🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.65 AU

Year: 136 Days

Day: 39.2 Hours

Environment

Temp: 234 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 148 Days

Day: 22.4 Hours

Environment

Temp: 199 °C

Axial Tilt: 158.2 °

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: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 1.01 AU

Year: 285 Days

Day: 31.7 Hours

Environment

Temp: 153 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.89 AU - 1.19 AU

Year: 385 Days

Day: 43.6 Hours

Environment

Temp: 40 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 44,005,629 km

• M1: 69,862 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.17 AU - 1.57 AU

Year: 583 Days

Day: 24.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.42 AU - 4.8 AU

Year: 3028 Days

Day: 26.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,005,629 km

• M1: 73,602 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.31 AU - 4.57 AU

Year: 3400 Days

Day: 14.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 79 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 15

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.2 AU - 6.44 AU

Year: 4460 Days

Day: 14.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,005,629 km

• M1: 186,549 km (0.079 R)
• M2: 1,160,431 km (0.117 R)
• M3: 1,669,662 km (0.099 R)
• M4: 3,069,000 km (0.077 R)
• M5: 3,567,161 km (0.113 R)
• M6: 4,503,195 km (0.06 R)
• M7: 7,688,583 km (0.119 R)
• M8: 10,085,589 km (0.098 R)
• M9: 15,261,676 km (0.099 R)
• M10: 16,548,217 km (0.1 R)
• M11: 17,905,818 km (0.075 R)
• M12: 20,772,263 km (0.083 R)
• M13: 22,945,022 km (0.098 R)
• M14: 23,473,103 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 13.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.15 AU - 7.09 AU

Year: 5502 Days

Day: 8.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,005,629 km

• M1: 171,589 km (0.113 R)
• M2: 746,793 km (0.079 R)
• M3: 1,430,156 km (0.099 R)
• M4: 2,078,064 km (0.102 R)
• M5: 2,846,399 km (0.107 R)
• M6: 4,220,006 km (0.085 R)
• M7: 5,375,351 km (0.074 R)
• M8: 6,605,644 km (0.066 R)
• M9: 7,593,887 km (0.069 R)
• M10: 8,305,973 km (0.113 R)
• M11: 9,946,613 km (0.072 R)
• M12: 12,750,376 km (0.119 R)
• M13: 14,174,997 km (0.076 R)
• M14: 14,925,978 km (0.058 R)
• M15: 19,869,140 km (0.117 R)
• M16: 20,946,993 km (0.115 R)
• M17: 24,567,262 km (0.029 R)
• M18: 25,028,023 km (0.082 R)
• M19: 25,887,762 km (0.094 R)
• M20: 26,848,031 km (0.073 R)
• M21: 27,831,936 km (0.088 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 14.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.39 AU - 9.99 AU

Year: 9310 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,005,629 km

• M1: 181,612 km (0.1 R)
• M2: 654,640 km (0.115 R)
• M3: 1,400,685 km (0.073 R)
• M4: 3,593,490 km (0.117 R)
• M5: 4,364,368 km (0.109 R)
• M6: 6,780,075 km (0.114 R)
• M7: 8,776,458 km (0.067 R)
• M8: 11,349,691 km (0.065 R)
• M9: 12,440,260 km (0.117 R)
• M10: 13,011,275 km (0.07 R)
• M11: 17,653,746 km (0.106 R)
• M12: 18,375,555 km (0.108 R)
• M13: 20,188,681 km (0.095 R)
• M14: 21,219,261 km (0.115 R)
• M15: 22,035,617 km (0.112 R)
• M16: 22,872,916 km (0.089 R)
• M17: 26,249,190 km (0.113 R)
• M18: 26,811,080 km (0.091 R)
• M19: 28,153,422 km (0.11 R)
• M20: 33,863,722 km (0.082 R)
• M21: 36,349,291 km (0.11 R)
• M22: 36,930,778 km (0.11 R)
• M23: 41,554,848 km (0.116 R)
• M24: 42,704,059 km (0.036 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 19,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit