🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 14.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.94 AU - 1.16 AU

Year: 706 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,933,549 km

• M1: 186,100 km (0.039 R)
• M2: 705,952 km (0.032 R)
• M3: 1,256,024 km (0.089 R)
• M4: 2,050,089 km (0.089 R)
• M5: 2,862,406 km (0.111 R)
• M6: 4,751,827 km (0.084 R)
• M7: 5,289,482 km (0.105 R)
• M8: 5,850,623 km (0.107 R)

Asteroid Belt

Center: 1.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 11.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.48 AU - 1.68 AU

Year: 1303 Days

Day: 6.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,933,549 km

• M1: 138,528 km (0.115 R)
• M2: 586,424 km (0.079 R)
• M3: 1,107,922 km (0.06 R)
• M4: 1,679,535 km (0.111 R)
• M5: 2,273,888 km (0.119 R)
• M6: 2,706,375 km (0.113 R)
• M7: 3,431,626 km (0.082 R)
• M8: 4,156,876 km (0.056 R)
• M9: 6,253,341 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.6

Radius: 8.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.39 AU - 2.25 AU

Year: 1611 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,933,549 km

• M1: 100,829 km (0.084 R)
• M2: 364,271 km (0.092 R)
• M3: 889,808 km (0.095 R)
• M4: 1,437,336 km (0.062 R)
• M5: 2,321,011 km (0.106 R)
• M6: 3,241,487 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 11

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.6 AU - 2.58 AU

Year: 1982 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,933,549 km

• M1: 136,732 km (0.092 R)
• M2: 760,256 km (0.067 R)
• M3: 1,102,985 km (0.047 R)
• M4: 2,353,025 km (0.053 R)
• M5: 2,925,985 km (0.1 R)
• M6: 3,958,509 km (0.105 R)
• M7: 4,522,643 km (0.059 R)
• M8: 4,968,893 km (0.062 R)
• M9: 5,526,594 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 10

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.84 AU - 2.36 AU

Year: 1996 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,933,549 km

• M1: 135,835 km (0.107 R)
• M2: 617,690 km (0.05 R)
• M3: 1,482,664 km (0.115 R)
• M4: 2,327,892 km (0.08 R)
• M5: 2,876,468 km (0.118 R)
• M6: 3,596,482 km (0.08 R)
• M7: 5,070,470 km (0.109 R)
• M8: 5,911,659 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.1

Radius: 3.7

Gravity: 27.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.47 AU - 11.63 AU

Year: 20901 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,933,549 km

• M1: 46,525 km (0.117 R)
• M2: 213,925 km (0.048 R)
• M3: 349,012 km (0.107 R)
• M4: 744,997 km (0.116 R)
• M5: 1,080,695 km (0.097 R)
• M6: 1,433,447 km (0.103 R)
• M7: 3,152,626 km (0.106 R)
• M8: 3,282,177 km (0.073 R)
• M9: 3,551,603 km (0.113 R)
• M10: 3,806,667 km (0.08 R)
• M11: 6,103,743 km (0.119 R)
• M12: 8,977,368 km (0.086 R)
• M13: 11,815,389 km (0.033 R)
• M14: 13,301,046 km (0.065 R)
• M15: 18,164,024 km (0.073 R)
• M16: 19,433,661 km (0.105 R)
• M17: 19,957,553 km (0.103 R)
• M18: 37,777,352 km (0.109 R)
• M19: 44,179,991 km (0.04 R)
• M20: 55,342,087 km (0.073 R)
• M21: 56,041,307 km (0.1 R)
• M22: 58,897,130 km (0.111 R)
• M23: 60,176,491 km (0.12 R)
• M24: 60,360,646 km (0.063 R)
• M25: 62,790,415 km (0.116 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: 457 - 20,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit