🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 12.7

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 478 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,671,642 km

• M1: 158,125 km (0.073 R)
• M2: 558,748 km (0.051 R)
• M3: 1,476,082 km (0.114 R)
• M4: 2,235,591 km (0.086 R)
• M5: 2,684,384 km (0.117 R)
• M6: 3,315,238 km (0.086 R)
• M7: 3,834,792 km (0.055 R)
• M8: 4,245,139 km (0.069 R)
• M9: 4,763,645 km (0.094 R)
• M10: 5,746,353 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 14.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.72 AU - 1.08 AU

Year: 560 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,671,642 km

• M1: 177,872 km (0.06 R)
• M2: 659,278 km (0.094 R)
• M3: 1,136,345 km (0.05 R)
• M4: 1,713,344 km (0.107 R)
• M5: 2,412,116 km (0.086 R)
• M6: 2,939,000 km (0.082 R)
• M7: 3,459,152 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.4

Radius: 11.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.91 AU - 2.15 AU

Year: 1897 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,671,642 km

• M1: 143,016 km (0.083 R)
• M2: 716,723 km (0.1 R)
• M3: 1,346,231 km (0.073 R)
• M4: 1,771,987 km (0.101 R)
• M5: 3,035,341 km (0.117 R)
• M6: 4,037,048 km (0.108 R)
• M7: 4,605,670 km (0.117 R)
• M8: 7,111,584 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.4

Radius: 5.3

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.74 AU - 8.96 AU

Year: 17271 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,671,642 km

• M1: 78,090 km (0.096 R)
• M2: 378,034 km (0.052 R)
• M3: 778,657 km (0.102 R)
• M4: 1,997,580 km (0.105 R)
• M5: 3,109,841 km (0.073 R)
• M6: 4,171,237 km (0.082 R)
• M7: 4,463,103 km (0.117 R)
• M8: 5,697,435 km (0.075 R)
• M9: 8,630,750 km (0.114 R)
• M10: 9,250,235 km (0.081 R)
• M11: 14,705,770 km (0.114 R)
• M12: 18,835,718 km (0.114 R)
• M13: 20,450,627 km (0.085 R)
• M14: 22,952,951 km (0.057 R)
• M15: 24,792,855 km (0.113 R)
• M16: 27,228,159 km (0.107 R)
• M17: 32,117,316 km (0.061 R)
• M18: 35,964,226 km (0.061 R)
• M19: 46,973,432 km (0.108 R)
• M20: 49,176,410 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.9

Radius: 5.1

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.05 AU - 10.77 AU

Year: 17447 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 164.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,671,642 km

• M1: 70,610 km (0.069 R)
• M2: 349,610 km (0.099 R)
• M3: 831,764 km (0.088 R)
• M4: 1,233,135 km (0.086 R)
• M5: 1,630,766 km (0.095 R)
• M6: 1,917,994 km (0.106 R)
• M7: 2,873,027 km (0.074 R)
• M8: 3,268,265 km (0.094 R)
• M9: 3,466,482 km (0.12 R)
• M10: 3,672,628 km (0.092 R)
• M11: 4,138,027 km (0.091 R)
• M12: 4,580,537 km (0.088 R)
• M13: 5,152,599 km (0.092 R)
• M14: 5,319,551 km (0.092 R)
• M15: 6,285,055 km (0.102 R)
• M16: 7,195,059 km (0.109 R)
• M17: 9,029,877 km (0.109 R)
• M18: 9,224,055 km (0.108 R)
• M19: 9,925,968 km (0.114 R)
• M20: 13,719,471 km (0.104 R)
• M21: 16,870,152 km (0.068 R)
• M22: 19,086,295 km (0.069 R)
• M23: 23,077,716 km (0.099 R)
• M24: 27,490,105 km (0.086 R)
• M25: 28,310,799 km (0.111 R)
• M26: 29,465,844 km (0.111 R)
• M27: 30,000,955 km (0.074 R)
• M28: 32,889,092 km (0.059 R)
• M29: 35,113,163 km (0.092 R)
• M30: 35,593,821 km (0.102 R)
• M31: 36,691,421 km (0.068 R)
• M32: 38,443,362 km (0.117 R)
• M33: 44,731,559 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit