🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.3

Radius: 14

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.28 AU - 1.68 AU

Year: 1221 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,226,697 km

• M1: 174,132 km (0.045 R)
• M2: 657,782 km (0.076 R)
• M3: 1,237,474 km (0.077 R)
• M4: 1,705,715 km (0.081 R)
• M5: 2,306,201 km (0.046 R)
• M6: 2,756,341 km (0.094 R)
• M7: 3,280,831 km (0.112 R)
• M8: 3,771,362 km (0.041 R)
• M9: 4,514,714 km (0.111 R)
• M10: 5,290,828 km (0.037 R)
• M11: 5,766,848 km (0.086 R)
• M12: 7,609,894 km (0.074 R)
• M13: 8,275,455 km (0.111 R)
• M14: 9,039,900 km (0.12 R)
• M15: 9,533,573 km (0.072 R)
• M16: 10,340,953 km (0.092 R)
• M17: 10,778,527 km (0.104 R)
• M18: 12,166,196 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 11.2

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.37 AU - 2.14 AU

Year: 1570 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,226,697 km

• M1: 139,276 km (0.081 R)
• M2: 587,321 km (0.074 R)
• M3: 1,016,069 km (0.046 R)
• M4: 1,523,954 km (0.11 R)
• M5: 1,924,128 km (0.099 R)
• M6: 2,344,498 km (0.032 R)
• M7: 2,741,231 km (0.085 R)
• M8: 3,503,881 km (0.087 R)
• M9: 3,899,568 km (0.037 R)
• M10: 5,336,754 km (0.05 R)
• M11: 5,815,916 km (0.109 R)
• M12: 8,292,509 km (0.084 R)
• M13: 8,905,262 km (0.084 R)
• M14: 9,680,329 km (0.106 R)
• M15: 12,082,422 km (0.093 R)
• M16: 12,630,548 km (0.118 R)
• M17: 14,288,541 km (0.105 R)
• M18: 14,680,637 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 12.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.98 AU - 2.36 AU

Year: 2168 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,226,697 km

• M1: 150,495 km (0.092 R)
• M2: 972,685 km (0.109 R)
• M3: 1,534,575 km (0.065 R)
• M4: 2,359,158 km (0.093 R)
• M5: 2,775,788 km (0.112 R)
• M6: 4,193,976 km (0.114 R)
• M7: 5,751,141 km (0.107 R)
• M8: 6,252,293 km (0.078 R)
• M9: 7,693,669 km (0.114 R)
• M10: 8,846,620 km (0.101 R)
• M11: 11,108,240 km (0.104 R)
• M12: 13,253,623 km (0.097 R)
• M13: 13,643,625 km (0.079 R)
• M14: 15,328,396 km (0.11 R)
• M15: 16,894,088 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 8.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.34 AU - 2.42 AU

Year: 2490 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,226,697 km

• M1: 111,450 km (0.103 R)
• M2: 850,613 km (0.102 R)
• M3: 1,128,267 km (0.088 R)
• M4: 1,642,585 km (0.062 R)
• M5: 2,095,268 km (0.076 R)
• M6: 3,090,991 km (0.107 R)
• M7: 4,216,117 km (0.046 R)
• M8: 4,958,421 km (0.066 R)
• M9: 5,292,473 km (0.025 R)
• M10: 6,808,498 km (0.034 R)
• M11: 7,564,416 km (0.104 R)
• M12: 8,979,762 km (0.111 R)
• M13: 9,409,856 km (0.077 R)
• M14: 10,311,482 km (0.071 R)
• M15: 10,783,314 km (0.115 R)
• M16: 11,345,503 km (0.094 R)
• M17: 12,045,920 km (0.108 R)
• M18: 13,879,092 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 12.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.04 AU - 3.28 AU

Year: 3810 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,226,697 km

• M1: 157,975 km (0.107 R)
• M2: 720,763 km (0.085 R)
• M3: 1,377,647 km (0.095 R)
• M4: 1,872,965 km (0.107 R)
• M5: 2,296,776 km (0.117 R)
• M6: 2,834,281 km (0.084 R)
• M7: 3,324,065 km (0.054 R)
• M8: 3,890,741 km (0.085 R)
• M9: 4,544,335 km (0.064 R)
• M10: 4,970,838 km (0.103 R)
• M11: 7,045,461 km (0.103 R)
• M12: 7,651,931 km (0.117 R)
• M13: 9,042,892 km (0.065 R)
• M14: 9,644,276 km (0.078 R)
• M15: 10,678,296 km (0.053 R)
• M16: 12,779,548 km (0.117 R)
• M17: 15,195,703 km (0.03 R)
• M18: 16,539,241 km (0.116 R)
• M19: 17,268,381 km (0.115 R)
• M20: 18,254,231 km (0.06 R)
• M21: 20,337,831 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.7

Radius: 7.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.05 AU - 9.91 AU

Year: 18252 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,226,697 km

• M1: 100,979 km (0.11 R)
• M2: 440,267 km (0.082 R)
• M3: 2,112,472 km (0.091 R)
• M4: 2,854,627 km (0.088 R)
• M5: 3,711,523 km (0.096 R)
• M6: 5,989,749 km (0.104 R)
• M7: 6,572,732 km (0.112 R)
• M8: 6,859,960 km (0.099 R)
• M9: 7,575,786 km (0.08 R)
• M10: 7,891,736 km (0.096 R)
• M11: 8,849,312 km (0.114 R)
• M12: 12,347,210 km (0.052 R)
• M13: 14,340,751 km (0.089 R)
• M14: 16,147,594 km (0.094 R)
• M15: 23,207,118 km (0.107 R)
• M16: 25,864,425 km (0.093 R)
• M17: 29,390,297 km (0.059 R)
• M18: 31,470,006 km (0.094 R)
• M19: 32,701,496 km (0.093 R)
• M20: 36,588,498 km (0.054 R)
• M21: 37,151,584 km (0.112 R)
• M22: 39,226,656 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 11,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit