🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 8.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.64 AU - 4.1 AU

Year: 3300 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,580,227 km

• M1: 102,923 km (0.117 R)
• M2: 366,664 km (0.032 R)
• M3: 682,316 km (0.087 R)
• M4: 952,041 km (0.1 R)
• M5: 1,303,446 km (0.054 R)
• M6: 1,560,755 km (0.109 R)
• M7: 1,887,028 km (0.098 R)
• M8: 2,784,016 km (0.071 R)
• M9: 3,353,535 km (0.055 R)
• M10: 3,844,067 km (0.069 R)
• M11: 4,789,376 km (0.061 R)
• M12: 5,082,737 km (0.064 R)
• M13: 7,160,951 km (0.05 R)
• M14: 8,781,844 km (0.033 R)
• M15: 9,153,744 km (0.064 R)
• M16: 9,677,785 km (0.116 R)
• M17: 10,001,814 km (0.075 R)
• M18: 10,633,566 km (0.1 R)
• M19: 12,017,646 km (0.118 R)
• M20: 12,350,052 km (0.096 R)
• M21: 15,139,155 km (0.101 R)
• M22: 15,429,524 km (0.09 R)
• M23: 15,872,184 km (0.095 R)
• M24: 16,424,500 km (0.094 R)
• M25: 16,989,681 km (0.106 R)
• M26: 18,267,695 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15

Radius: 8.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.04 AU - 5.22 AU

Year: 4318 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,580,227 km

• M1: 104,868 km (0.108 R)
• M2: 414,835 km (0.117 R)
• M3: 1,248,693 km (0.063 R)
• M4: 2,104,094 km (0.092 R)
• M5: 4,046,772 km (0.079 R)
• M6: 5,325,086 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 9.1

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.02 AU - 6.68 AU

Year: 6936 Days

Day: 13.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,580,227 km

• M1: 113,246 km (0.096 R)
• M2: 427,850 km (0.038 R)
• M3: 792,869 km (0.035 R)
• M4: 1,535,921 km (0.116 R)
• M5: 1,978,133 km (0.086 R)
• M6: 2,685,880 km (0.106 R)
• M7: 3,057,481 km (0.107 R)
• M8: 3,508,070 km (0.084 R)
• M9: 4,844,577 km (0.109 R)
• M10: 5,705,513 km (0.093 R)
• M11: 6,390,223 km (0.112 R)
• M12: 6,770,201 km (0.115 R)
• M13: 7,201,941 km (0.072 R)
• M14: 7,499,790 km (0.047 R)
• M15: 9,958,581 km (0.097 R)
• M16: 10,282,161 km (0.08 R)
• M17: 11,394,870 km (0.097 R)
• M18: 13,019,203 km (0.053 R)
• M19: 16,399,218 km (0.1 R)
• M20: 17,444,009 km (0.025 R)
• M21: 21,604,625 km (0.093 R)
• M22: 24,831,451 km (0.103 R)
• M23: 26,295,267 km (0.068 R)
• M24: 33,962,457 km (0.067 R)
• M25: 35,014,728 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 14.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.52 AU - 10.92 AU

Year: 12135 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,580,227 km

• M1: 177,872 km (0.107 R)
• M2: 876,494 km (0.111 R)
• M3: 1,785,750 km (0.112 R)
• M4: 2,572,784 km (0.058 R)
• M5: 7,068,350 km (0.041 R)
• M6: 7,569,503 km (0.094 R)
• M7: 8,135,731 km (0.114 R)
• M8: 12,646,106 km (0.111 R)
• M9: 13,213,681 km (0.114 R)
• M10: 16,310,805 km (0.103 R)
• M11: 16,915,630 km (0.101 R)
• M12: 28,458,901 km (0.077 R)
• M13: 30,433,742 km (0.111 R)
• M14: 34,764,900 km (0.078 R)
• M15: 38,183,211 km (0.119 R)
• M16: 41,694,871 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.3

Radius: 4.8

Gravity: 37.17 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 14.02 AU - 15.04 AU

Year: 24008 Days

Day: 22.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,580,227 km

• M1: 157,826 km (0.086 R)
• M2: 319,092 km (0.055 R)
• M3: 490,531 km (0.078 R)
• M4: 756,367 km (0.027 R)
• M5: 1,099,544 km (0.059 R)
• M6: 1,723,667 km (0.093 R)
• M7: 2,483,624 km (0.061 R)
• M8: 3,294,744 km (0.113 R)
• M9: 4,633,046 km (0.094 R)
• M10: 7,212,413 km (0.082 R)
• M11: 7,887,398 km (0.119 R)
• M12: 8,212,774 km (0.079 R)
• M13: 9,543,297 km (0.114 R)
• M14: 11,349,392 km (0.084 R)
• M15: 13,524,396 km (0.075 R)
• M16: 14,628,278 km (0.105 R)
• M17: 25,821,640 km (0.094 R)
• M18: 26,178,281 km (0.091 R)
• M19: 32,617,273 km (0.075 R)
• M20: 35,904,087 km (0.077 R)
• M21: 38,316,353 km (0.093 R)
• M22: 39,562,054 km (0.068 R)
• M23: 43,460,874 km (0.078 R)
• M24: 46,197,618 km (0.109 R)
• M25: 57,280,875 km (0.069 R)
• M26: 65,945,584 km (0.118 R)
• M27: 66,167,138 km (0.061 R)
• M28: 66,389,291 km (0.094 R)
• M29: 73,761,325 km (0.046 R)
• M30: 81,150,861 km (0.086 R)
• M31: 84,500,656 km (0.118 R)
• M32: 92,302,933 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 15,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit