🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.51 AU - 0.69 AU

Year: 174 Days

Day: 36.7 Hours

Environment

Temp: 180 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,758,981 km

• M1: 39,195 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.87 AU

Year: 258 Days

Day: 18.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.77 AU - 0.93 AU

Year: 294 Days

Day: 28.9 Hours

Environment

Temp: 130 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,758,981 km

• M1: 24,833 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.47 AU

Year: 517 Days

Day: 30.4 Hours

Environment

Temp: -4 °C

Axial Tilt: 41.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 103,758,981 km

• M1: 312,360 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.36 AU - 1.58 AU

Year: 668 Days

Day: 29.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 14.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.78 AU - 5.92 AU

Year: 4003 Days

Day: 10.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 103,758,981 km

• M1: 176,675 km (0.057 R)
• M2: 920,177 km (0.11 R)
• M3: 1,406,519 km (0.102 R)
• M4: 1,916,349 km (0.057 R)
• M5: 2,903,395 km (0.116 R)
• M6: 4,409,696 km (0.052 R)
• M7: 6,549,245 km (0.105 R)
• M8: 9,379,338 km (0.085 R)
• M9: 10,644,188 km (0.118 R)
• M10: 11,103,004 km (0.073 R)
• M11: 11,615,227 km (0.099 R)
• M12: 13,116,293 km (0.075 R)
• M13: 14,370,521 km (0.118 R)
• M14: 17,589,119 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.4

Radius: 3.7

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 17.81 AU - 18.03 AU

Year: 28427 Days

Day: 16.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 103,758,981 km

• M1: 46,375 km (0.072 R)
• M2: 337,942 km (0.079 R)
• M3: 509,530 km (0.038 R)
• M4: 864,676 km (0.109 R)
• M5: 4,331,606 km (0.118 R)
• M6: 6,912,618 km (0.103 R)
• M7: 8,655,284 km (0.064 R)
• M8: 8,980,809 km (0.027 R)
• M9: 16,486,882 km (0.113 R)
• M10: 18,192,298 km (0.107 R)
• M11: 39,114,906 km (0.058 R)
• M12: 41,818,738 km (0.096 R)
• M13: 50,150,741 km (0.086 R)
• M14: 53,698,904 km (0.1 R)
• M15: 56,279,617 km (0.07 R)
• M16: 57,031,944 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.7

Radius: 4.6

Gravity: 38.03 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.6 AU - 20.04 AU

Year: 29384 Days

Day: 22.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 103,758,981 km

• M1: 57,446 km (0.107 R)
• M2: 240,853 km (0.103 R)
• M3: 435,928 km (0.044 R)
• M4: 713,881 km (0.055 R)
• M5: 886,816 km (0.099 R)
• M6: 1,716,785 km (0.098 R)
• M7: 2,075,820 km (0.043 R)
• M8: 2,746,617 km (0.041 R)
• M9: 3,750,119 km (0.114 R)
• M10: 4,855,348 km (0.074 R)
• M11: 5,099,941 km (0.057 R)
• M12: 5,352,761 km (0.044 R)
• M13: 5,929,162 km (0.103 R)
• M14: 6,595,022 km (0.082 R)
• M15: 6,895,265 km (0.091 R)
• M16: 7,469,122 km (0.077 R)
• M17: 13,412,646 km (0.078 R)
• M18: 14,057,562 km (0.116 R)
• M19: 23,479,984 km (0.085 R)
• M20: 25,987,544 km (0.084 R)
• M21: 27,369,678 km (0.078 R)
• M22: 29,871,104 km (0.12 R)
• M23: 39,249,545 km (0.088 R)
• M24: 43,110,067 km (0.101 R)
• M25: 54,154,280 km (0.052 R)
• M26: 55,989,097 km (0.097 R)
• M27: 56,609,779 km (0.109 R)
• M28: 61,961,792 km (0.108 R)
• M29: 66,247,771 km (0.113 R)
• M30: 69,053,928 km (0.066 R)
• M31: 69,529,350 km (0.078 R)
• M32: 82,132,373 km (0.117 R)
• M33: 83,201,698 km (0.102 R)
• M34: 86,190,215 km (0.114 R)
• M35: 94,995,994 km (0.075 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: 162 - 14,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit