🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.61 AU - 1.65 AU

Year: 738 Days

Day: 40.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,053,727 km

• M1: 67,917 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.85 AU - 1.89 AU

Year: 907 Days

Day: 23.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.74 AU - 2.58 AU

Year: 1126 Days

Day: 22 Hours

Environment

Temp: -67 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 109,053,727 km

• M1: 183,557 km (0.106 R)
• M2: 688,300 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.81 AU - 3.57 AU

Year: 2021 Days

Day: 16.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.83 AU - 4.09 AU

Year: 2283 Days

Day: 20.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 4.2

Gravity: 53.74 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 14.62 AU - 23.2 AU

Year: 29173 Days

Day: 17.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 109,053,727 km

• M1: 56,847 km (0.099 R)
• M2: 260,001 km (0.094 R)
• M3: 911,201 km (0.099 R)
• M4: 1,047,335 km (0.108 R)
• M5: 1,212,940 km (0.095 R)
• M6: 1,361,191 km (0.036 R)
• M7: 1,694,794 km (0.106 R)
• M8: 1,990,250 km (0.114 R)
• M9: 2,394,164 km (0.074 R)
• M10: 2,602,105 km (0.041 R)
• M11: 3,794,101 km (0.034 R)
• M12: 4,298,695 km (0.066 R)
• M13: 4,887,811 km (0.107 R)
• M14: 5,223,060 km (0.101 R)
• M15: 5,800,358 km (0.103 R)
• M16: 8,360,875 km (0.077 R)
• M17: 9,086,425 km (0.099 R)
• M18: 10,051,331 km (0.094 R)
• M19: 10,800,966 km (0.068 R)
• M20: 12,258,199 km (0.097 R)
• M21: 13,514,522 km (0.051 R)
• M22: 15,290,398 km (0.091 R)
• M23: 15,645,544 km (0.114 R)
• M24: 18,286,395 km (0.076 R)
• M25: 18,888,676 km (0.078 R)
• M26: 23,012,790 km (0.112 R)
• M27: 26,156,290 km (0.12 R)
• M28: 26,920,286 km (0.063 R)
• M29: 34,934,244 km (0.097 R)
• M30: 39,561,755 km (0.117 R)
• M31: 42,630,157 km (0.114 R)
• M32: 60,152,107 km (0.057 R)
• M33: 63,739,314 km (0.119 R)
• M34: 68,420,381 km (0.092 R)
• M35: 81,922,038 km (0.1 R)
• M36: 85,207,506 km (0.112 R)
• M37: 86,882,554 km (0.054 R)
• M38: 88,864,576 km (0.115 R)
• M39: 89,436,339 km (0.081 R)
• M40: 95,888,346 km (0.119 R)
• M41: 97,396,741 km (0.11 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 10,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit