🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 14.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,181,601 km

• M1: 177,573 km (0.091 R)
• M2: 619,186 km (0.088 R)
• M3: 1,234,332 km (0.066 R)
• M4: 1,836,314 km (0.101 R)
• M5: 2,658,504 km (0.12 R)
• M6: 3,216,953 km (0.032 R)
• M7: 3,738,002 km (0.038 R)
• M8: 4,328,016 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.3

Radius: 13

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.35 AU - 1.35 AU

Year: 1083 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,181,601 km

• M1: 165,006 km (0.105 R)
• M2: 588,219 km (0.097 R)
• M3: 1,068,278 km (0.052 R)
• M4: 1,495,231 km (0.109 R)
• M5: 1,953,449 km (0.06 R)
• M6: 2,494,844 km (0.111 R)
• M7: 3,517,345 km (0.117 R)
• M8: 4,085,518 km (0.115 R)
• M9: 4,645,163 km (0.094 R)
• M10: 5,255,822 km (0.082 R)
• M11: 5,858,701 km (0.107 R)
• M12: 6,485,816 km (0.111 R)
• M13: 6,905,737 km (0.083 R)
• M14: 8,276,502 km (0.071 R)
• M15: 9,176,333 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 11.4

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.56 AU - 2.74 AU

Year: 2978 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,181,601 km

• M1: 148,999 km (0.111 R)
• M2: 514,467 km (0.11 R)
• M3: 869,762 km (0.116 R)
• M4: 1,941,780 km (0.087 R)
• M5: 3,057,182 km (0.112 R)
• M6: 3,523,927 km (0.052 R)
• M7: 4,914,440 km (0.065 R)
• M8: 6,017,574 km (0.056 R)
• M9: 6,419,993 km (0.098 R)
• M10: 7,042,619 km (0.108 R)
• M11: 7,987,928 km (0.093 R)
• M12: 8,507,930 km (0.104 R)
• M13: 9,085,079 km (0.1 R)
• M14: 9,944,219 km (0.072 R)
• M15: 10,778,676 km (0.067 R)
• M16: 12,286,324 km (0.069 R)
• M17: 12,848,064 km (0.082 R)
• M18: 13,291,920 km (0.09 R)
• M19: 14,210,003 km (0.093 R)
• M20: 14,684,826 km (0.098 R)
• M21: 16,019,538 km (0.075 R)
• M22: 16,585,916 km (0.108 R)
• M23: 17,326,126 km (0.111 R)
• M24: 18,198,731 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 3

Gravity: 61.48 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.04 AU - 11.38 AU

Year: 19293 Days

Day: 18.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,181,601 km

• M1: 37,549 km (0.112 R)
• M2: 252,521 km (0.102 R)
• M3: 1,183,768 km (0.034 R)
• M4: 3,427,287 km (0.068 R)
• M5: 5,768,045 km (0.114 R)
• M6: 6,089,381 km (0.093 R)
• M7: 6,636,760 km (0.06 R)
• M8: 6,767,508 km (0.112 R)
• M9: 7,079,420 km (0.077 R)
• M10: 10,273,185 km (0.111 R)
• M11: 14,310,383 km (0.061 R)
• M12: 14,823,653 km (0.115 R)
• M13: 19,825,757 km (0.066 R)
• M14: 27,046,248 km (0.106 R)
• M15: 30,151,002 km (0.089 R)
• M16: 33,998,809 km (0.089 R)
• M17: 46,517,607 km (0.115 R)
• M18: 48,617,812 km (0.029 R)
• M19: 51,288,284 km (0.098 R)
• M20: 56,013,632 km (0.105 R)
• M21: 66,722,146 km (0.046 R)
• M22: 68,974,342 km (0.11 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: 381 - 17,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit