🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.52 AU - 0.8 AU

Year: 352 Days

Day: 18.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,322,686 km

• M1: 68,965 km (0.115 R)
• M2: 316,998 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 8.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.83 AU - 1.11 AU

Year: 627 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,322,686 km

• M1: 102,325 km (0.053 R)
• M2: 453,581 km (0.097 R)
• M3: 711,039 km (0.089 R)
• M4: 1,302,848 km (0.077 R)
• M5: 1,675,197 km (0.091 R)
• M6: 4,097,934 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 13.2

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.07 AU - 1.23 AU

Year: 809 Days

Day: 8.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,322,686 km

• M1: 170,392 km (0.07 R)
• M2: 741,706 km (0.052 R)
• M3: 1,276,369 km (0.119 R)
• M4: 2,538,377 km (0.044 R)
• M5: 3,032,798 km (0.063 R)
• M6: 3,471,867 km (0.111 R)
• M7: 4,025,978 km (0.12 R)
• M8: 4,479,858 km (0.093 R)
• M9: 5,582,394 km (0.109 R)
• M10: 6,090,578 km (0.109 R)
• M11: 6,795,483 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.9

Radius: 6.2

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.07 AU - 12.03 AU

Year: 20901 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,322,686 km

• M1: 77,193 km (0.105 R)
• M2: 284,685 km (0.112 R)
• M3: 555,307 km (0.091 R)
• M4: 910,602 km (0.085 R)
• M5: 1,126,472 km (0.116 R)
• M6: 1,558,211 km (0.108 R)
• M7: 2,158,847 km (0.06 R)
• M8: 3,496,850 km (0.069 R)
• M9: 4,588,915 km (0.108 R)
• M10: 7,225,278 km (0.06 R)
• M11: 10,223,818 km (0.095 R)
• M12: 13,733,234 km (0.1 R)
• M13: 14,348,081 km (0.072 R)
• M14: 15,965,234 km (0.098 R)
• M15: 16,217,905 km (0.061 R)
• M16: 17,521,351 km (0.099 R)
• M17: 17,880,386 km (0.059 R)
• M18: 20,631,790 km (0.118 R)
• M19: 22,898,497 km (0.081 R)
• M20: 25,098,484 km (0.102 R)
• M21: 28,286,564 km (0.111 R)
• M22: 28,780,686 km (0.054 R)
• M23: 29,532,714 km (0.091 R)
• M24: 36,171,718 km (0.102 R)
• M25: 45,741,943 km (0.082 R)
• M26: 46,422,762 km (0.058 R)
• M27: 52,113,465 km (0.065 R)
• M28: 53,982,840 km (0.066 R)
• M29: 57,262,624 km (0.114 R)
• M30: 64,215,933 km (0.115 R)
• M31: 69,002,766 km (0.099 R)
• M32: 73,788,701 km (0.03 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit