🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.44 AU - 0.7 AU

Year: 161 Days

Day: 43.2 Hours

Environment

Temp: 192 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.75 AU - 1.03 AU

Year: 315 Days

Day: 12.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.86 AU - 1.18 AU

Year: 386 Days

Day: 40.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,778,405 km

• M1: 56,249 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.95 AU - 1.31 AU

Year: 450 Days

Day: 42 Hours

Environment

Temp: 9 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.62 AU - 2.28 AU

Year: 1020 Days

Day: 23.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.78 AU - 2.8 AU

Year: 1746 Days

Day: 39.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.8

Radius: 12.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.55 AU - 6.53 AU

Year: 5563 Days

Day: 12.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,778,405 km

• M1: 159,322 km (0.033 R)
• M2: 575,952 km (0.048 R)
• M3: 982,559 km (0.083 R)
• M4: 1,446,312 km (0.037 R)
• M5: 2,583,705 km (0.065 R)
• M6: 3,417,863 km (0.11 R)
• M7: 5,033,968 km (0.091 R)
• M8: 5,619,345 km (0.069 R)
• M9: 6,715,897 km (0.082 R)
• M10: 9,709,051 km (0.106 R)
• M11: 12,837,592 km (0.084 R)
• M12: 13,306,431 km (0.066 R)
• M13: 14,378,599 km (0.072 R)
• M14: 15,454,806 km (0.116 R)
• M15: 17,423,814 km (0.075 R)
• M16: 19,554,985 km (0.099 R)
• M17: 20,051,201 km (0.117 R)
• M18: 22,389,117 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 13.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.8 AU - 11.12 AU

Year: 12677 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,778,405 km

• M1: 162,912 km (0.108 R)
• M2: 639,680 km (0.081 R)
• M3: 1,218,923 km (0.112 R)
• M4: 1,701,077 km (0.041 R)
• M5: 2,776,836 km (0.109 R)
• M6: 3,488,174 km (0.109 R)
• M7: 4,105,564 km (0.109 R)
• M8: 5,822,200 km (0.105 R)
• M9: 6,441,535 km (0.072 R)
• M10: 7,066,555 km (0.09 R)
• M11: 8,268,125 km (0.12 R)
• M12: 9,416,139 km (0.106 R)
• M13: 9,837,257 km (0.086 R)
• M14: 10,567,444 km (0.057 R)
• M15: 11,438,403 km (0.099 R)
• M16: 12,467,786 km (0.111 R)
• M17: 14,401,189 km (0.119 R)
• M18: 15,024,563 km (0.066 R)
• M19: 16,594,593 km (0.086 R)
• M20: 17,700,420 km (0.098 R)
• M21: 18,928,619 km (0.071 R)
• M22: 24,152,127 km (0.028 R)
• M23: 24,855,088 km (0.098 R)
• M24: 25,752,974 km (0.082 R)
• M25: 26,394,151 km (0.081 R)
• M26: 30,062,889 km (0.04 R)
• M27: 31,185,322 km (0.072 R)
• M28: 32,653,924 km (0.116 R)
• M29: 34,278,258 km (0.065 R)
• M30: 38,158,378 km (0.08 R)
• M31: 39,232,490 km (0.104 R)
• M32: 40,572,588 km (0.111 R)
• M33: 42,195,575 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.5

Radius: 7.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.03 AU - 13.01 AU

Year: 16601 Days

Day: 20.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,778,405 km

• M1: 293,212 km (0.107 R)
• M2: 655,388 km (0.098 R)
• M3: 2,787,607 km (0.12 R)
• M4: 3,146,342 km (0.077 R)
• M5: 4,352,251 km (0.03 R)
• M6: 6,466,966 km (0.115 R)
• M7: 7,302,620 km (0.039 R)
• M8: 13,317,950 km (0.102 R)
• M9: 14,731,351 km (0.099 R)
• M10: 18,542,357 km (0.06 R)
• M11: 25,083,075 km (0.09 R)
• M12: 25,946,853 km (0.068 R)
• M13: 27,531,394 km (0.027 R)
• M14: 29,179,214 km (0.101 R)
• M15: 42,460,812 km (0.033 R)
• M16: 44,517,185 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 12,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit