🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 157 Days

Day: 30.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,266,553 km

• M1: 17,802 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.72 AU - 1.98 AU

Year: 943 Days

Day: 42.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.85 AU - 1.95 AU

Year: 981 Days

Day: 32.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.51 AU - 3.69 AU

Year: 2045 Days

Day: 27.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,266,553 km

• M1: 31,266 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.34 AU - 3.42 AU

Year: 2329 Days

Day: 29.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 80.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,266,553 km

• M1: 148,850 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 8.4

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.59 AU - 8.51 AU

Year: 7774 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,266,553 km

• M1: 107,411 km (0.073 R)
• M2: 377,884 km (0.116 R)
• M3: 693,985 km (0.03 R)
• M4: 992,731 km (0.073 R)
• M5: 1,586,785 km (0.07 R)
• M6: 2,455,200 km (0.083 R)
• M7: 3,037,286 km (0.107 R)
• M8: 4,198,913 km (0.087 R)
• M9: 5,310,126 km (0.091 R)
• M10: 6,716,795 km (0.079 R)
• M11: 7,133,126 km (0.025 R)
• M12: 8,017,399 km (0.038 R)
• M13: 8,973,030 km (0.103 R)
• M14: 11,265,767 km (0.092 R)
• M15: 14,044,697 km (0.075 R)
• M16: 16,559,886 km (0.117 R)
• M17: 16,833,800 km (0.026 R)
• M18: 19,060,115 km (0.08 R)
• M19: 21,394,590 km (0.094 R)
• M20: 22,463,018 km (0.087 R)
• M21: 23,223,274 km (0.118 R)
• M22: 26,716,983 km (0.059 R)
• M23: 29,631,748 km (0.094 R)
• M24: 32,323,911 km (0.1 R)
• M25: 35,855,917 km (0.058 R)
• M26: 36,314,734 km (0.055 R)
• M27: 38,070,265 km (0.09 R)
• M28: 41,120,864 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 10.8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.85 AU - 8.59 AU

Year: 8038 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,266,553 km

• M1: 134,937 km (0.115 R)
• M2: 1,297,762 km (0.039 R)
• M3: 1,638,695 km (0.052 R)
• M4: 2,154,808 km (0.092 R)
• M5: 2,961,290 km (0.057 R)
• M6: 6,177,345 km (0.116 R)
• M7: 8,081,576 km (0.076 R)
• M8: 9,675,541 km (0.066 R)
• M9: 14,437,990 km (0.078 R)
• M10: 17,461,063 km (0.03 R)
• M11: 24,287,962 km (0.099 R)
• M12: 26,076,554 km (0.116 R)
• M13: 27,664,386 km (0.046 R)
• M14: 29,713,727 km (0.074 R)
• M15: 31,549,144 km (0.103 R)
• M16: 37,158,466 km (0.112 R)
• M17: 39,649,719 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 10.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.44 AU - 11.1 AU

Year: 13245 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,266,553 km

• M1: 128,056 km (0.12 R)
• M2: 540,198 km (0.088 R)
• M3: 976,724 km (0.05 R)
• M4: 1,331,421 km (0.084 R)
• M5: 1,661,883 km (0.059 R)
• M6: 2,047,845 km (0.093 R)
• M7: 4,115,138 km (0.056 R)
• M8: 4,509,478 km (0.117 R)
• M9: 5,165,764 km (0.119 R)
• M10: 5,884,432 km (0.076 R)
• M11: 7,128,339 km (0.106 R)
• M12: 8,112,094 km (0.094 R)
• M13: 9,234,826 km (0.113 R)
• M14: 11,370,934 km (0.051 R)
• M15: 11,907,093 km (0.062 R)
• M16: 13,551,473 km (0.08 R)
• M17: 14,018,816 km (0.105 R)
• M18: 14,775,034 km (0.118 R)
• M19: 16,822,879 km (0.076 R)
• M20: 17,914,794 km (0.087 R)
• M21: 19,219,736 km (0.047 R)
• M22: 19,725,078 km (0.116 R)
• M23: 24,680,058 km (0.069 R)
• M24: 27,126,731 km (0.096 R)
• M25: 31,093,319 km (0.073 R)
• M26: 35,430,610 km (0.05 R)
• M27: 45,431,826 km (0.092 R)
• M28: 46,479,460 km (0.085 R)
• M29: 47,085,331 km (0.107 R)
• M30: 51,313,865 km (0.073 R)
• M31: 54,269,320 km (0.114 R)
• M32: 54,772,717 km (0.084 R)
• M33: 57,162,992 km (0.107 R)
• M34: 58,208,382 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 14,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit