🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.53 AU - 0.59 AU

Year: 275 Days

Day: 31.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 5,837,412 km

• M1: 119,529 km (0.07 R)
• M2: 655,388 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 12.9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.64 AU - 0.88 AU

Year: 435 Days

Day: 11.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 5,837,412 km

• M1: 160,668 km (0.03 R)
• M2: 250,876 km (0.097 R)
• M3: 339,438 km (0.07 R)
• M4: 473,477 km (0.052 R)
• M5: 587,172 km (0.038 R)
• M6: 695,481 km (0.081 R)
• M7: 856,448 km (0.091 R)
• M8: 982,559 km (0.045 R)
• M9: 1,362,238 km (0.045 R)
• M10: 1,455,886 km (0.098 R)
• M11: 1,656,198 km (0.102 R)
• M12: 1,908,869 km (0.06 R)
• M13: 2,193,853 km (0.092 R)
• M14: 2,278,824 km (0.085 R)
• M15: 2,486,017 km (0.082 R)
• M16: 2,567,847 km (0.03 R)
• M17: 2,699,494 km (0.071 R)
• M18: 2,783,717 km (0.083 R)
• M19: 3,049,403 km (0.089 R)
• M20: 3,226,377 km (0.102 R)
• M21: 3,437,011 km (0.119 R)
• M22: 3,528,715 km (0.113 R)
• M23: 3,667,841 km (0.085 R)
• M24: 3,753,859 km (0.115 R)
• M25: 3,935,770 km (0.079 R)
• M26: 4,072,204 km (0.104 R)
• M27: 4,161,364 km (0.104 R)
• M28: 4,300,340 km (0.101 R)
• M29: 4,499,306 km (0.046 R)
• M30: 4,642,172 km (0.096 R)
• M31: 4,795,061 km (0.084 R)
• M32: 5,027,536 km (0.089 R)
• M33: 5,378,791 km (0.061 R)
• M34: 5,521,657 km (0.106 R)
• M35: 5,620,542 km (0.048 R)
• M36: 5,865,882 km (0.053 R)
• M37: 5,948,460 km (0.093 R)
• M38: 6,086,988 km (0.04 R)
• M39: 6,198,588 km (0.084 R)
• M40: 6,301,511 km (0.107 R)
• M41: 6,386,034 km (0.099 R)
• M42: 6,471,155 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222

Radius: 14

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.86 AU - 1.32 AU

Year: 747 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 5,837,412 km

• M1: 191,336 km (0.092 R)
• M2: 295,157 km (0.047 R)
• M3: 383,569 km (0.101 R)
• M4: 486,791 km (0.075 R)
• M5: 628,461 km (0.108 R)
• M6: 726,896 km (0.034 R)
• M7: 819,348 km (0.097 R)
• M8: 916,287 km (0.103 R)
• M9: 1,095,356 km (0.086 R)
• M10: 1,189,752 km (0.077 R)
• M11: 1,286,990 km (0.097 R)
• M12: 1,417,889 km (0.097 R)
• M13: 1,574,667 km (0.026 R)
• M14: 1,715,588 km (0.067 R)
• M15: 1,900,791 km (0.063 R)
• M16: 2,092,874 km (0.025 R)
• M17: 2,212,553 km (0.078 R)
• M18: 2,340,758 km (0.113 R)
• M19: 2,553,785 km (0.098 R)
• M20: 2,753,648 km (0.092 R)
• M21: 2,858,965 km (0.087 R)
• M22: 3,087,251 km (0.075 R)
• M23: 3,183,143 km (0.078 R)
• M24: 3,413,075 km (0.101 R)
• M25: 3,655,723 km (0.115 R)
• M26: 3,837,784 km (0.111 R)
• M27: 4,045,426 km (0.09 R)
• M28: 4,165,852 km (0.114 R)
• M29: 4,356,290 km (0.11 R)
• M30: 4,487,487 km (0.082 R)
• M31: 4,588,765 km (0.099 R)
• M32: 5,025,591 km (0.106 R)
• M33: 5,179,677 km (0.113 R)
• M34: 5,310,724 km (0.036 R)
• M35: 5,426,364 km (0.104 R)
• M36: 5,550,979 km (0.083 R)
• M37: 5,643,131 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 13,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit