🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.67 AU - 0.69 AU

Year: 211 Days

Day: 15.4 Hours

Environment

Temp: 134 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.86 AU - 2.78 AU

Year: 1331 Days

Day: 14.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.57 AU - 3.07 AU

Year: 1784 Days

Day: 37.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.47 AU - 3.41 AU

Year: 1899 Days

Day: 22.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.21 AU - 3.29 AU

Year: 2207 Days

Day: 15.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,306,574 km

• M1: 507,735 km (0.085 R)
• M2: 647,160 km (0.068 R)

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 14

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.51 AU - 6.83 AU

Year: 5086 Days

Day: 8.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,306,574 km

• M1: 174,282 km (0.085 R)
• M2: 677,080 km (0.114 R)
• M3: 1,165,816 km (0.112 R)
• M4: 1,871,769 km (0.111 R)
• M5: 2,459,389 km (0.07 R)
• M6: 3,428,035 km (0.087 R)
• M7: 4,269,224 km (0.111 R)
• M8: 5,552,923 km (0.096 R)
• M9: 6,054,076 km (0.101 R)
• M10: 7,528,962 km (0.11 R)
• M11: 11,504,974 km (0.107 R)
• M12: 12,422,009 km (0.117 R)
• M13: 12,923,910 km (0.041 R)
• M14: 13,755,225 km (0.088 R)
• M15: 14,732,698 km (0.094 R)
• M16: 16,285,075 km (0.037 R)
• M17: 17,691,444 km (0.082 R)
• M18: 19,177,400 km (0.079 R)
• M19: 21,309,917 km (0.092 R)
• M20: 22,544,399 km (0.082 R)
• M21: 26,123,528 km (0.12 R)
• M22: 27,200,034 km (0.085 R)
• M23: 29,001,193 km (0.115 R)
• M24: 29,618,882 km (0.084 R)
• M25: 30,155,340 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.6

Radius: 8

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 10.18 AU - 15.2 AU

Year: 17030 Days

Day: 23.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,306,574 km

• M1: 102,923 km (0.049 R)
• M2: 654,790 km (0.113 R)
• M3: 920,625 km (0.099 R)
• M4: 3,184,490 km (0.113 R)
• M5: 3,562,972 km (0.05 R)
• M6: 4,313,505 km (0.088 R)
• M7: 4,986,546 km (0.111 R)
• M8: 5,311,472 km (0.085 R)
• M9: 5,924,076 km (0.097 R)
• M10: 9,658,338 km (0.055 R)
• M11: 10,687,870 km (0.09 R)
• M12: 14,285,849 km (0.067 R)
• M13: 14,575,321 km (0.117 R)
• M14: 16,316,789 km (0.094 R)
• M15: 19,138,654 km (0.11 R)
• M16: 19,668,230 km (0.108 R)
• M17: 23,552,689 km (0.043 R)
• M18: 29,177,270 km (0.07 R)
• M19: 33,429,140 km (0.113 R)
• M20: 37,251,067 km (0.097 R)
• M21: 39,055,067 km (0.057 R)
• M22: 41,648,197 km (0.031 R)
• M23: 46,696,078 km (0.117 R)
• M24: 57,255,144 km (0.088 R)
• M25: 59,467,398 km (0.092 R)
• M26: 62,312,001 km (0.068 R)
• M27: 68,271,083 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.4

Radius: 3.5

Gravity: 31.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 15.13 AU - 16.83 AU

Year: 24065 Days

Day: 24.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,306,574 km

• M1: 45,627 km (0.1 R)
• M2: 166,652 km (0.085 R)
• M3: 406,158 km (0.107 R)
• M4: 657,483 km (0.067 R)
• M5: 956,678 km (0.112 R)
• M6: 4,435,427 km (0.081 R)
• M7: 5,063,589 km (0.117 R)
• M8: 6,238,979 km (0.113 R)
• M9: 7,162,447 km (0.04 R)
• M10: 7,442,344 km (0.116 R)
• M11: 11,017,434 km (0.084 R)
• M12: 12,424,851 km (0.103 R)
• M13: 12,693,080 km (0.038 R)
• M14: 13,240,908 km (0.115 R)
• M15: 14,457,288 km (0.105 R)
• M16: 17,693,539 km (0.104 R)
• M17: 24,802,429 km (0.09 R)
• M18: 26,531,631 km (0.038 R)
• M19: 31,573,977 km (0.118 R)
• M20: 33,602,075 km (0.093 R)
• M21: 37,357,281 km (0.055 R)
• M22: 45,370,790 km (0.108 R)
• M23: 48,112,321 km (0.079 R)
• M24: 52,864,896 km (0.085 R)
• M25: 53,568,454 km (0.116 R)
• M26: 56,079,903 km (0.098 R)
• M27: 68,771,787 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 14,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit