🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.46 AU - 0.6 AU

Year: 253 Days

Day: 41.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 9.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.76 AU - 0.82 AU

Year: 461 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,096,897 km

• M1: 118,182 km (0.073 R)
• M2: 434,283 km (0.078 R)
• M3: 738,265 km (0.068 R)
• M4: 1,483,263 km (0.105 R)
• M5: 1,966,314 km (0.107 R)
• M6: 2,350,332 km (0.106 R)
• M7: 2,646,835 km (0.12 R)
• M8: 3,160,704 km (0.084 R)
• M9: 3,776,897 km (0.117 R)
• M10: 4,279,845 km (0.114 R)
• M11: 4,696,625 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 14

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.95 AU - 1.21 AU

Year: 736 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,096,897 km

• M1: 174,730 km (0.063 R)
• M2: 962,363 km (0.09 R)
• M3: 1,457,981 km (0.111 R)
• M4: 2,008,351 km (0.114 R)
• M5: 2,626,191 km (0.099 R)
• M6: 3,762,386 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.9

Radius: 6.1

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.58 AU - 9.86 AU

Year: 16892 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,096,897 km

• M1: 75,996 km (0.094 R)
• M2: 279,000 km (0.107 R)
• M3: 670,647 km (0.115 R)
• M4: 987,047 km (0.087 R)
• M5: 1,442,123 km (0.103 R)
• M6: 1,653,505 km (0.081 R)
• M7: 2,158,548 km (0.083 R)
• M8: 2,761,277 km (0.086 R)
• M9: 3,138,713 km (0.112 R)
• M10: 3,796,794 km (0.094 R)
• M11: 4,670,894 km (0.085 R)
• M12: 5,241,909 km (0.093 R)
• M13: 5,635,501 km (0.069 R)
• M14: 5,895,951 km (0.062 R)
• M15: 7,277,787 km (0.087 R)
• M16: 8,912,592 km (0.086 R)
• M17: 11,237,942 km (0.107 R)
• M18: 14,006,549 km (0.072 R)
• M19: 14,833,826 km (0.065 R)
• M20: 20,147,093 km (0.077 R)
• M21: 21,110,952 km (0.097 R)
• M22: 22,474,537 km (0.111 R)
• M23: 24,480,644 km (0.054 R)
• M24: 24,875,882 km (0.083 R)
• M25: 25,882,526 km (0.09 R)
• M26: 28,735,806 km (0.11 R)
• M27: 34,684,416 km (0.106 R)
• M28: 40,434,360 km (0.105 R)
• M29: 42,247,336 km (0.098 R)
• M30: 42,958,973 km (0.058 R)
• M31: 44,699,245 km (0.064 R)
• M32: 44,993,804 km (0.076 R)
• M33: 47,549,833 km (0.054 R)
• M34: 52,293,880 km (0.111 R)
• M35: 55,626,023 km (0.058 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: 485 - 15,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit