🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 11.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,687,194 km

• M1: 138,079 km (0.095 R)
• M2: 492,476 km (0.109 R)
• M3: 879,785 km (0.086 R)
• M4: 1,458,280 km (0.083 R)
• M5: 1,852,022 km (0.114 R)
• M6: 2,395,511 km (0.077 R)
• M7: 3,434,318 km (0.079 R)
• M8: 3,817,887 km (0.091 R)
• M9: 4,578,144 km (0.027 R)
• M10: 5,775,525 km (0.092 R)
• M11: 6,243,617 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 8.4

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.97 AU - 1.43 AU

Year: 892 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,687,194 km

• M1: 104,419 km (0.086 R)
• M2: 383,419 km (0.06 R)
• M3: 756,367 km (0.113 R)
• M4: 1,037,012 km (0.114 R)
• M5: 1,303,895 km (0.1 R)
• M6: 1,699,282 km (0.047 R)
• M7: 2,066,096 km (0.115 R)
• M8: 2,697,998 km (0.079 R)
• M9: 4,183,804 km (0.047 R)
• M10: 4,652,793 km (0.077 R)
• M11: 5,228,745 km (0.047 R)
• M12: 5,600,346 km (0.032 R)
• M13: 6,049,439 km (0.118 R)
• M14: 6,355,067 km (0.109 R)
• M15: 6,778,728 km (0.094 R)
• M16: 7,064,161 km (0.031 R)
• M17: 7,920,609 km (0.118 R)
• M18: 8,411,589 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.2

Radius: 9.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.39 AU - 2.05 AU

Year: 1530 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,687,194 km

• M1: 115,639 km (0.108 R)
• M2: 436,527 km (0.091 R)
• M3: 760,406 km (0.087 R)
• M4: 1,122,134 km (0.11 R)
• M5: 1,548,637 km (0.117 R)
• M6: 1,903,932 km (0.095 R)
• M7: 2,895,317 km (0.109 R)
• M8: 3,297,586 km (0.099 R)
• M9: 3,706,287 km (0.098 R)
• M10: 4,034,954 km (0.072 R)
• M11: 4,573,357 km (0.1 R)
• M12: 5,630,116 km (0.052 R)
• M13: 6,368,681 km (0.054 R)
• M14: 8,780,946 km (0.103 R)
• M15: 9,113,053 km (0.065 R)
• M16: 9,511,283 km (0.032 R)
• M17: 9,950,652 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 9.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.09 AU - 2.83 AU

Year: 2617 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,687,194 km

• M1: 127,757 km (0.039 R)
• M2: 468,391 km (0.109 R)
• M3: 782,397 km (0.07 R)
• M4: 1,164,470 km (0.095 R)
• M5: 1,620,893 km (0.089 R)
• M6: 2,004,312 km (0.081 R)
• M7: 3,032,648 km (0.067 R)
• M8: 3,383,305 km (0.109 R)
• M9: 3,960,005 km (0.055 R)
• M10: 4,321,134 km (0.119 R)
• M11: 5,821,452 km (0.084 R)
• M12: 6,997,889 km (0.044 R)
• M13: 9,310,822 km (0.069 R)
• M14: 10,090,526 km (0.06 R)
• M15: 11,587,552 km (0.04 R)
• M16: 12,249,672 km (0.1 R)
• M17: 12,978,214 km (0.063 R)
• M18: 13,522,002 km (0.093 R)
• M19: 15,245,070 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.3

Radius: 4.2

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.98 AU - 11.78 AU

Year: 22682 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 85.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,687,194 km

• M1: 64,626 km (0.1 R)
• M2: 338,091 km (0.101 R)
• M3: 531,372 km (0.111 R)
• M4: 1,183,618 km (0.103 R)
• M5: 1,318,705 km (0.091 R)
• M6: 2,711,013 km (0.101 R)
• M7: 3,275,595 km (0.098 R)
• M8: 9,742,113 km (0.058 R)
• M9: 10,467,213 km (0.112 R)
• M10: 22,066,584 km (0.071 R)
• M11: 31,905,785 km (0.073 R)
• M12: 35,914,410 km (0.07 R)
• M13: 36,966,531 km (0.062 R)
• M14: 38,174,534 km (0.076 R)
• M15: 42,975,728 km (0.102 R)
• M16: 50,416,278 km (0.061 R)
• M17: 51,402,726 km (0.089 R)
• M18: 52,569,739 km (0.064 R)
• M19: 52,906,484 km (0.106 R)
• M20: 54,783,787 km (0.117 R)
• M21: 59,944,914 km (0.086 R)
• M22: 62,548,665 km (0.065 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: 320 - 11,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit