🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.57 AU - 0.61 AU

Year: 293 Days

Day: 46.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,549,679 km

• M1: 41,588 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.53 AU - 0.75 AU

Year: 331 Days

Day: 14 Hours

Environment

Temp: -130 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,549,679 km

• M1: 87,964 km (0.117 R)
• M2: 168,148 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 10.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.1 AU - 1.18 AU

Year: 786 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,549,679 km

• M1: 134,488 km (0.031 R)
• M2: 571,314 km (0.103 R)
• M3: 956,230 km (0.091 R)
• M4: 1,605,933 km (0.077 R)
• M5: 2,014,784 km (0.063 R)
• M6: 2,418,848 km (0.12 R)
• M7: 3,144,098 km (0.081 R)
• M8: 3,828,958 km (0.098 R)
• M9: 4,398,925 km (0.115 R)
• M10: 4,770,377 km (0.063 R)
• M11: 5,511,634 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 12.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.62 AU - 5.64 AU

Year: 7502 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,549,679 km

• M1: 152,440 km (0.084 R)
• M2: 541,993 km (0.11 R)
• M3: 921,224 km (0.116 R)
• M4: 2,952,464 km (0.12 R)
• M5: 3,467,978 km (0.09 R)
• M6: 4,403,413 km (0.068 R)
• M7: 5,244,602 km (0.099 R)
• M8: 6,004,709 km (0.026 R)
• M9: 6,870,282 km (0.054 R)
• M10: 7,315,785 km (0.071 R)
• M11: 7,744,233 km (0.094 R)
• M12: 8,929,198 km (0.103 R)
• M13: 10,542,162 km (0.083 R)
• M14: 11,608,346 km (0.063 R)
• M15: 12,143,158 km (0.111 R)
• M16: 13,001,850 km (0.11 R)
• M17: 13,525,592 km (0.106 R)
• M18: 13,954,639 km (0.088 R)
• M19: 14,559,613 km (0.103 R)
• M20: 16,662,360 km (0.119 R)
• M21: 18,629,124 km (0.062 R)
• M22: 19,093,775 km (0.115 R)
• M23: 21,030,469 km (0.102 R)
• M24: 25,372,098 km (0.051 R)
• M25: 29,733,325 km (0.116 R)
• M26: 31,012,835 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.3

Radius: 3.2

Gravity: 65.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.5 AU - 10.78 AU

Year: 17842 Days

Day: 21.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 25,549,679 km

• M1: 39,793 km (0.099 R)
• M2: 204,201 km (0.081 R)
• M3: 474,973 km (0.059 R)
• M4: 582,085 km (0.102 R)
• M5: 1,354,609 km (0.041 R)
• M6: 1,461,122 km (0.109 R)
• M7: 1,573,321 km (0.059 R)
• M8: 1,925,923 km (0.054 R)
• M9: 2,415,856 km (0.064 R)
• M10: 3,245,077 km (0.088 R)
• M11: 4,345,220 km (0.088 R)
• M12: 4,510,675 km (0.114 R)
• M13: 6,620,155 km (0.119 R)
• M14: 7,621,563 km (0.096 R)
• M15: 11,040,024 km (0.116 R)
• M16: 12,111,892 km (0.116 R)
• M17: 12,909,099 km (0.032 R)
• M18: 13,459,620 km (0.097 R)
• M19: 18,872,669 km (0.056 R)
• M20: 19,136,260 km (0.053 R)
• M21: 19,402,395 km (0.05 R)
• M22: 20,956,717 km (0.114 R)
• M23: 22,005,548 km (0.111 R)
• M24: 23,088,935 km (0.043 R)
• M25: 24,207,179 km (0.109 R)
• M26: 28,578,280 km (0.093 R)
• M27: 29,866,467 km (0.118 R)
• M28: 32,181,644 km (0.114 R)
• M29: 49,122,106 km (0.117 R)
• M30: 61,846,153 km (0.08 R)
• M31: 62,233,163 km (0.098 R)
• M32: 67,005,185 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.6

Radius: 7.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10 AU - 11.3 AU

Year: 22441 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,549,679 km

• M1: 103,671 km (0.111 R)
• M2: 593,604 km (0.108 R)
• M3: 1,038,060 km (0.117 R)
• M4: 1,764,058 km (0.118 R)
• M5: 2,150,170 km (0.112 R)
• M6: 3,203,938 km (0.094 R)
• M7: 3,930,385 km (0.083 R)
• M8: 8,314,650 km (0.028 R)
• M9: 10,328,387 km (0.078 R)
• M10: 12,363,067 km (0.053 R)
• M11: 14,080,002 km (0.11 R)
• M12: 17,148,703 km (0.066 R)
• M13: 22,335,710 km (0.111 R)
• M14: 22,757,127 km (0.113 R)
• M15: 23,471,008 km (0.058 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 19,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit