🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.14 AU - 1.24 AU

Year: 497 Days

Day: 24.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.67 AU - 2.31 AU

Year: 1075 Days

Day: 44.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,054,564 km

• M1: 35,305 km (0.032 R)
• M2: 365,617 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.32 AU - 3.84 AU

Year: 2594 Days

Day: 46.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 9.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.56 AU - 6.64 AU

Year: 5074 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,054,564 km

• M1: 119,379 km (0.08 R)
• M2: 730,636 km (0.091 R)
• M3: 1,057,807 km (0.084 R)
• M4: 1,365,230 km (0.105 R)
• M5: 1,928,466 km (0.119 R)
• M6: 2,395,810 km (0.097 R)
• M7: 2,883,349 km (0.099 R)
• M8: 3,375,676 km (0.087 R)
• M9: 4,126,059 km (0.098 R)
• M10: 4,803,288 km (0.101 R)
• M11: 6,044,801 km (0.043 R)
• M12: 7,115,922 km (0.099 R)
• M13: 7,661,805 km (0.067 R)
• M14: 8,053,003 km (0.109 R)
• M15: 8,570,312 km (0.114 R)
• M16: 9,427,807 km (0.112 R)
• M17: 11,634,376 km (0.119 R)
• M18: 12,295,748 km (0.096 R)
• M19: 14,484,814 km (0.106 R)
• M20: 17,101,131 km (0.058 R)
• M21: 17,403,319 km (0.063 R)
• M22: 19,950,522 km (0.086 R)
• M23: 21,313,059 km (0.104 R)
• M24: 21,733,728 km (0.076 R)
• M25: 25,457,070 km (0.032 R)
• M26: 25,772,123 km (0.098 R)
• M27: 26,329,674 km (0.052 R)
• M28: 27,800,670 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.94 AU - 11.3 AU

Year: 10545 Days

Day: 13.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,054,564 km

• M1: 229,782 km (0.061 R)
• M2: 731,534 km (0.071 R)
• M3: 1,235,678 km (0.11 R)
• M4: 1,780,215 km (0.106 R)
• M5: 2,429,469 km (0.105 R)
• M6: 2,953,960 km (0.036 R)
• M7: 4,049,914 km (0.086 R)
• M8: 4,563,932 km (0.109 R)
• M9: 5,528,689 km (0.098 R)
• M10: 7,186,981 km (0.04 R)
• M11: 8,886,712 km (0.114 R)
• M12: 13,772,130 km (0.081 R)
• M13: 15,582,413 km (0.116 R)
• M14: 16,443,499 km (0.106 R)
• M15: 17,546,633 km (0.071 R)
• M16: 19,594,927 km (0.113 R)
• M17: 23,987,719 km (0.102 R)
• M18: 28,800,283 km (0.078 R)
• M19: 34,775,521 km (0.059 R)
• M20: 38,230,035 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 14,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit