🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.44 AU - 0.62 AU

Year: 249 Days

Day: 47.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 13.5

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.53 AU - 0.87 AU

Year: 378 Days

Day: 7.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,306,266 km

• M1: 167,849 km (0.116 R)
• M2: 1,117,496 km (0.117 R)
• M3: 1,607,429 km (0.092 R)
• M4: 2,368,134 km (0.111 R)
• M5: 3,112,982 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.3

Radius: 12.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.85 AU - 4.63 AU

Year: 4670 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,306,266 km

• M1: 153,637 km (0.087 R)
• M2: 719,715 km (0.09 R)
• M3: 1,642,884 km (0.088 R)
• M4: 2,269,250 km (0.084 R)
• M5: 2,734,051 km (0.119 R)
• M6: 4,640,825 km (0.111 R)
• M7: 5,094,855 km (0.082 R)
• M8: 5,604,834 km (0.105 R)
• M9: 6,092,672 km (0.089 R)
• M10: 8,685,353 km (0.064 R)
• M11: 9,377,842 km (0.056 R)
• M12: 10,545,902 km (0.11 R)
• M13: 13,742,509 km (0.112 R)
• M14: 16,583,223 km (0.088 R)
• M15: 17,822,043 km (0.079 R)
• M16: 18,880,747 km (0.109 R)
• M17: 20,801,734 km (0.065 R)
• M18: 21,710,690 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 10.9

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.2 AU - 6.06 AU

Year: 7502 Days

Day: 6.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,306,266 km

• M1: 135,685 km (0.101 R)
• M2: 543,040 km (0.082 R)
• M3: 929,302 km (0.114 R)
• M4: 1,466,209 km (0.106 R)
• M5: 2,486,317 km (0.065 R)
• M6: 3,084,708 km (0.065 R)
• M7: 4,321,134 km (0.064 R)
• M8: 4,828,570 km (0.077 R)
• M9: 5,929,312 km (0.072 R)
• M10: 6,342,950 km (0.053 R)
• M11: 7,228,569 km (0.113 R)
• M12: 8,236,560 km (0.087 R)
• M13: 8,578,241 km (0.12 R)
• M14: 12,481,250 km (0.119 R)
• M15: 13,989,046 km (0.089 R)
• M16: 14,849,533 km (0.098 R)
• M17: 19,841,465 km (0.109 R)
• M18: 21,484,947 km (0.117 R)
• M19: 22,052,521 km (0.108 R)
• M20: 22,463,915 km (0.052 R)
• M21: 24,598,527 km (0.062 R)
• M22: 26,958,434 km (0.059 R)
• M23: 27,905,089 km (0.103 R)
• M24: 28,483,584 km (0.043 R)
• M25: 32,653,176 km (0.076 R)
• M26: 33,511,718 km (0.119 R)
• M27: 35,050,183 km (0.087 R)
• M28: 39,704,920 km (0.077 R)
• M29: 40,929,828 km (0.055 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: 524 - 16,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit