🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.25 AU - 1.85 AU

Year: 678 Days

Day: 20.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,898,620 km

• M1: 21,093 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.34 AU - 1.88 AU

Year: 718 Days

Day: 34.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.6 AU - 1.64 AU

Year: 725 Days

Day: 42.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.22 AU - 2.7 AU

Year: 1356 Days

Day: 22.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,898,620 km

• M1: 146,307 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.27 AU - 5.67 AU

Year: 3894 Days

Day: 43.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.54 AU - 5.4 AU

Year: 3894 Days

Day: 34.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 10.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.5 AU - 7.94 AU

Year: 7539 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,898,620 km

• M1: 136,433 km (0.09 R)
• M2: 476,170 km (0.12 R)
• M3: 873,801 km (0.114 R)
• M4: 2,170,665 km (0.096 R)
• M5: 3,187,482 km (0.098 R)
• M6: 4,128,153 km (0.076 R)
• M7: 6,357,311 km (0.112 R)
• M8: 6,716,795 km (0.084 R)
• M9: 7,476,752 km (0.099 R)
• M10: 8,178,516 km (0.109 R)
• M11: 9,167,956 km (0.071 R)
• M12: 9,543,147 km (0.094 R)
• M13: 11,053,936 km (0.068 R)
• M14: 13,772,279 km (0.119 R)
• M15: 14,600,303 km (0.066 R)
• M16: 15,755,349 km (0.094 R)
• M17: 16,477,009 km (0.099 R)
• M18: 21,062,034 km (0.095 R)
• M19: 23,066,645 km (0.088 R)
• M20: 25,439,716 km (0.099 R)
• M21: 27,366,088 km (0.073 R)
• M22: 30,851,718 km (0.102 R)

Asteroid Belt

Center: 8.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 10.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.88 AU - 11.2 AU

Year: 10356 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,898,620 km

• M1: 133,142 km (0.064 R)
• M2: 606,171 km (0.091 R)
• M3: 1,222,514 km (0.106 R)
• M4: 2,354,670 km (0.079 R)
• M5: 3,836,587 km (0.116 R)
• M6: 4,730,135 km (0.06 R)
• M7: 5,309,378 km (0.096 R)
• M8: 6,192,005 km (0.117 R)
• M9: 11,214,006 km (0.112 R)
• M10: 12,127,451 km (0.088 R)
• M11: 12,542,285 km (0.077 R)
• M12: 13,400,678 km (0.102 R)
• M13: 14,962,629 km (0.069 R)
• M14: 15,440,146 km (0.115 R)
• M15: 16,497,952 km (0.115 R)
• M16: 18,757,329 km (0.099 R)
• M17: 19,153,015 km (0.11 R)
• M18: 20,207,980 km (0.064 R)
• M19: 22,168,609 km (0.081 R)
• M20: 26,464,911 km (0.118 R)
• M21: 28,080,717 km (0.027 R)
• M22: 28,598,775 km (0.094 R)
• M23: 29,334,946 km (0.054 R)
• M24: 30,083,683 km (0.08 R)
• M25: 36,050,095 km (0.103 R)
• M26: 36,662,399 km (0.095 R)
• M27: 38,413,442 km (0.086 R)
• M28: 39,180,730 km (0.096 R)
• M29: 41,812,306 km (0.102 R)
• M30: 45,123,056 km (0.109 R)
• M31: 48,753,497 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.1

Radius: 6.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 15.49 AU - 24.89 AU

Year: 31885 Days

Day: 20.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,898,620 km

• M1: 80,783 km (0.111 R)
• M2: 292,913 km (0.1 R)
• M3: 555,756 km (0.069 R)
• M4: 808,576 km (0.095 R)
• M5: 1,149,959 km (0.105 R)
• M6: 2,082,702 km (0.114 R)
• M7: 2,420,942 km (0.11 R)
• M8: 6,453,652 km (0.089 R)
• M9: 8,970,786 km (0.102 R)
• M10: 10,816,973 km (0.067 R)
• M11: 11,706,781 km (0.092 R)
• M12: 12,326,416 km (0.049 R)
• M13: 15,682,195 km (0.107 R)
• M14: 19,600,762 km (0.052 R)
• M15: 28,190,223 km (0.11 R)
• M16: 33,174,973 km (0.087 R)
• M17: 42,206,346 km (0.092 R)
• M18: 48,531,195 km (0.072 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 12,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit