🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.48 AU - 0.56 AU

Year: 246 Days

Day: 23.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,995,724 km

• M1: 327,619 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 42.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.61 AU - 0.69 AU

Year: 344 Days

Day: 42.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 9.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.74 AU - 0.98 AU

Year: 523 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,995,724 km

• M1: 119,379 km (0.083 R)
• M2: 565,480 km (0.103 R)
• M3: 957,576 km (0.047 R)
• M4: 1,716,785 km (0.057 R)
• M5: 2,577,123 km (0.064 R)
• M6: 3,053,293 km (0.107 R)
• M7: 3,402,604 km (0.034 R)
• M8: 3,714,216 km (0.093 R)
• M9: 4,280,743 km (0.071 R)
• M10: 5,156,938 km (0.116 R)
• M11: 5,603,637 km (0.039 R)
• M12: 5,951,003 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.7

Radius: 11.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.02 AU - 1.38 AU

Year: 862 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,995,724 km

• M1: 148,102 km (0.116 R)
• M2: 536,458 km (0.068 R)
• M3: 932,444 km (0.08 R)
• M4: 1,408,015 km (0.108 R)
• M5: 2,045,003 km (0.056 R)
• M6: 2,567,249 km (0.073 R)
• M7: 3,113,580 km (0.092 R)
• M8: 3,882,663 km (0.099 R)
• M9: 4,894,693 km (0.078 R)
• M10: 5,875,905 km (0.08 R)
• M11: 8,127,353 km (0.097 R)
• M12: 8,577,493 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 13

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.37 AU - 1.89 AU

Year: 1365 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,995,724 km

• M1: 161,865 km (0.115 R)
• M2: 760,256 km (0.1 R)
• M3: 1,175,390 km (0.11 R)
• M4: 1,757,326 km (0.078 R)
• M5: 2,651,323 km (0.116 R)
• M6: 3,202,142 km (0.086 R)
• M7: 3,960,454 km (0.054 R)
• M8: 5,108,019 km (0.106 R)
• M9: 6,702,134 km (0.112 R)
• M10: 7,394,324 km (0.034 R)
• M11: 8,106,559 km (0.107 R)
• M12: 8,806,378 km (0.087 R)
• M13: 10,135,705 km (0.103 R)
• M14: 11,285,514 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.5

Radius: 4.9

Gravity: 24.51 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.96 AU - 8.88 AU

Year: 13259 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,995,724 km

• M1: 60,886 km (0.077 R)
• M2: 425,905 km (0.058 R)
• M3: 782,995 km (0.111 R)
• M4: 1,048,980 km (0.108 R)
• M5: 1,373,159 km (0.098 R)
• M6: 1,529,339 km (0.03 R)
• M7: 1,777,971 km (0.1 R)
• M8: 2,376,063 km (0.111 R)
• M9: 5,373,256 km (0.103 R)
• M10: 5,837,608 km (0.114 R)
• M11: 6,969,017 km (0.117 R)
• M12: 7,520,883 km (0.081 R)
• M13: 8,379,126 km (0.101 R)
• M14: 9,101,385 km (0.1 R)
• M15: 10,074,669 km (0.086 R)
• M16: 10,724,073 km (0.109 R)
• M17: 11,400,854 km (0.106 R)
• M18: 11,808,658 km (0.101 R)
• M19: 12,045,920 km (0.05 R)
• M20: 13,216,822 km (0.11 R)
• M21: 14,529,394 km (0.074 R)
• M22: 15,357,269 km (0.094 R)
• M23: 16,509,471 km (0.109 R)
• M24: 21,607,617 km (0.059 R)
• M25: 22,321,797 km (0.059 R)
• M26: 24,080,919 km (0.1 R)
• M27: 24,558,734 km (0.068 R)
• M28: 25,930,397 km (0.079 R)
• M29: 27,872,327 km (0.099 R)
• M30: 29,039,789 km (0.113 R)
• M31: 31,699,490 km (0.118 R)
• M32: 38,657,885 km (0.085 R)
• M33: 46,273,913 km (0.113 R)
• M34: 51,134,647 km (0.059 R)
• M35: 53,041,720 km (0.097 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: 511 - 17,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit