🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.64 AU - 0.68 AU

Year: 228 Days

Day: 40.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,528,046 km

• M1: 64,925 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.71 AU - 1.17 AU

Year: 387 Days

Day: 37.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.04 AU - 1.12 AU

Year: 477 Days

Day: 18 Hours

Environment

Temp: -50 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.05 AU - 1.37 AU

Year: 565 Days

Day: 15.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,528,046 km

• M1: 141,669 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.65 AU - 1.93 AU

Year: 1017 Days

Day: 39.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,528,046 km

• M1: 659,278 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.73 AU - 2.53 AU

Year: 1320 Days

Day: 30.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,528,046 km

• M1: 45,029 km (0.101 R)
• M2: 307,872 km (0.094 R)

Asteroid Belt

Center: 2.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 12.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.67 AU - 3.73 AU

Year: 3022 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,528,046 km

• M1: 154,235 km (0.063 R)
• M2: 542,741 km (0.104 R)
• M3: 932,593 km (0.1 R)
• M4: 1,361,041 km (0.085 R)
• M5: 2,037,972 km (0.102 R)
• M6: 2,455,200 km (0.078 R)
• M7: 2,846,548 km (0.064 R)
• M8: 3,717,956 km (0.108 R)
• M9: 4,194,724 km (0.104 R)
• M10: 4,665,658 km (0.074 R)
• M11: 6,125,285 km (0.101 R)
• M12: 9,541,053 km (0.105 R)
• M13: 10,765,661 km (0.075 R)
• M14: 13,381,978 km (0.118 R)
• M15: 14,060,255 km (0.106 R)
• M16: 15,017,233 km (0.108 R)
• M17: 15,432,965 km (0.086 R)
• M18: 16,179,010 km (0.11 R)
• M19: 16,671,187 km (0.12 R)
• M20: 18,091,020 km (0.071 R)
• M21: 18,502,713 km (0.062 R)
• M22: 20,338,279 km (0.103 R)
• M23: 22,426,965 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.6

Radius: 13.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.49 AU - 8.81 AU

Year: 8984 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,528,046 km

• M1: 172,935 km (0.094 R)
• M2: 630,106 km (0.101 R)
• M3: 1,279,810 km (0.066 R)
• M4: 2,016,430 km (0.082 R)
• M5: 3,089,196 km (0.086 R)
• M6: 4,778,904 km (0.106 R)
• M7: 6,598,912 km (0.093 R)
• M8: 8,753,121 km (0.086 R)
• M9: 10,600,056 km (0.049 R)
• M10: 11,949,130 km (0.114 R)
• M11: 15,052,089 km (0.065 R)
• M12: 19,818,726 km (0.075 R)
• M13: 20,782,136 km (0.06 R)
• M14: 23,503,920 km (0.098 R)
• M15: 28,120,211 km (0.094 R)
• M16: 28,927,291 km (0.114 R)
• M17: 36,068,196 km (0.063 R)
• M18: 38,977,276 km (0.073 R)
• M19: 39,728,407 km (0.089 R)
• M20: 41,518,346 km (0.117 R)
• M21: 45,810,608 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.3

Radius: 6.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.67 AU - 12.37 AU

Year: 14488 Days

Day: 23.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,528,046 km

• M1: 80,932 km (0.106 R)
• M2: 373,396 km (0.074 R)
• M3: 953,238 km (0.064 R)
• M4: 3,396,171 km (0.094 R)
• M5: 6,657,404 km (0.091 R)
• M6: 7,296,636 km (0.063 R)
• M7: 7,733,612 km (0.076 R)
• M8: 8,845,872 km (0.095 R)
• M9: 10,143,035 km (0.06 R)
• M10: 12,156,173 km (0.073 R)
• M11: 14,525,804 km (0.113 R)
• M12: 15,598,121 km (0.112 R)
• M13: 18,385,279 km (0.067 R)
• M14: 24,548,412 km (0.044 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 15,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit