🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 10.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 561 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,232,795 km

• M1: 129,402 km (0.08 R)
• M2: 644,318 km (0.106 R)
• M3: 1,089,521 km (0.097 R)
• M4: 1,489,995 km (0.096 R)
• M5: 1,840,951 km (0.099 R)
• M6: 2,230,205 km (0.108 R)
• M7: 2,876,468 km (0.114 R)
• M8: 4,009,821 km (0.045 R)
• M9: 4,569,766 km (0.101 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 8.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.37 AU - 1.85 AU

Year: 1319 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,232,795 km

• M1: 103,372 km (0.086 R)
• M2: 620,682 km (0.084 R)
• M3: 1,199,476 km (0.078 R)
• M4: 2,268,053 km (0.051 R)
• M5: 2,814,684 km (0.068 R)
• M6: 4,827,074 km (0.091 R)
• M7: 5,342,888 km (0.112 R)
• M8: 5,895,054 km (0.096 R)
• M9: 6,464,872 km (0.087 R)
• M10: 6,763,320 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 11.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.87 AU - 2.21 AU

Year: 1881 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,232,795 km

• M1: 144,811 km (0.1 R)
• M2: 571,314 km (0.115 R)
• M3: 985,401 km (0.065 R)
• M4: 2,428,871 km (0.042 R)
• M5: 3,298,932 km (0.114 R)
• M6: 4,063,677 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 13.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.57 AU - 4.11 AU

Year: 4859 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,232,795 km

• M1: 186,698 km (0.086 R)
• M2: 612,154 km (0.111 R)
• M3: 1,249,591 km (0.08 R)
• M4: 1,688,960 km (0.092 R)
• M5: 2,207,017 km (0.091 R)
• M6: 2,645,638 km (0.066 R)
• M7: 3,478,599 km (0.096 R)
• M8: 6,960,939 km (0.085 R)
• M9: 7,413,622 km (0.093 R)
• M10: 8,891,649 km (0.043 R)
• M11: 9,830,674 km (0.109 R)
• M12: 11,444,686 km (0.1 R)
• M13: 11,906,195 km (0.081 R)
• M14: 13,551,323 km (0.097 R)
• M15: 14,068,333 km (0.096 R)
• M16: 14,501,270 km (0.096 R)
• M17: 17,016,309 km (0.118 R)
• M18: 17,896,992 km (0.1 R)
• M19: 20,537,693 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 8.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.26 AU - 5.3 AU

Year: 5717 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,232,795 km

• M1: 100,679 km (0.114 R)
• M2: 557,701 km (0.084 R)
• M3: 1,292,077 km (0.067 R)
• M4: 2,238,433 km (0.096 R)
• M5: 4,234,368 km (0.062 R)
• M6: 6,617,911 km (0.119 R)
• M7: 7,528,064 km (0.12 R)
• M8: 11,273,546 km (0.088 R)
• M9: 15,300,421 km (0.119 R)
• M10: 16,621,371 km (0.117 R)
• M11: 16,989,681 km (0.103 R)
• M12: 17,961,768 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 6

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.17 AU - 11.69 AU

Year: 18697 Days

Day: 20.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,232,795 km

• M1: 74,649 km (0.077 R)
• M2: 340,186 km (0.091 R)
• M3: 751,580 km (0.111 R)
• M4: 1,275,621 km (0.09 R)
• M5: 2,370,528 km (0.032 R)
• M6: 2,596,869 km (0.108 R)
• M7: 3,420,555 km (0.095 R)
• M8: 8,275,904 km (0.078 R)
• M9: 8,692,833 km (0.086 R)
• M10: 9,625,277 km (0.107 R)
• M11: 12,547,821 km (0.09 R)
• M12: 15,150,824 km (0.077 R)
• M13: 18,794,878 km (0.115 R)
• M14: 22,881,742 km (0.11 R)
• M15: 24,014,946 km (0.095 R)
• M16: 25,185,250 km (0.061 R)
• M17: 25,402,018 km (0.035 R)
• M18: 26,616,603 km (0.076 R)
• M19: 27,067,790 km (0.113 R)
• M20: 42,477,268 km (0.118 R)
• M21: 46,588,218 km (0.105 R)
• M22: 48,237,534 km (0.076 R)
• M23: 51,826,986 km (0.035 R)
• M24: 71,594,998 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 14,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit