🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.73 AU - 1.07 AU

Year: 297 Days

Day: 33.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 139.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,659,368 km

• M1: 641,476 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.54 AU - 1.58 AU

Year: 679 Days

Day: 17.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.22 AU - 2.03 AU

Year: 718 Days

Day: 21.1 Hours

Environment

Temp: -20 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.57 AU - 4.31 AU

Year: 2724 Days

Day: 17.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.49 AU - 4.77 AU

Year: 2923 Days

Day: 40.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 8.3

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.76 AU - 6.94 AU

Year: 5573 Days

Day: 8.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,659,368 km

• M1: 103,372 km (0.072 R)
• M2: 381,923 km (0.118 R)
• M3: 752,776 km (0.096 R)
• M4: 1,022,801 km (0.043 R)
• M5: 1,421,778 km (0.039 R)
• M6: 4,399,225 km (0.038 R)
• M7: 5,115,350 km (0.111 R)
• M8: 7,359,318 km (0.086 R)
• M9: 7,904,153 km (0.059 R)
• M10: 8,186,594 km (0.086 R)
• M11: 8,659,772 km (0.072 R)
• M12: 10,189,560 km (0.075 R)
• M13: 11,845,758 km (0.101 R)
• M14: 12,498,752 km (0.092 R)
• M15: 14,867,635 km (0.083 R)
• M16: 22,877,105 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 9.3

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 11.42 AU - 12.2 AU

Year: 14134 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,659,368 km

• M1: 115,789 km (0.117 R)
• M2: 646,562 km (0.084 R)
• M3: 1,035,367 km (0.11 R)
• M4: 1,672,803 km (0.083 R)
• M5: 3,033,546 km (0.104 R)
• M6: 3,440,153 km (0.108 R)
• M7: 3,825,517 km (0.077 R)
• M8: 5,122,979 km (0.092 R)
• M9: 11,276,538 km (0.055 R)
• M10: 13,223,405 km (0.105 R)
• M11: 14,241,717 km (0.091 R)
• M12: 18,342,494 km (0.037 R)
• M13: 18,757,927 km (0.062 R)
• M14: 19,435,755 km (0.044 R)
• M15: 19,954,860 km (0.069 R)
• M16: 22,030,530 km (0.118 R)
• M17: 23,556,728 km (0.085 R)
• M18: 25,152,189 km (0.088 R)
• M19: 25,665,160 km (0.036 R)
• M20: 27,246,260 km (0.113 R)
• M21: 28,005,769 km (0.115 R)
• M22: 30,601,292 km (0.116 R)
• M23: 31,303,803 km (0.074 R)
• M24: 32,619,816 km (0.08 R)
• M25: 39,618,902 km (0.093 R)
• M26: 50,910,100 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627

Radius: 7.2

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 11.54 AU - 17.14 AU

Year: 18911 Days

Day: 15.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,659,368 km

• M1: 89,609 km (0.069 R)
• M2: 391,797 km (0.104 R)
• M3: 920,924 km (0.047 R)
• M4: 3,111,187 km (0.112 R)
• M5: 4,741,953 km (0.108 R)
• M6: 5,060,597 km (0.075 R)
• M7: 9,408,060 km (0.093 R)
• M8: 14,174,697 km (0.118 R)
• M9: 17,360,235 km (0.062 R)
• M10: 21,372,749 km (0.054 R)
• M11: 25,962,860 km (0.047 R)
• M12: 29,718,664 km (0.083 R)
• M13: 31,912,517 km (0.11 R)
• M14: 33,691,834 km (0.118 R)
• M15: 37,865,315 km (0.102 R)
• M16: 48,200,135 km (0.096 R)
• M17: 48,529,699 km (0.118 R)
• M18: 68,642,833 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.8

Radius: 6.2

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 18.84 AU - 20.42 AU

Year: 30288 Days

Day: 23.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,659,368 km

• M1: 79,436 km (0.109 R)
• M2: 1,771,239 km (0.112 R)
• M3: 2,571,887 km (0.094 R)
• M4: 3,188,679 km (0.084 R)
• M5: 3,682,202 km (0.105 R)
• M6: 9,557,509 km (0.116 R)
• M7: 20,515,702 km (0.109 R)
• M8: 21,800,898 km (0.101 R)
• M9: 22,514,779 km (0.104 R)
• M10: 38,908,910 km (0.08 R)
• M11: 39,356,357 km (0.097 R)
• M12: 44,670,373 km (0.091 R)
• M13: 50,443,205 km (0.102 R)
• M14: 55,179,025 km (0.107 R)
• M15: 57,461,440 km (0.076 R)
• M16: 59,608,319 km (0.118 R)
• M17: 64,268,741 km (0.034 R)
• M18: 68,297,262 km (0.107 R)
• M19: 73,168,319 km (0.063 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 16,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit