26: 45,521,435 km (0.06 R)
• M27: 48,224,818 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 6.7

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.44 AU - 6.82 AU

Year: 11023 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,290,332 km

• M1: 83,476 km (0.085 R)
• M2: 998,715 km (0.085 R)
• M3: 1,308,233 km (0.117 R)
• M4: 4,173,481 km (0.071 R)
• M5: 6,150,716 km (0.109 R)
• M6: 6,984,126 km (0.041 R)
• M7: 7,935,718 km (0.109 R)
• M8: 8,632,396 km (0.093 R)
• M9: 10,146,625 km (0.051 R)
• M10: 10,524,061 km (0.064 R)
• M11: 13,953,442 km (0.071 R)
• M12: 14,285,849 km (0.045 R)
• M13: 17,905,668 km (0.055 R)
• M14: 19,427,976 km (0.063 R)
• M15: 20,432,676 km (0.11 R)
• M16: 22,093,661 km (0.109 R)
• M17: 25,385,412 km (0.087 R)
• M18: 25,980,812 km (0.084 R)
• M19: 29,314,002 km (0.08 R)
• M20: 32,455,408 km (0.06 R)
• M21: 33,038,989 km (0.078 R)
• M22: 33,510,970 km (0.059 R)
• M23: 37,194,668 km (0.109 R)
• M24: 40,733,107 km (0.113 R)
• M25: 42,932,345 km (0.103 R)
• M26: 44,346,344 km (0.118 R)
• M27: 47,416,391 km (0.077 R)
• M28: 50,625,266 km (0.04 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: 495 - 16,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit