🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.69 AU - 0.89 AU

Year: 255 Days

Day: 26.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.86 AU - 1.28 AU

Year: 402 Days

Day: 22.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.1 AU - 5 AU

Year: 2962 Days

Day: 12.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 9.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.23 AU - 5.65 AU

Year: 3990 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,856,813 km

• M1: 123,119 km (0.11 R)
• M2: 535,860 km (0.114 R)
• M3: 1,009,038 km (0.108 R)
• M4: 2,094,071 km (0.11 R)
• M5: 2,694,557 km (0.115 R)
• M6: 3,279,634 km (0.101 R)
• M7: 4,028,970 km (0.113 R)
• M8: 6,190,809 km (0.085 R)
• M9: 8,236,111 km (0.112 R)
• M10: 13,097,742 km (0.106 R)
• M11: 13,655,742 km (0.038 R)
• M12: 14,326,689 km (0.111 R)
• M13: 15,120,156 km (0.106 R)
• M14: 16,525,179 km (0.066 R)
• M15: 18,822,554 km (0.08 R)
• M16: 20,200,500 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 13.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.7 AU - 5.7 AU

Year: 4946 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,856,813 km

• M1: 166,652 km (0.076 R)
• M2: 896,839 km (0.089 R)
• M3: 1,523,954 km (0.1 R)
• M4: 3,196,458 km (0.112 R)
• M5: 3,682,950 km (0.081 R)
• M6: 4,349,708 km (0.118 R)
• M7: 4,901,574 km (0.058 R)
• M8: 5,898,644 km (0.034 R)
• M9: 7,369,640 km (0.11 R)
• M10: 11,705,585 km (0.104 R)
• M11: 15,067,647 km (0.098 R)
• M12: 15,852,737 km (0.058 R)
• M13: 16,500,196 km (0.083 R)
• M14: 17,675,736 km (0.056 R)
• M15: 19,512,200 km (0.116 R)
• M16: 21,018,950 km (0.046 R)
• M17: 22,399,888 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.7

Radius: 15

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.77 AU - 11.53 AU

Year: 12631 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 94,856,813 km

• M1: 186,549 km (0.084 R)
• M2: 1,130,062 km (0.109 R)
• M3: 1,656,796 km (0.109 R)
• M4: 2,291,839 km (0.071 R)
• M5: 2,833,234 km (0.111 R)
• M6: 3,780,338 km (0.102 R)
• M7: 6,661,743 km (0.111 R)
• M8: 8,100,874 km (0.107 R)
• M9: 9,529,085 km (0.037 R)
• M10: 10,720,483 km (0.09 R)
• M11: 13,795,467 km (0.112 R)
• M12: 15,462,885 km (0.098 R)
• M13: 16,196,064 km (0.051 R)
• M14: 17,890,858 km (0.046 R)
• M15: 18,617,156 km (0.044 R)
• M16: 19,363,200 km (0.109 R)
• M17: 20,650,789 km (0.115 R)
• M18: 21,721,312 km (0.111 R)
• M19: 23,779,778 km (0.106 R)
• M20: 27,851,084 km (0.106 R)
• M21: 28,717,705 km (0.098 R)
• M22: 33,444,848 km (0.096 R)
• M23: 35,171,058 km (0.07 R)
• M24: 35,801,912 km (0.077 R)
• M25: 44,116,711 km (0.058 R)
• M26: 46,342,578 km (0.056 R)
• M27: 47,867,429 km (0.071 R)
• M28: 53,137,164 km (0.082 R)
• M29: 53,801,079 km (0.098 R)
• M30: 58,428,440 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.7

Radius: 5.9

Gravity: 17.54 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 14.5 AU - 22.98 AU

Year: 29484 Days

Day: 24.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 81.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,856,813 km

• M1: 75,248 km (0.05 R)
• M2: 317,147 km (0.119 R)
• M3: 654,191 km (0.067 R)
• M4: 877,990 km (0.114 R)
• M5: 2,556,478 km (0.105 R)
• M6: 4,874,497 km (0.05 R)
• M7: 5,826,538 km (0.057 R)
• M8: 9,420,028 km (0.072 R)
• M9: 12,720,606 km (0.092 R)
• M10: 16,452,774 km (0.031 R)
• M11: 18,662,634 km (0.092 R)
• M12: 21,271,620 km (0.111 R)
• M13: 28,965,439 km (0.073 R)
• M14: 37,249,571 km (0.096 R)
• M15: 39,423,826 km (0.071 R)
• M16: 43,513,981 km (0.114 R)
• M17: 51,762,359 km (0.077 R)
• M18: 55,254,722 km (0.076 R)
• M19: 57,058,273 km (0.098 R)
• M20: 60,150,910 km (0.079 R)
• M21: 60,571,430 km (0.066 R)
• M22: 71,029,518 km (0.071 R)
• M23: 73,399,746 km (0.089 R)
• M24: 86,579,618 km (0.107 R)
• M25: 94,006,255 km (0.103 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 20,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit