🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 8.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.77 AU - 0.83 AU

Year: 462 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,201,474 km

• M1: 100,679 km (0.119 R)
• M2: 369,956 km (0.089 R)
• M3: 630,854 km (0.112 R)
• M4: 932,743 km (0.06 R)
• M5: 1,201,570 km (0.087 R)
• M6: 1,535,772 km (0.032 R)
• M7: 1,848,880 km (0.056 R)
• M8: 2,154,359 km (0.102 R)
• M9: 2,558,124 km (0.073 R)
• M10: 3,149,334 km (0.117 R)
• M11: 3,425,941 km (0.042 R)
• M12: 3,965,241 km (0.104 R)
• M13: 4,756,464 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 13

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.84 AU - 0.98 AU

Year: 561 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,201,474 km

• M1: 161,715 km (0.03 R)
• M2: 606,171 km (0.057 R)
• M3: 1,065,286 km (0.067 R)
• M4: 1,695,542 km (0.034 R)
• M5: 2,216,442 km (0.106 R)
• M6: 2,784,764 km (0.091 R)
• M7: 3,205,733 km (0.076 R)
• M8: 3,911,984 km (0.068 R)
• M9: 4,891,102 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 10.1

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.44 AU - 1.84 AU

Year: 1356 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,201,474 km

• M1: 125,662 km (0.117 R)
• M2: 449,242 km (0.081 R)
• M3: 1,072,018 km (0.107 R)
• M4: 1,487,152 km (0.094 R)
• M5: 2,030,193 km (0.059 R)
• M6: 2,421,541 km (0.095 R)
• M7: 3,296,987 km (0.04 R)
• M8: 3,642,708 km (0.082 R)
• M9: 4,135,484 km (0.063 R)
• M10: 4,672,390 km (0.114 R)
• M11: 5,531,830 km (0.097 R)
• M12: 6,184,376 km (0.106 R)
• M13: 6,862,354 km (0.092 R)
• M14: 7,482,287 km (0.109 R)
• M15: 7,888,445 km (0.104 R)
• M16: 8,685,952 km (0.054 R)
• M17: 9,757,372 km (0.111 R)
• M18: 10,374,762 km (0.042 R)
• M19: 11,580,072 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 12.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.35 AU - 1.99 AU

Year: 1393 Days

Day: 7.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,201,474 km

• M1: 159,322 km (0.096 R)
• M2: 570,417 km (0.07 R)
• M3: 1,018,163 km (0.119 R)
• M4: 1,828,236 km (0.107 R)
• M5: 3,382,109 km (0.118 R)
• M6: 5,763,258 km (0.086 R)
• M7: 6,282,662 km (0.091 R)
• M8: 6,789,799 km (0.112 R)
• M9: 7,278,535 km (0.109 R)
• M10: 8,031,461 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 9.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.97 AU - 4.93 AU

Year: 6061 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,201,474 km

• M1: 113,246 km (0.075 R)
• M2: 526,734 km (0.097 R)
• M3: 895,642 km (0.084 R)
• M4: 2,993,753 km (0.055 R)
• M5: 4,378,131 km (0.12 R)
• M6: 5,555,167 km (0.116 R)
• M7: 5,981,820 km (0.1 R)
• M8: 6,840,811 km (0.118 R)
• M9: 7,911,184 km (0.075 R)
• M10: 11,490,313 km (0.048 R)
• M11: 12,183,999 km (0.082 R)
• M12: 14,186,815 km (0.095 R)
• M13: 15,189,270 km (0.103 R)
• M14: 15,655,567 km (0.069 R)
• M15: 16,077,882 km (0.119 R)
• M16: 16,780,543 km (0.061 R)
• M17: 17,616,645 km (0.093 R)
• M18: 19,614,076 km (0.12 R)
• M19: 20,353,688 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.5

Radius: 5.4

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.31 AU - 8.33 AU

Year: 11500 Days

Day: 17.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,201,474 km

• M1: 67,768 km (0.082 R)
• M2: 497,712 km (0.081 R)
• M3: 860,188 km (0.094 R)
• M4: 1,094,757 km (0.094 R)
• M5: 1,797,269 km (0.113 R)
• M6: 2,547,353 km (0.118 R)
• M7: 2,949,920 km (0.102 R)
• M8: 3,188,828 km (0.046 R)
• M9: 3,487,725 km (0.102 R)
• M10: 4,195,173 km (0.097 R)
• M11: 4,814,807 km (0.083 R)
• M12: 5,085,131 km (0.116 R)
• M13: 6,269,198 km (0.086 R)
• M14: 10,703,428 km (0.107 R)
• M15: 11,216,250 km (0.108 R)
• M16: 13,315,557 km (0.102 R)
• M17: 13,788,585 km (0.07 R)
• M18: 14,090,025 km (0.088 R)
• M19: 18,056,762 km (0.1 R)
• M20: 19,377,861 km (0.064 R)
• M21: 22,459,128 km (0.097 R)
• M22: 23,812,391 km (0.061 R)
• M23: 24,509,068 km (0.048 R)
• M24: 25,219,209 km (0.114 R)
• M25: 26,034,368 km (0.059 R)
• M26: 27,242,670 km (0.114 R)
• M27: 27,717,194 km (0.091 R)
• M28: 29,670,494 km (0.087 R)
• M29: 31,713,851 km (0.08 R)
• M30: 33,848,912 km (0.076 R)
• M31: 34,397,338 km (0.092 R)
• M32: 39,602,296 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 11,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit