🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 414 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,309,917 km

• M1: 181,911 km (0.073 R)
• M2: 1,002,755 km (0.1 R)
• M3: 1,951,055 km (0.112 R)
• M4: 2,637,111 km (0.076 R)
• M5: 3,176,860 km (0.066 R)
• M6: 3,914,378 km (0.071 R)
• M7: 4,663,414 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.1

Radius: 9.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.43 AU - 2.27 AU

Year: 1707 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,309,917 km

• M1: 121,473 km (0.057 R)
• M2: 471,532 km (0.111 R)
• M3: 1,059,153 km (0.109 R)
• M4: 1,362,089 km (0.119 R)
• M5: 1,963,771 km (0.095 R)
• M6: 2,772,049 km (0.036 R)
• M7: 3,524,227 km (0.093 R)
• M8: 5,825,491 km (0.115 R)
• M9: 6,262,466 km (0.11 R)
• M10: 7,835,637 km (0.115 R)
• M11: 8,368,804 km (0.1 R)
• M12: 9,359,740 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.7

Radius: 9.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.97 AU - 2.57 AU

Year: 2320 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,309,917 km

• M1: 119,529 km (0.106 R)
• M2: 499,657 km (0.068 R)
• M3: 1,094,757 km (0.067 R)
• M4: 1,459,327 km (0.073 R)
• M5: 3,443,294 km (0.066 R)
• M6: 4,183,953 km (0.068 R)
• M7: 4,740,906 km (0.117 R)
• M8: 5,048,031 km (0.102 R)
• M9: 5,456,134 km (0.057 R)
• M10: 7,725,084 km (0.084 R)
• M11: 8,065,120 km (0.098 R)
• M12: 10,320,458 km (0.088 R)
• M13: 11,446,481 km (0.093 R)
• M14: 12,001,639 km (0.119 R)
• M15: 12,769,674 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 13.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.99 AU - 2.79 AU

Year: 2506 Days

Day: 6.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,309,917 km

• M1: 164,109 km (0.065 R)
• M2: 612,454 km (0.093 R)
• M3: 1,170,155 km (0.088 R)
• M4: 1,682,078 km (0.111 R)
• M5: 3,502,236 km (0.118 R)
• M6: 4,950,493 km (0.099 R)
• M7: 5,913,753 km (0.029 R)
• M8: 7,343,311 km (0.109 R)
• M9: 7,981,196 km (0.082 R)
• M10: 9,821,100 km (0.083 R)
• M11: 10,527,352 km (0.07 R)
• M12: 11,267,263 km (0.069 R)
• M13: 12,616,336 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 9.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.08 AU - 6.18 AU

Year: 7881 Days

Day: 11.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,309,917 km

• M1: 125,213 km (0.086 R)
• M2: 898,186 km (0.029 R)
• M3: 1,367,175 km (0.058 R)
• M4: 2,029,594 km (0.099 R)
• M5: 3,966,588 km (0.067 R)
• M6: 4,471,630 km (0.108 R)
• M7: 5,196,132 km (0.111 R)
• M8: 9,156,586 km (0.116 R)
• M9: 9,625,576 km (0.086 R)
• M10: 10,794,384 km (0.102 R)
• M11: 12,055,344 km (0.079 R)
• M12: 13,625,972 km (0.096 R)
• M13: 15,942,645 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.5

Radius: 5.3

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.97 AU - 9.07 AU

Year: 15405 Days

Day: 20 Hours

Environment

Temp: -241 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,309,917 km

• M1: 65,973 km (0.067 R)
• M2: 514,467 km (0.059 R)
• M3: 773,720 km (0.071 R)
• M4: 1,498,671 km (0.077 R)
• M5: 1,997,580 km (0.118 R)
• M6: 2,579,516 km (0.082 R)
• M7: 3,073,339 km (0.073 R)
• M8: 3,317,782 km (0.098 R)
• M9: 4,247,233 km (0.044 R)
• M10: 5,620,392 km (0.092 R)
• M11: 6,290,740 km (0.106 R)
• M12: 8,813,259 km (0.088 R)
• M13: 9,008,784 km (0.1 R)
• M14: 9,408,360 km (0.078 R)
• M15: 11,702,742 km (0.106 R)
• M16: 14,144,329 km (0.09 R)
• M17: 14,412,408 km (0.051 R)
• M18: 16,755,710 km (0.106 R)
• M19: 17,900,283 km (0.107 R)
• M20: 18,531,586 km (0.079 R)
• M21: 19,014,637 km (0.102 R)
• M22: 20,005,873 km (0.108 R)
• M23: 21,822,889 km (0.114 R)
• M24: 23,652,770 km (0.108 R)
• M25: 24,508,619 km (0.091 R)
• M26: 26,181,423 km (0.056 R)
• M27: 26,994,188 km (0.096 R)
• M28: 30,082,037 km (0.108 R)
• M29: 35,081,748 km (0.1 R)
• M30: 35,326,939 km (0.103 R)
• M31: 36,194,008 km (0.113 R)
• M32: 36,948,280 km (0.115 R)
• M33: 39,538,717 km (0.084 R)
• M34: 40,070,837 km (0.112 R)
• M35: 43,930,911 km (0.059 R)
• M36: 49,555,791 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 14,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit