🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 8.4

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.39 AU - 1.85 AU

Year: 1375 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,856,814 km

• M1: 104,569 km (0.057 R)
• M2: 369,956 km (0.119 R)
• M3: 769,681 km (0.088 R)
• M4: 1,536,520 km (0.102 R)
• M5: 1,859,801 km (0.095 R)
• M6: 2,632,025 km (0.12 R)
• M7: 2,995,249 km (0.101 R)
• M8: 3,822,824 km (0.037 R)
• M9: 4,142,365 km (0.119 R)
• M10: 4,518,304 km (0.062 R)
• M11: 5,209,746 km (0.105 R)
• M12: 5,807,689 km (0.106 R)
• M13: 6,255,285 km (0.103 R)
• M14: 7,192,815 km (0.065 R)
• M15: 7,488,869 km (0.116 R)
• M16: 8,634,789 km (0.078 R)
• M17: 9,762,458 km (0.094 R)
• M18: 10,025,900 km (0.104 R)
• M19: 10,293,979 km (0.088 R)
• M20: 10,774,787 km (0.114 R)
• M21: 11,451,119 km (0.117 R)
• M22: 12,927,650 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.4

Radius: 14.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.65 AU - 1.75 AU

Year: 1478 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,856,814 km

• M1: 181,911 km (0.098 R)
• M2: 829,221 km (0.113 R)
• M3: 1,429,108 km (0.113 R)
• M4: 1,953,000 km (0.09 R)
• M5: 2,766,214 km (0.111 R)
• M6: 4,020,892 km (0.068 R)
• M7: 4,898,433 km (0.063 R)
• M8: 6,226,413 km (0.113 R)
• M9: 7,377,718 km (0.078 R)
• M10: 8,337,688 km (0.116 R)
• M11: 8,947,000 km (0.089 R)
• M12: 9,556,312 km (0.117 R)
• M13: 10,665,431 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 10.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.05 AU - 2.65 AU

Year: 2402 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,856,814 km

• M1: 136,284 km (0.108 R)
• M2: 485,146 km (0.094 R)
• M3: 964,158 km (0.109 R)
• M4: 1,315,264 km (0.107 R)
• M5: 2,276,431 km (0.092 R)
• M6: 2,963,235 km (0.103 R)
• M7: 3,990,822 km (0.067 R)
• M8: 4,597,442 km (0.09 R)
• M9: 5,012,725 km (0.045 R)
• M10: 5,843,742 km (0.078 R)
• M11: 6,253,041 km (0.118 R)
• M12: 7,044,265 km (0.087 R)
• M13: 8,148,895 km (0.065 R)
• M14: 10,511,943 km (0.052 R)
• M15: 11,510,359 km (0.069 R)
• M16: 12,238,003 km (0.103 R)
• M17: 14,745,264 km (0.047 R)
• M18: 15,847,800 km (0.079 R)
• M19: 16,595,939 km (0.113 R)
• M20: 17,159,325 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 8.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.86 AU - 3.78 AU

Year: 4034 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,856,814 km

• M1: 101,278 km (0.113 R)
• M2: 481,556 km (0.087 R)
• M3: 1,015,171 km (0.1 R)
• M4: 1,269,637 km (0.047 R)
• M5: 2,061,010 km (0.09 R)
• M6: 3,915,724 km (0.092 R)
• M7: 5,466,007 km (0.105 R)
• M8: 6,494,044 km (0.101 R)
• M9: 9,089,267 km (0.065 R)
• M10: 10,815,776 km (0.027 R)
• M11: 11,911,730 km (0.116 R)
• M12: 12,873,196 km (0.06 R)
• M13: 13,542,347 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.6

Radius: 12.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.35 AU - 4.89 AU

Year: 6622 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,856,814 km

• M1: 153,338 km (0.115 R)
• M2: 593,604 km (0.11 R)
• M3: 1,916,947 km (0.116 R)
• M4: 2,491,553 km (0.094 R)
• M5: 3,142,902 km (0.119 R)
• M6: 3,800,833 km (0.12 R)
• M7: 4,296,750 km (0.071 R)
• M8: 4,811,217 km (0.109 R)
• M9: 6,850,984 km (0.112 R)
• M10: 7,789,711 km (0.065 R)
• M11: 9,184,711 km (0.105 R)
• M12: 10,244,013 km (0.092 R)
• M13: 10,824,453 km (0.104 R)
• M14: 11,960,649 km (0.069 R)
• M15: 13,271,426 km (0.035 R)
• M16: 13,811,923 km (0.082 R)
• M17: 14,418,093 km (0.086 R)
• M18: 15,253,896 km (0.074 R)
• M19: 17,543,492 km (0.117 R)
• M20: 18,985,316 km (0.087 R)
• M21: 19,671,821 km (0.084 R)
• M22: 24,290,057 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.7

Radius: 4.7

Gravity: 42.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.01 AU - 9.89 AU

Year: 14948 Days

Day: 19.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,856,814 km

• M1: 59,690 km (0.12 R)
• M2: 432,338 km (0.114 R)
• M3: 842,535 km (0.114 R)
• M4: 4,693,035 km (0.061 R)
• M5: 6,082,949 km (0.073 R)
• M6: 7,027,958 km (0.108 R)
• M7: 9,588,027 km (0.076 R)
• M8: 11,105,398 km (0.093 R)
• M9: 15,431,469 km (0.114 R)
• M10: 17,670,201 km (0.092 R)
• M11: 18,347,431 km (0.075 R)
• M12: 21,041,838 km (0.114 R)
• M13: 22,581,200 km (0.092 R)
• M14: 30,684,468 km (0.102 R)
• M15: 34,195,680 km (0.043 R)
• M16: 34,456,279 km (0.072 R)
• M17: 35,378,849 km (0.119 R)
• M18: 38,385,168 km (0.094 R)
• M19: 43,359,447 km (0.114 R)
• M20: 43,817,815 km (0.114 R)
• M21: 44,589,141 km (0.079 R)
• M22: 46,158,872 km (0.031 R)
• M23: 52,806,403 km (0.089 R)
• M24: 53,679,606 km (0.107 R)
• M25: 55,995,231 km (0.051 R)
• M26: 56,903,290 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.5

Radius: 4.5

Gravity: 42 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.9 AU - 10.48 AU

Year: 18578 Days

Day: 21.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,856,814 km

• M1: 56,698 km (0.091 R)
• M2: 230,830 km (0.049 R)
• M3: 494,720 km (0.088 R)
• M4: 818,450 km (0.105 R)
• M5: 1,118,094 km (0.106 R)
• M6: 6,504,216 km (0.062 R)
• M7: 6,774,091 km (0.107 R)
• M8: 7,192,965 km (0.049 R)
• M9: 8,082,025 km (0.101 R)
• M10: 15,001,525 km (0.079 R)
• M11: 19,882,754 km (0.101 R)
• M12: 22,627,426 km (0.094 R)
• M13: 25,172,385 km (0.083 R)
• M14: 28,733,562 km (0.103 R)
• M15: 35,713,200 km (0.094 R)
• M16: 36,552,145 km (0.061 R)
• M17: 38,706,953 km (0.095 R)
• M18: 40,490,459 km (0.033 R)
• M19: 56,583,899 km (0.095 R)
• M20: 67,606,569 km (0.034 R)
• M21: 69,320,213 km (0.074 R)
• M22: 70,187,880 km (0.079 R)
• M23: 70,843,268 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit