🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,930,610 km

• M1: 127,757 km (0.052 R)
• M2: 447,298 km (0.094 R)
• M3: 800,349 km (0.079 R)
• M4: 1,251,985 km (0.118 R)
• M5: 1,736,981 km (0.038 R)
• M6: 2,602,853 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.9

Radius: 14.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.92 AU - 1.18 AU

Year: 730 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,930,610 km

• M1: 177,872 km (0.112 R)
• M2: 624,422 km (0.098 R)
• M3: 1,499,719 km (0.09 R)
• M4: 2,205,372 km (0.108 R)
• M5: 2,828,297 km (0.119 R)
• M6: 3,624,158 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 8.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.92 AU - 1.54 AU

Year: 925 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,930,610 km

• M1: 105,915 km (0.114 R)
• M2: 623,075 km (0.119 R)
• M3: 1,191,697 km (0.083 R)
• M4: 1,685,669 km (0.111 R)
• M5: 2,734,051 km (0.066 R)
• M6: 3,012,752 km (0.111 R)
• M7: 3,361,913 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 14.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.61 AU - 1.89 AU

Year: 1570 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,930,610 km

• M1: 181,612 km (0.046 R)
• M2: 1,086,380 km (0.08 R)
• M3: 1,545,346 km (0.055 R)
• M4: 2,129,675 km (0.053 R)
• M5: 2,748,113 km (0.108 R)
• M6: 3,618,473 km (0.073 R)
• M7: 4,227,486 km (0.085 R)
• M8: 5,198,376 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 11.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.34 AU - 3.7 AU

Year: 3560 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,930,610 km

• M1: 138,228 km (0.091 R)
• M2: 487,390 km (0.062 R)
• M3: 1,573,022 km (0.079 R)
• M4: 1,918,892 km (0.099 R)
• M5: 2,999,886 km (0.084 R)
• M6: 3,753,411 km (0.1 R)
• M7: 4,628,857 km (0.071 R)
• M8: 5,453,740 km (0.041 R)
• M9: 6,961,836 km (0.108 R)
• M10: 10,222,621 km (0.078 R)
• M11: 10,661,092 km (0.076 R)
• M12: 12,496,658 km (0.031 R)
• M13: 14,188,311 km (0.056 R)
• M14: 16,894,088 km (0.073 R)
• M15: 17,395,091 km (0.089 R)
• M16: 18,310,181 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.1

Radius: 6.4

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.84 AU - 6.28 AU

Year: 10118 Days

Day: 23.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,930,610 km

• M1: 84,822 km (0.089 R)
• M2: 322,683 km (0.077 R)
• M3: 685,757 km (0.088 R)
• M4: 1,127,070 km (0.096 R)
• M5: 1,992,045 km (0.093 R)
• M6: 2,700,840 km (0.101 R)
• M7: 4,488,535 km (0.08 R)
• M8: 5,462,865 km (0.096 R)
• M9: 5,760,715 km (0.064 R)
• M10: 7,256,544 km (0.083 R)
• M11: 7,698,306 km (0.033 R)
• M12: 8,724,249 km (0.112 R)
• M13: 8,948,945 km (0.085 R)
• M14: 10,429,664 km (0.115 R)
• M15: 10,631,921 km (0.104 R)
• M16: 12,686,647 km (0.051 R)
• M17: 12,975,222 km (0.108 R)
• M18: 13,327,525 km (0.107 R)
• M19: 16,790,267 km (0.075 R)
• M20: 17,138,381 km (0.04 R)
• M21: 18,284,749 km (0.061 R)
• M22: 19,026,755 km (0.096 R)
• M23: 22,954,896 km (0.076 R)
• M24: 23,818,075 km (0.116 R)
• M25: 27,583,903 km (0.087 R)
• M26: 33,124,409 km (0.103 R)
• M27: 33,672,087 km (0.092 R)
• M28: 36,153,916 km (0.11 R)
• M29: 38,513,523 km (0.098 R)
• M30: 40,349,238 km (0.115 R)
• M31: 42,499,409 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 10,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit