🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.61 AU - 0.81 AU

Year: 225 Days

Day: 18.7 Hours

Environment

Temp: 137 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 113,186,588 km

• M1: 28,573 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.95 AU - 1.06 AU

Year: 377 Days

Day: 36.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 42.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.19 AU - 2.57 AU

Year: 1383 Days

Day: 19.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.99 AU - 4.15 AU

Year: 2541 Days

Day: 42.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610

Radius: 14.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.73 AU - 5.63 AU

Year: 4441 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 113,186,588 km

• M1: 184,454 km (0.042 R)
• M2: 647,310 km (0.118 R)
• M3: 1,789,939 km (0.116 R)
• M4: 2,517,583 km (0.073 R)
• M5: 3,150,980 km (0.117 R)
• M6: 3,783,480 km (0.096 R)
• M7: 5,095,453 km (0.105 R)
• M8: 5,971,648 km (0.039 R)
• M9: 6,630,776 km (0.093 R)
• M10: 8,347,112 km (0.12 R)
• M11: 8,942,362 km (0.116 R)
• M12: 11,749,417 km (0.106 R)
• M13: 13,328,871 km (0.118 R)
• M14: 14,830,235 km (0.109 R)
• M15: 16,212,819 km (0.038 R)
• M16: 16,847,712 km (0.058 R)
• M17: 18,290,733 km (0.09 R)
• M18: 19,619,761 km (0.119 R)
• M19: 20,407,543 km (0.049 R)
• M20: 21,628,860 km (0.111 R)
• M21: 22,970,155 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.1

Radius: 4.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 15.97 AU - 21.03 AU

Year: 29977 Days

Day: 18 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 113,186,588 km

• M1: 60,288 km (0.118 R)
• M2: 366,664 km (0.118 R)
• M3: 693,087 km (0.04 R)
• M4: 2,743,924 km (0.116 R)
• M5: 5,970,002 km (0.089 R)
• M6: 6,698,095 km (0.111 R)
• M7: 22,349,024 km (0.05 R)
• M8: 28,684,644 km (0.104 R)
• M9: 31,137,151 km (0.078 R)
• M10: 31,339,108 km (0.115 R)
• M11: 35,786,653 km (0.075 R)
• M12: 38,160,322 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.4

Radius: 4.8

Gravity: 43.07 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 14.74 AU - 22.4 AU

Year: 30147 Days

Day: 16.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 113,186,588 km

• M1: 59,690 km (0.114 R)
• M2: 218,562 km (0.089 R)
• M3: 449,242 km (0.035 R)
• M4: 615,446 km (0.082 R)
• M5: 872,904 km (0.114 R)
• M6: 1,891,665 km (0.099 R)
• M7: 2,047,995 km (0.061 R)
• M8: 2,237,236 km (0.096 R)
• M9: 3,495,504 km (0.109 R)
• M10: 4,389,351 km (0.102 R)
• M11: 5,515,673 km (0.101 R)
• M12: 6,874,022 km (0.105 R)
• M13: 7,191,768 km (0.111 R)
• M14: 8,086,962 km (0.102 R)
• M15: 8,501,049 km (0.104 R)
• M16: 9,762,159 km (0.086 R)
• M17: 10,368,329 km (0.083 R)
• M18: 12,648,949 km (0.11 R)
• M19: 15,602,011 km (0.08 R)
• M20: 16,997,160 km (0.072 R)
• M21: 18,881,196 km (0.065 R)
• M22: 24,987,033 km (0.085 R)
• M23: 27,151,714 km (0.114 R)
• M24: 28,752,711 km (0.056 R)
• M25: 39,531,237 km (0.087 R)
• M26: 49,719,750 km (0.079 R)
• M27: 70,519,239 km (0.105 R)
• M28: 77,152,559 km (0.116 R)
• M29: 85,590,178 km (0.085 R)
• M30: 94,923,589 km (0.076 R)
• M31: 101,403,421 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 20,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit