🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.17 AU - 1.25 AU

Year: 481 Days

Day: 13.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.72 AU - 4.46 AU

Year: 2460 Days

Day: 39.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 9

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.93 AU - 8.25 AU

Year: 6827 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,269,921 km

• M1: 112,647 km (0.041 R)
• M2: 462,856 km (0.043 R)
• M3: 765,492 km (0.093 R)
• M4: 2,861,059 km (0.06 R)
• M5: 3,768,670 km (0.108 R)
• M6: 4,560,491 km (0.082 R)
• M7: 5,340,494 km (0.108 R)
• M8: 6,174,353 km (0.077 R)
• M9: 6,986,221 km (0.09 R)
• M10: 8,454,823 km (0.116 R)
• M11: 11,589,197 km (0.096 R)
• M12: 12,981,654 km (0.113 R)
• M13: 14,082,545 km (0.103 R)
• M14: 14,482,271 km (0.115 R)
• M15: 15,848,997 km (0.077 R)
• M16: 16,344,016 km (0.087 R)
• M17: 18,495,533 km (0.11 R)
• M18: 20,536,347 km (0.107 R)
• M19: 32,528,561 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.2

Radius: 4.3

Gravity: 31.11 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.82 AU - 20.26 AU

Year: 25439 Days

Day: 24.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,269,921 km

• M1: 54,454 km (0.109 R)
• M2: 274,811 km (0.085 R)
• M3: 489,484 km (0.099 R)
• M4: 1,466,358 km (0.039 R)
• M5: 1,767,050 km (0.087 R)
• M6: 4,711,136 km (0.083 R)
• M7: 8,685,952 km (0.116 R)
• M8: 9,136,241 km (0.062 R)
• M9: 13,536,812 km (0.052 R)
• M10: 14,450,556 km (0.118 R)
• M11: 14,606,736 km (0.074 R)
• M12: 15,732,011 km (0.064 R)
• M13: 22,442,224 km (0.066 R)
• M14: 27,960,590 km (0.095 R)
• M15: 30,323,040 km (0.116 R)
• M16: 34,318,500 km (0.103 R)
• M17: 38,501,106 km (0.062 R)
• M18: 39,711,952 km (0.029 R)
• M19: 40,481,483 km (0.089 R)
• M20: 41,733,318 km (0.117 R)
• M21: 50,865,520 km (0.085 R)
• M22: 55,893,654 km (0.115 R)
• M23: 73,635,363 km (0.117 R)
• M24: 80,291,870 km (0.07 R)
• M25: 82,264,916 km (0.114 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 14,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit