🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 8.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.02 AU - 1.24 AU

Year: 788 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,864,653 km

• M1: 107,262 km (0.117 R)
• M2: 558,598 km (0.067 R)
• M3: 842,236 km (0.1 R)
• M4: 2,367,835 km (0.074 R)
• M5: 3,368,944 km (0.036 R)
• M6: 4,769,479 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 10

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.08 AU - 1.6 AU

Year: 1018 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,864,653 km

• M1: 124,316 km (0.104 R)
• M2: 459,415 km (0.1 R)
• M3: 1,013,077 km (0.064 R)
• M4: 1,379,442 km (0.057 R)
• M5: 1,797,568 km (0.06 R)
• M6: 2,223,922 km (0.092 R)
• M7: 2,729,563 km (0.113 R)
• M8: 3,767,922 km (0.118 R)
• M9: 5,126,569 km (0.111 R)
• M10: 5,597,653 km (0.054 R)
• M11: 6,033,432 km (0.087 R)
• M12: 6,380,499 km (0.119 R)
• M13: 6,949,569 km (0.114 R)
• M14: 8,834,053 km (0.094 R)
• M15: 9,483,458 km (0.089 R)
• M16: 10,347,386 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 8.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.25 AU - 2.65 AU

Year: 2516 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,864,653 km

• M1: 108,309 km (0.086 R)
• M2: 387,608 km (0.084 R)
• M3: 683,213 km (0.092 R)
• M4: 989,141 km (0.118 R)
• M5: 1,437,486 km (0.066 R)
• M6: 1,861,297 km (0.1 R)
• M7: 2,238,134 km (0.117 R)
• M8: 3,117,320 km (0.073 R)
• M9: 4,353,896 km (0.107 R)
• M10: 6,978,741 km (0.085 R)
• M11: 7,335,382 km (0.066 R)
• M12: 8,308,516 km (0.074 R)
• M13: 8,709,438 km (0.03 R)
• M14: 10,775,834 km (0.089 R)
• M15: 11,567,057 km (0.089 R)
• M16: 11,958,854 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.5

Radius: 3.7

Gravity: 37.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.81 AU - 8.07 AU

Year: 13313 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,864,653 km

• M1: 46,675 km (0.04 R)
• M2: 162,014 km (0.089 R)
• M3: 397,033 km (0.105 R)
• M4: 556,504 km (0.107 R)
• M5: 1,347,578 km (0.054 R)
• M6: 2,122,046 km (0.097 R)
• M7: 2,389,078 km (0.101 R)
• M8: 3,036,837 km (0.083 R)
• M9: 3,477,403 km (0.115 R)
• M10: 4,731,930 km (0.096 R)
• M11: 6,336,517 km (0.107 R)
• M12: 6,452,306 km (0.086 R)
• M13: 6,608,785 km (0.111 R)
• M14: 6,929,523 km (0.066 R)
• M15: 11,800,579 km (0.103 R)
• M16: 15,093,528 km (0.099 R)
• M17: 15,578,973 km (0.113 R)
• M18: 15,931,874 km (0.116 R)
• M19: 18,007,993 km (0.039 R)
• M20: 18,711,702 km (0.11 R)
• M21: 19,760,532 km (0.058 R)
• M22: 21,623,475 km (0.118 R)
• M23: 22,418,139 km (0.078 R)
• M24: 22,597,357 km (0.079 R)
• M25: 23,785,613 km (0.059 R)
• M26: 26,186,658 km (0.046 R)
• M27: 28,324,412 km (0.088 R)
• M28: 42,943,565 km (0.116 R)
• M29: 45,618,075 km (0.058 R)
• M30: 47,658,291 km (0.092 R)
• M31: 52,548,346 km (0.038 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: 317 - 10,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit