🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 9.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.62 AU - 0.64 AU

Year: 339 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,916,819 km

• M1: 121,922 km (0.074 R)
• M2: 471,682 km (0.114 R)
• M3: 816,655 km (0.034 R)
• M4: 1,375,702 km (0.09 R)
• M5: 1,711,998 km (0.1 R)
• M6: 2,080,458 km (0.105 R)
• M7: 3,439,853 km (0.079 R)
• M8: 3,851,397 km (0.062 R)
• M9: 4,181,260 km (0.085 R)
• M10: 4,583,529 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.9

Radius: 8.2

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.01 AU - 3.23 AU

Year: 3738 Days

Day: 11.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,916,819 km

• M1: 102,026 km (0.117 R)
• M2: 727,195 km (0.113 R)
• M3: 1,615,657 km (0.058 R)
• M4: 2,264,762 km (0.097 R)
• M5: 3,697,012 km (0.077 R)
• M6: 4,139,523 km (0.089 R)
• M7: 5,024,693 km (0.084 R)
• M8: 6,394,112 km (0.112 R)
• M9: 7,401,355 km (0.09 R)
• M10: 8,104,913 km (0.067 R)
• M11: 8,929,646 km (0.088 R)
• M12: 13,858,148 km (0.068 R)
• M13: 14,225,710 km (0.113 R)
• M14: 15,704,485 km (0.113 R)
• M15: 16,864,018 km (0.073 R)
• M16: 20,889,547 km (0.093 R)
• M17: 25,591,109 km (0.065 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.7

Radius: 4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.15 AU - 9.17 AU

Year: 17285 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,916,819 km

• M1: 202,705 km (0.046 R)
• M2: 1,491,042 km (0.057 R)
• M3: 1,748,051 km (0.118 R)
• M4: 6,125,434 km (0.039 R)
• M5: 6,962,285 km (0.085 R)
• M6: 7,484,232 km (0.031 R)
• M7: 10,112,367 km (0.096 R)
• M8: 12,311,755 km (0.1 R)
• M9: 15,052,837 km (0.12 R)
• M10: 19,232,452 km (0.113 R)
• M11: 27,716,596 km (0.113 R)
• M12: 30,364,777 km (0.116 R)
• M13: 31,951,263 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.6

Radius: 5.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.59 AU - 10.51 AU

Year: 20017 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,916,819 km

• M1: 71,508 km (0.036 R)
• M2: 537,804 km (0.092 R)
• M3: 1,244,804 km (0.112 R)
• M4: 1,751,941 km (0.069 R)
• M5: 2,202,230 km (0.044 R)
• M6: 2,484,073 km (0.119 R)
• M7: 2,875,121 km (0.102 R)
• M8: 3,676,667 km (0.1 R)
• M9: 4,768,731 km (0.106 R)
• M10: 5,954,743 km (0.089 R)
• M11: 6,170,015 km (0.091 R)
• M12: 6,808,199 km (0.032 R)
• M13: 13,519,758 km (0.112 R)
• M14: 18,451,850 km (0.05 R)
• M15: 19,928,980 km (0.059 R)
• M16: 23,292,837 km (0.048 R)
• M17: 24,098,721 km (0.107 R)
• M18: 24,462,693 km (0.104 R)
• M19: 25,201,856 km (0.081 R)
• M20: 26,242,159 km (0.095 R)
• M21: 28,814,644 km (0.042 R)
• M22: 29,638,779 km (0.101 R)
• M23: 36,208,369 km (0.034 R)
• M24: 37,047,015 km (0.091 R)
• M25: 46,016,604 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50

Radius: 4.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.19 AU - 11.98 AU

Year: 20111 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,916,819 km

• M1: 54,753 km (0.108 R)
• M2: 234,420 km (0.118 R)
• M3: 647,609 km (0.106 R)
• M4: 3,405,147 km (0.11 R)
• M5: 4,825,130 km (0.036 R)
• M6: 6,631,823 km (0.047 R)
• M7: 7,502,333 km (0.038 R)
• M8: 11,506,769 km (0.107 R)
• M9: 13,335,902 km (0.082 R)
• M10: 27,806,055 km (0.116 R)
• M11: 29,044,576 km (0.087 R)
• M12: 30,597,252 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 15,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit