🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 8.9

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.69 AU - 0.95 AU

Year: 513 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,717,026 km

• M1: 110,702 km (0.111 R)
• M2: 399,875 km (0.072 R)
• M3: 772,075 km (0.056 R)
• M4: 1,453,942 km (0.102 R)
• M5: 1,859,053 km (0.113 R)
• M6: 2,254,590 km (0.09 R)
• M7: 3,263,029 km (0.104 R)
• M8: 3,569,555 km (0.1 R)
• M9: 5,073,612 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 8.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.47 AU - 1.97 AU

Year: 1557 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,717,026 km

• M1: 105,766 km (0.115 R)
• M2: 440,267 km (0.06 R)
• M3: 710,739 km (0.097 R)
• M4: 1,032,225 km (0.032 R)
• M5: 1,410,708 km (0.066 R)
• M6: 2,324,153 km (0.069 R)
• M7: 2,970,415 km (0.101 R)
• M8: 3,744,584 km (0.049 R)
• M9: 4,390,398 km (0.056 R)
• M10: 4,978,019 km (0.036 R)
• M11: 6,234,491 km (0.114 R)
• M12: 6,559,567 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 12.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.09 AU - 2.75 AU

Year: 2599 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,717,026 km

• M1: 157,975 km (0.092 R)
• M2: 562,937 km (0.1 R)
• M3: 2,449,516 km (0.048 R)
• M4: 2,962,187 km (0.105 R)
• M5: 3,508,668 km (0.094 R)
• M6: 4,185,000 km (0.049 R)
• M7: 4,994,175 km (0.114 R)
• M8: 6,571,984 km (0.108 R)
• M9: 8,597,689 km (0.105 R)
• M10: 9,678,533 km (0.117 R)
• M11: 10,290,987 km (0.08 R)
• M12: 10,726,915 km (0.108 R)
• M13: 11,466,826 km (0.095 R)
• M14: 14,425,423 km (0.051 R)
• M15: 16,642,015 km (0.103 R)
• M16: 17,746,646 km (0.099 R)
• M17: 18,317,062 km (0.116 R)
• M18: 19,017,629 km (0.082 R)
• M19: 19,857,472 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 11.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.91 AU - 4.73 AU

Year: 5154 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,717,026 km

• M1: 141,968 km (0.092 R)
• M2: 507,137 km (0.109 R)
• M3: 977,024 km (0.059 R)
• M4: 1,551,180 km (0.084 R)
• M5: 2,023,610 km (0.109 R)
• M6: 2,382,047 km (0.057 R)
• M7: 2,874,972 km (0.065 R)
• M8: 4,412,240 km (0.102 R)
• M9: 5,443,867 km (0.073 R)
• M10: 8,523,189 km (0.074 R)
• M11: 9,754,679 km (0.101 R)
• M12: 11,859,820 km (0.066 R)
• M13: 14,298,265 km (0.057 R)
• M14: 16,283,279 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.7

Radius: 5.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.53 AU - 6.51 AU

Year: 10195 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,717,026 km

• M1: 83,924 km (0.103 R)
• M2: 484,248 km (0.103 R)
• M3: 708,047 km (0.081 R)
• M4: 874,549 km (0.096 R)
• M5: 1,148,313 km (0.107 R)
• M6: 2,775,788 km (0.091 R)
• M7: 6,100,751 km (0.119 R)
• M8: 6,603,400 km (0.114 R)
• M9: 8,438,367 km (0.117 R)
• M10: 9,147,311 km (0.09 R)
• M11: 9,626,773 km (0.104 R)
• M12: 15,017,981 km (0.083 R)
• M13: 22,913,008 km (0.11 R)
• M14: 25,885,967 km (0.096 R)
• M15: 31,297,670 km (0.065 R)
• M16: 31,689,616 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.5

Radius: 5.3

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.88 AU - 6.36 AU

Year: 10451 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,717,026 km

• M1: 65,973 km (0.04 R)
• M2: 335,698 km (0.087 R)
• M3: 563,086 km (0.097 R)
• M4: 853,755 km (0.116 R)
• M5: 1,675,047 km (0.067 R)
• M6: 3,226,527 km (0.105 R)
• M7: 3,543,226 km (0.069 R)
• M8: 5,547,837 km (0.064 R)
• M9: 5,966,711 km (0.044 R)
• M10: 9,855,957 km (0.092 R)
• M11: 11,660,855 km (0.11 R)
• M12: 11,829,900 km (0.115 R)
• M13: 14,962,031 km (0.073 R)
• M14: 15,363,402 km (0.1 R)
• M15: 16,327,860 km (0.117 R)
• M16: 18,452,748 km (0.088 R)
• M17: 20,182,847 km (0.11 R)
• M18: 21,422,565 km (0.085 R)
• M19: 22,712,248 km (0.114 R)
• M20: 28,389,786 km (0.082 R)
• M21: 31,227,209 km (0.103 R)
• M22: 32,102,805 km (0.088 R)
• M23: 34,132,699 km (0.057 R)
• M24: 48,571,287 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 16,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit