🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.65 AU

Year: 175 Days

Day: 33.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,646,063 km

• M1: 64,925 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.7 AU - 1.04 AU

Year: 306 Days

Day: 20.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.06 AU - 1.18 AU

Year: 447 Days

Day: 15.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,646,063 km

• M1: 265,237 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.89 AU - 4.21 AU

Year: 2520 Days

Day: 17.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,646,063 km

• M1: 605,273 km (0.067 R)

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 13.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.94 AU - 6.18 AU

Year: 5620 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,646,063 km

• M1: 173,833 km (0.083 R)
• M2: 609,013 km (0.084 R)
• M3: 1,067,979 km (0.086 R)
• M4: 1,853,518 km (0.084 R)
• M5: 3,438,806 km (0.053 R)
• M6: 4,472,378 km (0.119 R)
• M7: 6,689,418 km (0.059 R)
• M8: 7,407,488 km (0.053 R)
• M9: 8,704,651 km (0.104 R)
• M10: 11,847,703 km (0.098 R)
• M11: 12,313,999 km (0.103 R)
• M12: 13,063,634 km (0.114 R)
• M13: 13,505,546 km (0.065 R)
• M14: 16,243,935 km (0.09 R)
• M15: 17,277,656 km (0.095 R)
• M16: 20,792,010 km (0.051 R)
• M17: 23,600,111 km (0.108 R)
• M18: 24,423,049 km (0.104 R)
• M19: 27,006,904 km (0.101 R)
• M20: 35,097,605 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 9.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.49 AU - 10.63 AU

Year: 10274 Days

Day: 13 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,646,063 km

• M1: 119,529 km (0.111 R)
• M2: 438,172 km (0.091 R)
• M3: 740,210 km (0.068 R)
• M4: 1,244,205 km (0.086 R)
• M5: 2,091,827 km (0.114 R)
• M6: 2,708,021 km (0.106 R)
• M7: 3,175,664 km (0.096 R)
• M8: 6,866,841 km (0.099 R)
• M9: 7,543,622 km (0.067 R)
• M10: 8,305,524 km (0.082 R)
• M11: 8,684,007 km (0.076 R)
• M12: 9,030,027 km (0.073 R)
• M13: 9,385,172 km (0.072 R)
• M14: 10,029,340 km (0.093 R)
• M15: 11,303,316 km (0.099 R)
• M16: 11,926,391 km (0.073 R)
• M17: 12,627,107 km (0.115 R)
• M18: 13,412,197 km (0.059 R)
• M19: 13,758,367 km (0.085 R)
• M20: 14,589,532 km (0.09 R)
• M21: 15,141,399 km (0.114 R)
• M22: 18,748,952 km (0.112 R)
• M23: 19,695,906 km (0.105 R)
• M24: 21,137,132 km (0.117 R)
• M25: 25,089,059 km (0.099 R)
• M26: 30,788,139 km (0.094 R)
• M27: 31,088,831 km (0.115 R)
• M28: 33,777,404 km (0.119 R)
• M29: 35,616,859 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 14.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.42 AU - 11.66 AU

Year: 11101 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,646,063 km

• M1: 208,689 km (0.102 R)
• M2: 862,881 km (0.049 R)
• M3: 1,340,397 km (0.071 R)
• M4: 1,868,926 km (0.111 R)
• M5: 2,342,403 km (0.097 R)
• M6: 3,054,938 km (0.085 R)
• M7: 3,668,439 km (0.114 R)
• M8: 5,112,806 km (0.103 R)
• M9: 5,837,309 km (0.1 R)
• M10: 7,113,977 km (0.114 R)
• M11: 7,708,928 km (0.057 R)
• M12: 8,199,758 km (0.059 R)
• M13: 8,663,811 km (0.079 R)
• M14: 9,850,272 km (0.04 R)
• M15: 11,086,399 km (0.076 R)
• M16: 12,243,389 km (0.088 R)
• M17: 16,490,173 km (0.098 R)
• M18: 17,459,418 km (0.111 R)
• M19: 17,996,773 km (0.089 R)
• M20: 21,808,228 km (0.12 R)
• M21: 24,661,658 km (0.088 R)
• M22: 27,137,353 km (0.053 R)
• M23: 28,172,720 km (0.056 R)
• M24: 29,126,855 km (0.033 R)
• M25: 30,653,651 km (0.087 R)
• M26: 33,160,014 km (0.096 R)
• M27: 35,923,535 km (0.077 R)
• M28: 40,284,911 km (0.107 R)
• M29: 41,495,906 km (0.114 R)
• M30: 43,287,939 km (0.106 R)
• M31: 46,583,879 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 11,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit