🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247

Radius: 13.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.81 AU - 1.19 AU

Year: 690 Days

Day: 8.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,150,931 km

• M1: 190,737 km (0.105 R)
• M2: 626,815 km (0.076 R)
• M3: 1,088,175 km (0.092 R)
• M4: 1,758,224 km (0.081 R)
• M5: 3,175,364 km (0.049 R)
• M6: 3,864,263 km (0.11 R)
• M7: 4,494,219 km (0.043 R)
• M8: 5,690,853 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 11

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.42 AU - 1.78 AU

Year: 1397 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,150,931 km

• M1: 136,882 km (0.06 R)
• M2: 479,162 km (0.075 R)
• M3: 837,898 km (0.064 R)
• M4: 1,386,623 km (0.116 R)
• M5: 1,744,910 km (0.078 R)
• M6: 2,321,011 km (0.107 R)
• M7: 2,861,508 km (0.069 R)
• M8: 3,403,950 km (0.062 R)
• M9: 3,872,341 km (0.081 R)
• M10: 4,518,304 km (0.111 R)
• M11: 5,321,346 km (0.104 R)
• M12: 7,508,317 km (0.057 R)
• M13: 8,043,279 km (0.083 R)
• M14: 9,380,534 km (0.058 R)
• M15: 10,237,281 km (0.102 R)
• M16: 11,289,852 km (0.074 R)
• M17: 13,650,507 km (0.103 R)
• M18: 14,277,920 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 12.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.53 AU - 3.27 AU

Year: 3409 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,150,931 km

• M1: 154,235 km (0.073 R)
• M2: 655,687 km (0.085 R)
• M3: 1,186,162 km (0.098 R)
• M4: 1,815,370 km (0.075 R)
• M5: 2,220,631 km (0.07 R)
• M6: 2,988,816 km (0.088 R)
• M7: 3,802,030 km (0.071 R)
• M8: 4,377,084 km (0.075 R)
• M9: 4,861,482 km (0.098 R)
• M10: 6,715,299 km (0.109 R)
• M11: 8,348,908 km (0.067 R)
• M12: 9,161,523 km (0.054 R)
• M13: 10,549,343 km (0.045 R)
• M14: 11,918,014 km (0.111 R)
• M15: 14,166,918 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 14.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.88 AU - 4.78 AU

Year: 5174 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,150,931 km

• M1: 183,856 km (0.12 R)
• M2: 892,202 km (0.075 R)
• M3: 1,545,047 km (0.103 R)
• M4: 2,802,866 km (0.11 R)
• M5: 3,357,126 km (0.093 R)
• M6: 4,664,013 km (0.115 R)
• M7: 7,421,401 km (0.086 R)
• M8: 8,965,101 km (0.07 R)
• M9: 11,789,808 km (0.098 R)
• M10: 12,279,442 km (0.109 R)
• M11: 13,247,490 km (0.07 R)
• M12: 15,163,240 km (0.096 R)
• M13: 17,257,610 km (0.07 R)
• M14: 21,071,608 km (0.079 R)
• M15: 22,087,976 km (0.09 R)
• M16: 26,986,409 km (0.118 R)
• M17: 28,709,627 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 12,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit