🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.85 AU - 1.01 AU

Year: 323 Days

Day: 44.7 Hours

Environment

Temp: 95 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.03 AU - 1.17 AU

Year: 415 Days

Day: 31.1 Hours

Environment

Temp: 25 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.91 AU - 1.41 AU

Year: 450 Days

Day: 38.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.22 AU - 1.5 AU

Year: 571 Days

Day: 22 Hours

Environment

Temp: -11 °C

Axial Tilt: 57.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.65 AU - 2.91 AU

Year: 1668 Days

Day: 21.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,984,127 km

• M1: 1,608,327 km (0.067 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.57 AU - 5.09 AU

Year: 3243 Days

Day: 36.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,984,127 km

• M1: 1,350,570 km (0.087 R)

Asteroid Belt

Center: 7.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 8.2

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.32 AU - 11.72 AU

Year: 14072 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,984,127 km

• M1: 102,026 km (0.093 R)
• M2: 483,052 km (0.037 R)
• M3: 1,083,687 km (0.115 R)
• M4: 1,429,856 km (0.097 R)
• M5: 1,781,860 km (0.102 R)
• M6: 2,060,411 km (0.049 R)
• M7: 2,575,926 km (0.09 R)
• M8: 3,428,484 km (0.093 R)
• M9: 4,093,895 km (0.107 R)
• M10: 4,809,572 km (0.12 R)
• M11: 5,533,476 km (0.092 R)
• M12: 6,487,760 km (0.085 R)
• M13: 11,299,576 km (0.103 R)
• M14: 12,077,784 km (0.088 R)
• M15: 13,475,477 km (0.116 R)
• M16: 14,009,392 km (0.083 R)
• M17: 14,626,932 km (0.094 R)
• M18: 14,977,739 km (0.065 R)
• M19: 15,916,316 km (0.048 R)
• M20: 17,357,691 km (0.09 R)
• M21: 18,069,927 km (0.07 R)
• M22: 20,673,079 km (0.071 R)
• M23: 22,758,922 km (0.097 R)
• M24: 26,196,233 km (0.064 R)
• M25: 29,073,449 km (0.119 R)
• M26: 37,631,344 km (0.09 R)
• M27: 43,989,104 km (0.069 R)
• M28: 49,437,608 km (0.029 R)
• M29: 55,659,085 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152

Radius: 7.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 10.92 AU - 14.44 AU

Year: 16250 Days

Day: 17.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,984,127 km

• M1: 106,214 km (0.064 R)
• M2: 357,389 km (0.106 R)
• M3: 1,560,007 km (0.103 R)
• M4: 1,840,951 km (0.069 R)
• M5: 2,189,066 km (0.036 R)
• M6: 2,734,200 km (0.046 R)
• M7: 3,693,571 km (0.096 R)
• M8: 7,389,686 km (0.076 R)
• M9: 11,495,400 km (0.119 R)
• M10: 12,844,772 km (0.118 R)
• M11: 14,236,481 km (0.09 R)
• M12: 16,708,137 km (0.088 R)
• M13: 17,385,068 km (0.105 R)
• M14: 19,378,160 km (0.07 R)
• M15: 19,749,462 km (0.118 R)
• M16: 21,047,373 km (0.099 R)
• M17: 30,050,921 km (0.105 R)
• M18: 31,662,539 km (0.094 R)
• M19: 38,452,786 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.5

Radius: 4.9

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 13.61 AU - 16.81 AU

Year: 21348 Days

Day: 15.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,984,127 km

• M1: 62,083 km (0.04 R)
• M2: 452,683 km (0.061 R)
• M3: 1,171,501 km (0.1 R)
• M4: 2,617,963 km (0.076 R)
• M5: 3,068,252 km (0.113 R)
• M6: 4,899,031 km (0.112 R)
• M7: 8,293,407 km (0.088 R)
• M8: 8,792,316 km (0.081 R)
• M9: 9,523,849 km (0.077 R)
• M10: 13,594,108 km (0.049 R)
• M11: 14,930,017 km (0.106 R)
• M12: 15,295,634 km (0.094 R)
• M13: 16,428,389 km (0.057 R)
• M14: 20,697,165 km (0.119 R)
• M15: 22,650,913 km (0.102 R)
• M16: 30,512,580 km (0.114 R)
• M17: 30,864,883 km (0.098 R)
• M18: 35,048,836 km (0.1 R)
• M19: 37,543,979 km (0.102 R)
• M20: 41,576,539 km (0.086 R)
• M21: 43,474,488 km (0.097 R)
• M22: 44,821,616 km (0.067 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 13,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit