🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 10.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.03 AU

Year: 513 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,000,192 km

• M1: 126,859 km (0.096 R)
• M2: 456,124 km (0.104 R)
• M3: 787,034 km (0.1 R)
• M4: 1,321,398 km (0.074 R)
• M5: 1,709,904 km (0.12 R)
• M6: 2,665,535 km (0.062 R)
• M7: 3,112,683 km (0.114 R)
• M8: 3,846,610 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.33 AU - 1.81 AU

Year: 1312 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,000,192 km

• M1: 111,899 km (0.106 R)
• M2: 445,802 km (0.11 R)
• M3: 956,379 km (0.117 R)
• M4: 1,316,611 km (0.114 R)
• M5: 1,655,300 km (0.074 R)
• M6: 2,088,835 km (0.105 R)
• M7: 3,099,069 km (0.071 R)
• M8: 3,464,687 km (0.044 R)
• M9: 3,973,020 km (0.07 R)
• M10: 4,390,099 km (0.098 R)
• M11: 4,786,982 km (0.12 R)
• M12: 5,819,208 km (0.063 R)
• M13: 6,200,832 km (0.11 R)
• M14: 7,142,251 km (0.062 R)
• M15: 7,424,991 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 12.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.23 AU - 2.87 AU

Year: 2715 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,000,192 km

• M1: 153,039 km (0.081 R)
• M2: 689,497 km (0.098 R)
• M3: 1,309,580 km (0.049 R)
• M4: 2,553,486 km (0.12 R)
• M5: 3,231,015 km (0.088 R)
• M6: 6,055,423 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.9

Radius: 5.8

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.07 AU - 7.19 AU

Year: 11384 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,000,192 km

• M1: 72,106 km (0.105 R)
• M2: 426,055 km (0.116 R)
• M3: 3,497,897 km (0.098 R)
• M4: 3,685,643 km (0.068 R)
• M5: 4,695,877 km (0.112 R)
• M6: 5,127,018 km (0.088 R)
• M7: 5,547,987 km (0.117 R)
• M8: 6,539,073 km (0.053 R)
• M9: 7,378,017 km (0.09 R)
• M10: 7,778,042 km (0.105 R)
• M11: 9,165,862 km (0.106 R)
• M12: 9,524,148 km (0.099 R)
• M13: 14,929,120 km (0.107 R)
• M14: 17,754,574 km (0.066 R)
• M15: 32,618,469 km (0.1 R)
• M16: 37,709,434 km (0.115 R)
• M17: 39,696,992 km (0.067 R)
• M18: 44,895,817 km (0.096 R)
• M19: 55,600,293 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.7

Radius: 5

Gravity: 33.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.63 AU - 11.43 AU

Year: 22786 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,000,192 km

• M1: 62,532 km (0.107 R)
• M2: 348,563 km (0.107 R)
• M3: 1,123,031 km (0.096 R)
• M4: 1,329,775 km (0.067 R)
• M5: 2,216,741 km (0.118 R)
• M6: 2,693,958 km (0.04 R)
• M7: 3,785,275 km (0.086 R)
• M8: 4,720,860 km (0.056 R)
• M9: 6,468,014 km (0.11 R)
• M10: 9,175,735 km (0.111 R)
• M11: 21,942,268 km (0.11 R)
• M12: 23,547,902 km (0.116 R)
• M13: 24,100,067 km (0.114 R)
• M14: 39,923,932 km (0.082 R)
• M15: 64,035,518 km (0.077 R)
• M16: 64,249,443 km (0.107 R)
• M17: 82,195,503 km (0.12 R)
• M18: 85,262,409 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.3

Radius: 7.6

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.24 AU - 12.9 AU

Year: 22916 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,000,192 km

• M1: 94,546 km (0.115 R)
• M2: 352,153 km (0.1 R)
• M3: 714,928 km (0.079 R)
• M4: 1,059,901 km (0.119 R)
• M5: 1,349,223 km (0.113 R)
• M6: 1,600,548 km (0.1 R)
• M7: 2,335,971 km (0.091 R)
• M8: 4,787,730 km (0.081 R)
• M9: 7,001,330 km (0.115 R)
• M10: 7,923,451 km (0.061 R)
• M11: 8,413,683 km (0.08 R)
• M12: 9,157,484 km (0.077 R)
• M13: 9,697,532 km (0.077 R)
• M14: 11,040,024 km (0.114 R)
• M15: 11,860,718 km (0.09 R)
• M16: 14,010,888 km (0.073 R)
• M17: 15,219,190 km (0.113 R)
• M18: 21,264,589 km (0.089 R)
• M19: 24,870,945 km (0.091 R)
• M20: 25,921,122 km (0.074 R)
• M21: 34,972,990 km (0.113 R)
• M22: 41,401,959 km (0.083 R)
• M23: 44,893,274 km (0.089 R)
• M24: 56,138,546 km (0.057 R)
• M25: 60,406,274 km (0.067 R)
• M26: 61,242,975 km (0.044 R)
• M27: 67,541,344 km (0.05 R)
• M28: 76,186,605 km (0.103 R)
• M29: 81,406,823 km (0.077 R)
• M30: 88,462,307 km (0.106 R)
• M31: 90,901,800 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 12,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit