🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.73 AU - 1.77 AU

Year: 814 Days

Day: 33.3 Hours

Environment

Temp: -45 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.65 AU - 4.81 AU

Year: 3616 Days

Day: 47.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,252,229 km

• M1: 860,786 km (0.067 R)

Asteroid Belt

Center: 6.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 10.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.63 AU - 9.13 AU

Year: 7046 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,252,229 km

• M1: 148,401 km (0.063 R)
• M2: 578,495 km (0.075 R)
• M3: 991,684 km (0.067 R)
• M4: 1,903,184 km (0.059 R)
• M5: 2,701,289 km (0.104 R)
• M6: 3,130,186 km (0.066 R)
• M7: 5,134,648 km (0.099 R)
• M8: 6,703,630 km (0.061 R)
• M9: 7,913,578 km (0.091 R)
• M10: 9,028,680 km (0.085 R)
• M11: 9,422,721 km (0.082 R)
• M12: 12,223,492 km (0.043 R)
• M13: 12,853,748 km (0.114 R)
• M14: 16,161,806 km (0.053 R)
• M15: 16,802,833 km (0.1 R)
• M16: 17,159,474 km (0.043 R)
• M17: 17,765,346 km (0.087 R)
• M18: 20,198,405 km (0.113 R)
• M19: 20,873,840 km (0.074 R)
• M20: 21,564,383 km (0.103 R)
• M21: 22,773,134 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164

Radius: 7.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 12.12 AU - 16.22 AU

Year: 18747 Days

Day: 16 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,252,229 km

• M1: 91,255 km (0.099 R)
• M2: 787,932 km (0.073 R)
• M3: 1,136,196 km (0.119 R)
• M4: 2,688,124 km (0.114 R)
• M5: 2,937,953 km (0.117 R)
• M6: 3,226,228 km (0.064 R)
• M7: 6,514,389 km (0.103 R)
• M8: 10,241,021 km (0.087 R)
• M9: 10,544,556 km (0.106 R)
• M10: 11,011,002 km (0.099 R)
• M11: 13,552,370 km (0.052 R)
• M12: 17,659,281 km (0.118 R)
• M13: 18,915,604 km (0.106 R)
• M14: 19,915,516 km (0.073 R)
• M15: 21,194,278 km (0.049 R)
• M16: 22,611,718 km (0.099 R)
• M17: 24,002,679 km (0.087 R)
• M18: 27,242,371 km (0.077 R)
• M19: 29,421,413 km (0.11 R)
• M20: 31,394,609 km (0.094 R)
• M21: 32,035,636 km (0.113 R)
• M22: 32,576,432 km (0.096 R)
• M23: 34,123,125 km (0.031 R)
• M24: 34,687,258 km (0.076 R)
• M25: 41,820,384 km (0.108 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 18,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit