🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 8.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.93 AU - 1.47 AU

Year: 877 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,764,990 km

• M1: 103,372 km (0.072 R)
• M2: 507,286 km (0.113 R)
• M3: 834,008 km (0.049 R)
• M4: 1,768,696 km (0.09 R)
• M5: 2,128,329 km (0.116 R)
• M6: 3,358,921 km (0.106 R)
• M7: 3,714,216 km (0.087 R)
• M8: 4,107,658 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 12.6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.12 AU - 2.7 AU

Year: 2495 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,764,990 km

• M1: 156,629 km (0.103 R)
• M2: 649,704 km (0.057 R)
• M3: 1,087,876 km (0.051 R)
• M4: 1,642,435 km (0.111 R)
• M5: 2,049,940 km (0.102 R)
• M6: 4,019,096 km (0.075 R)
• M7: 4,772,322 km (0.076 R)
• M8: 5,195,235 km (0.055 R)
• M9: 7,205,082 km (0.093 R)
• M10: 8,021,288 km (0.065 R)
• M11: 8,553,557 km (0.089 R)
• M12: 9,578,452 km (0.118 R)
• M13: 11,999,694 km (0.045 R)
• M14: 15,151,422 km (0.071 R)
• M15: 16,756,757 km (0.091 R)
• M16: 17,628,314 km (0.059 R)
• M17: 18,644,831 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 11.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.04 AU - 3.18 AU

Year: 3657 Days

Day: 13.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,764,990 km

• M1: 144,960 km (0.073 R)
• M2: 533,466 km (0.114 R)
• M3: 925,562 km (0.114 R)
• M4: 1,508,844 km (0.08 R)
• M5: 2,356,017 km (0.092 R)
• M6: 3,534,698 km (0.062 R)
• M7: 3,949,683 km (0.115 R)
• M8: 6,085,342 km (0.072 R)
• M9: 6,509,602 km (0.108 R)
• M10: 7,738,399 km (0.045 R)
• M11: 8,721,855 km (0.087 R)
• M12: 15,439,099 km (0.115 R)
• M13: 15,964,038 km (0.074 R)
• M14: 17,895,645 km (0.093 R)
• M15: 19,247,112 km (0.073 R)
• M16: 20,476,508 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 10.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.93 AU - 3.39 AU

Year: 3746 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,764,990 km

• M1: 126,859 km (0.06 R)
• M2: 505,042 km (0.096 R)
• M3: 838,795 km (0.07 R)
• M4: 1,317,957 km (0.104 R)
• M5: 1,925,624 km (0.076 R)
• M6: 2,442,484 km (0.075 R)
• M7: 2,901,301 km (0.107 R)
• M8: 3,380,912 km (0.075 R)
• M9: 3,993,066 km (0.119 R)
• M10: 5,488,895 km (0.118 R)
• M11: 7,266,866 km (0.093 R)
• M12: 8,121,519 km (0.054 R)
• M13: 8,454,524 km (0.118 R)
• M14: 8,831,510 km (0.086 R)
• M15: 10,648,825 km (0.046 R)
• M16: 11,962,743 km (0.096 R)
• M17: 14,227,356 km (0.091 R)
• M18: 15,562,367 km (0.119 R)
• M19: 17,087,368 km (0.119 R)
• M20: 17,580,293 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 5.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.94 AU - 6.66 AU

Year: 9315 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,764,990 km

• M1: 75,397 km (0.096 R)
• M2: 260,749 km (0.118 R)
• M3: 505,192 km (0.098 R)
• M4: 1,121,834 km (0.075 R)
• M5: 1,620,743 km (0.101 R)
• M6: 1,948,662 km (0.07 R)
• M7: 2,367,237 km (0.038 R)
• M8: 2,954,109 km (0.052 R)
• M9: 3,342,016 km (0.077 R)
• M10: 4,219,258 km (0.114 R)
• M11: 4,510,077 km (0.042 R)
• M12: 5,351,415 km (0.107 R)
• M13: 6,292,984 km (0.086 R)
• M14: 6,737,738 km (0.1 R)
• M15: 7,654,624 km (0.03 R)
• M16: 8,651,993 km (0.105 R)
• M17: 9,733,137 km (0.119 R)
• M18: 11,310,945 km (0.068 R)
• M19: 11,730,567 km (0.103 R)
• M20: 12,850,008 km (0.075 R)
• M21: 13,051,816 km (0.086 R)
• M22: 20,203,342 km (0.11 R)
• M23: 22,822,801 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.8

Radius: 6.1

Gravity: 20.04 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.31 AU - 10.61 AU

Year: 20961 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,764,990 km

• M1: 76,594 km (0.063 R)
• M2: 425,307 km (0.114 R)
• M3: 889,060 km (0.054 R)
• M4: 2,232,748 km (0.069 R)
• M5: 3,594,986 km (0.105 R)
• M6: 16,312,900 km (0.092 R)
• M7: 18,121,837 km (0.038 R)
• M8: 28,712,020 km (0.093 R)
• M9: 29,322,978 km (0.056 R)
• M10: 29,693,681 km (0.071 R)
• M11: 35,356,858 km (0.113 R)
• M12: 39,707,912 km (0.099 R)
• M13: 41,699,359 km (0.083 R)
• M14: 46,212,877 km (0.114 R)
• M15: 49,106,249 km (0.118 R)
• M16: 54,875,940 km (0.118 R)
• M17: 62,294,797 km (0.095 R)
• M18: 67,738,664 km (0.1 R)
• M19: 79,560,636 km (0.117 R)
• M20: 79,800,591 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit