🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.77 AU - 3.25 AU

Year: 1861 Days

Day: 23 Hours

Environment

Temp: -97 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,996,127 km

• M1: 73,901 km (0.091 R)
• M2: 137,032 km (0.103 R)

Asteroid Belt

Center: 4.06 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.83 AU - 5.39 AU

Year: 4117 Days

Day: 36.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.75 AU - 5.59 AU

Year: 4190 Days

Day: 47.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,996,127 km

• M1: 444,455 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 12.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.55 AU - 6.59 AU

Year: 4686 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,996,127 km

• M1: 153,637 km (0.093 R)
• M2: 810,072 km (0.053 R)
• M3: 1,853,966 km (0.063 R)
• M4: 2,949,621 km (0.106 R)
• M5: 3,685,194 km (0.075 R)
• M6: 7,965,039 km (0.084 R)
• M7: 12,699,214 km (0.077 R)
• M8: 14,776,829 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.5

Radius: 5.2

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 11.15 AU - 18.43 AU

Year: 20274 Days

Day: 22.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,996,127 km

• M1: 64,626 km (0.099 R)
• M2: 251,025 km (0.091 R)
• M3: 1,146,518 km (0.098 R)
• M4: 1,960,779 km (0.084 R)
• M5: 2,388,928 km (0.111 R)
• M6: 3,319,128 km (0.119 R)
• M7: 4,175,875 km (0.078 R)
• M8: 4,436,175 km (0.082 R)
• M9: 4,882,127 km (0.107 R)
• M10: 5,061,494 km (0.062 R)
• M11: 5,903,282 km (0.114 R)
• M12: 6,658,452 km (0.08 R)
• M13: 7,335,382 km (0.041 R)
• M14: 7,762,933 km (0.108 R)
• M15: 11,547,011 km (0.117 R)
• M16: 13,975,882 km (0.12 R)
• M17: 16,403,407 km (0.026 R)
• M18: 17,885,473 km (0.1 R)
• M19: 18,055,416 km (0.086 R)
• M20: 18,312,425 km (0.092 R)
• M21: 23,164,183 km (0.11 R)
• M22: 26,650,113 km (0.077 R)
• M23: 27,432,061 km (0.069 R)
• M24: 29,750,080 km (0.104 R)
• M25: 33,210,129 km (0.088 R)
• M26: 34,245,795 km (0.074 R)
• M27: 39,604,839 km (0.098 R)
• M28: 43,013,427 km (0.078 R)
• M29: 44,554,435 km (0.046 R)
• M30: 46,291,715 km (0.048 R)
• M31: 47,096,102 km (0.099 R)
• M32: 48,898,458 km (0.101 R)
• M33: 50,069,211 km (0.052 R)
• M34: 51,601,542 km (0.109 R)
• M35: 56,021,710 km (0.096 R)
• M36: 60,114,558 km (0.102 R)
• M37: 70,148,386 km (0.119 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit