🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 8.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.77 AU - 1.13 AU

Year: 628 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,155,180 km

• M1: 102,175 km (0.092 R)
• M2: 372,050 km (0.03 R)
• M3: 645,964 km (0.097 R)
• M4: 1,663,977 km (0.07 R)
• M5: 1,978,432 km (0.065 R)
• M6: 2,332,380 km (0.114 R)
• M7: 2,694,557 km (0.12 R)
• M8: 4,267,279 km (0.065 R)
• M9: 5,527,941 km (0.117 R)
• M10: 6,273,836 km (0.047 R)
• M11: 7,370,537 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 13.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.97 AU - 0.99 AU

Year: 658 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,155,180 km

• M1: 170,392 km (0.078 R)
• M2: 599,887 km (0.057 R)
• M3: 1,125,874 km (0.118 R)
• M4: 1,727,556 km (0.073 R)
• M5: 2,926,882 km (0.092 R)
• M6: 3,458,404 km (0.048 R)
• M7: 4,685,405 km (0.116 R)
• M8: 7,525,670 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 9.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.59 AU - 3.29 AU

Year: 3419 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,155,180 km

• M1: 123,119 km (0.079 R)
• M2: 455,974 km (0.109 R)
• M3: 764,445 km (0.084 R)
• M4: 1,229,545 km (0.093 R)
• M5: 1,689,110 km (0.094 R)
• M6: 2,132,069 km (0.116 R)
• M7: 3,321,821 km (0.118 R)
• M8: 4,201,755 km (0.065 R)
• M9: 5,943,224 km (0.086 R)
• M10: 7,623,807 km (0.104 R)
• M11: 8,442,406 km (0.056 R)
• M12: 8,772,569 km (0.055 R)
• M13: 9,493,930 km (0.092 R)
• M14: 9,814,967 km (0.061 R)
• M15: 10,592,427 km (0.054 R)
• M16: 12,269,868 km (0.082 R)
• M17: 13,040,446 km (0.105 R)
• M18: 13,797,561 km (0.065 R)
• M19: 16,756,607 km (0.048 R)
• M20: 17,812,469 km (0.097 R)
• M21: 18,522,161 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 13.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.13 AU - 3.15 AU

Year: 3774 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,155,180 km

• M1: 164,707 km (0.095 R)
• M2: 708,645 km (0.055 R)
• M3: 1,583,793 km (0.03 R)
• M4: 2,035,728 km (0.094 R)
• M5: 3,058,977 km (0.106 R)
• M6: 3,835,689 km (0.099 R)
• M7: 4,715,325 km (0.104 R)
• M8: 5,230,091 km (0.104 R)
• M9: 6,161,936 km (0.076 R)
• M10: 7,168,431 km (0.111 R)
• M11: 9,426,910 km (0.089 R)
• M12: 12,750,376 km (0.116 R)
• M13: 13,245,695 km (0.068 R)
• M14: 14,013,132 km (0.094 R)
• M15: 14,594,469 km (0.073 R)
• M16: 15,413,069 km (0.11 R)
• M17: 16,668,943 km (0.085 R)
• M18: 17,807,532 km (0.055 R)
• M19: 18,302,252 km (0.097 R)
• M20: 20,239,395 km (0.086 R)
• M21: 24,140,160 km (0.083 R)
• M22: 26,147,913 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 6.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.65 AU - 12.29 AU

Year: 22978 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,155,180 km

• M1: 85,869 km (0.086 R)
• M2: 382,821 km (0.082 R)
• M3: 1,211,892 km (0.056 R)
• M4: 2,382,346 km (0.075 R)
• M5: 3,214,409 km (0.118 R)
• M6: 6,425,977 km (0.095 R)
• M7: 6,943,136 km (0.086 R)
• M8: 8,196,168 km (0.112 R)
• M9: 9,797,763 km (0.091 R)
• M10: 13,606,824 km (0.119 R)
• M11: 13,865,179 km (0.117 R)
• M12: 24,065,510 km (0.117 R)
• M13: 25,018,299 km (0.034 R)
• M14: 25,700,017 km (0.082 R)
• M15: 29,510,424 km (0.116 R)
• M16: 43,587,434 km (0.101 R)
• M17: 46,884,421 km (0.065 R)
• M18: 48,819,769 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769

Radius: 4.4

Gravity: 39.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.46 AU - 12.82 AU

Year: 23540 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,155,180 km

• M1: 55,052 km (0.074 R)
• M2: 836,102 km (0.078 R)
• M3: 1,154,896 km (0.074 R)
• M4: 1,398,441 km (0.114 R)
• M5: 1,906,924 km (0.089 R)
• M6: 2,094,221 km (0.097 R)
• M7: 2,457,295 km (0.111 R)
• M8: 5,082,288 km (0.033 R)
• M9: 10,043,552 km (0.059 R)
• M10: 10,293,231 km (0.113 R)
• M11: 20,950,135 km (0.072 R)
• M12: 24,026,615 km (0.118 R)
• M13: 24,925,548 km (0.111 R)
• M14: 28,620,616 km (0.09 R)
• M15: 34,751,585 km (0.089 R)
• M16: 53,968,629 km (0.1 R)
• M17: 59,075,152 km (0.029 R)
• M18: 61,536,935 km (0.11 R)
• M19: 61,953,714 km (0.084 R)
• M20: 67,103,471 km (0.087 R)
• M21: 77,030,038 km (0.103 R)
• M22: 81,209,952 km (0.111 R)
• M23: 82,720,591 km (0.091 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: 209 - 18,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit