🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.94 AU - 1.38 AU

Year: 447 Days

Day: 19.7 Hours

Environment

Temp: 27 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.65 AU - 1.71 AU

Year: 780 Days

Day: 32.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,198,362 km

• M1: 71,957 km (0.096 R)
• M2: 311,014 km (0.05 R)

Asteroid Belt

Center: 3.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 12.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.89 AU - 6.89 AU

Year: 5120 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,198,362 km

• M1: 162,912 km (0.102 R)
• M2: 570,716 km (0.073 R)
• M3: 1,041,201 km (0.099 R)
• M4: 1,733,391 km (0.085 R)
• M5: 2,185,625 km (0.113 R)
• M6: 2,717,146 km (0.08 R)
• M7: 3,141,555 km (0.084 R)
• M8: 4,230,927 km (0.027 R)
• M9: 4,645,762 km (0.119 R)
• M10: 6,029,991 km (0.059 R)
• M11: 6,528,900 km (0.092 R)
• M12: 7,421,850 km (0.08 R)
• M13: 8,061,380 km (0.078 R)
• M14: 10,241,171 km (0.1 R)
• M15: 10,712,404 km (0.083 R)
• M16: 11,783,226 km (0.102 R)
• M17: 12,610,053 km (0.088 R)
• M18: 16,150,736 km (0.106 R)
• M19: 18,176,889 km (0.117 R)
• M20: 18,752,542 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 11

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6 AU - 9.84 AU

Year: 7983 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,198,362 km

• M1: 136,732 km (0.114 R)
• M2: 601,982 km (0.112 R)
• M3: 1,451,399 km (0.112 R)
• M4: 2,220,032 km (0.085 R)
• M5: 3,275,745 km (0.108 R)
• M6: 3,994,712 km (0.116 R)
• M7: 5,326,731 km (0.116 R)
• M8: 5,822,349 km (0.112 R)
• M9: 6,820,317 km (0.103 R)
• M10: 10,198,685 km (0.032 R)
• M11: 14,557,818 km (0.046 R)
• M12: 16,593,845 km (0.066 R)
• M13: 18,365,383 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 7.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.98 AU - 15.98 AU

Year: 16749 Days

Day: 23.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,198,362 km

• M1: 90,656 km (0.086 R)
• M2: 446,400 km (0.102 R)
• M3: 741,257 km (0.077 R)
• M4: 1,285,345 km (0.103 R)
• M5: 2,118,007 km (0.076 R)
• M6: 3,055,237 km (0.119 R)
• M7: 4,402,067 km (0.109 R)
• M8: 5,132,105 km (0.111 R)
• M9: 5,402,727 km (0.047 R)
• M10: 5,682,924 km (0.106 R)
• M11: 6,758,832 km (0.096 R)
• M12: 8,786,930 km (0.102 R)
• M13: 9,893,356 km (0.1 R)
• M14: 10,125,382 km (0.09 R)
• M15: 11,594,433 km (0.057 R)
• M16: 14,587,438 km (0.097 R)
• M17: 15,316,279 km (0.086 R)
• M18: 20,581,675 km (0.111 R)
• M19: 29,350,803 km (0.106 R)
• M20: 29,830,414 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316

Radius: 5.8

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12.95 AU - 19.95 AU

Year: 23896 Days

Day: 17.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,198,362 km

• M1: 72,256 km (0.041 R)
• M2: 269,575 km (0.115 R)
• M3: 757,264 km (0.118 R)
• M4: 1,402,779 km (0.118 R)
• M5: 1,752,539 km (0.118 R)
• M6: 2,787,457 km (0.105 R)
• M7: 3,055,686 km (0.101 R)
• M8: 3,287,712 km (0.109 R)
• M9: 4,055,299 km (0.118 R)
• M10: 4,530,272 km (0.102 R)
• M11: 5,006,442 km (0.117 R)
• M12: 6,097,908 km (0.088 R)
• M13: 7,756,949 km (0.1 R)
• M14: 8,043,878 km (0.092 R)
• M15: 11,376,619 km (0.025 R)
• M16: 14,212,994 km (0.069 R)
• M17: 14,715,494 km (0.102 R)
• M18: 18,569,434 km (0.111 R)
• M19: 19,871,534 km (0.111 R)
• M20: 21,700,817 km (0.077 R)
• M21: 24,548,562 km (0.074 R)
• M22: 28,644,103 km (0.064 R)
• M23: 31,452,504 km (0.047 R)
• M24: 31,694,403 km (0.095 R)
• M25: 32,427,882 km (0.099 R)
• M26: 33,549,267 km (0.088 R)
• M27: 33,928,797 km (0.102 R)
• M28: 39,686,819 km (0.092 R)
• M29: 54,645,709 km (0.057 R)
• M30: 57,486,273 km (0.047 R)
• M31: 57,666,987 km (0.106 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 12,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit