🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 13.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.59 AU - 0.65 AU

Year: 331 Days

Day: 5.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,239,467 km

• M1: 165,455 km (0.077 R)
• M2: 626,516 km (0.109 R)
• M3: 1,276,519 km (0.112 R)
• M4: 1,811,929 km (0.04 R)
• M5: 2,568,296 km (0.117 R)
• M6: 3,186,883 km (0.12 R)
• M7: 4,281,192 km (0.082 R)
• M8: 4,711,136 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 13.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.95 AU - 1.43 AU

Year: 880 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,239,467 km

• M1: 167,849 km (0.089 R)
• M2: 699,819 km (0.109 R)
• M3: 1,139,786 km (0.087 R)
• M4: 1,625,830 km (0.067 R)
• M5: 2,137,006 km (0.057 R)
• M6: 2,694,557 km (0.109 R)
• M7: 4,271,318 km (0.108 R)
• M8: 6,352,524 km (0.099 R)
• M9: 7,442,943 km (0.115 R)
• M10: 8,573,454 km (0.096 R)
• M11: 9,904,277 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 13.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.14 AU - 1.28 AU

Year: 903 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,239,467 km

• M1: 169,195 km (0.112 R)
• M2: 709,991 km (0.116 R)
• M3: 1,358,049 km (0.115 R)
• M4: 1,784,852 km (0.057 R)
• M5: 2,323,704 km (0.109 R)
• M6: 2,813,188 km (0.079 R)
• M7: 5,356,651 km (0.038 R)
• M8: 5,797,366 km (0.069 R)
• M9: 7,522,978 km (0.088 R)
• M10: 8,581,383 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.13 AU - 1.45 AU

Year: 994 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,239,467 km

• M1: 120,127 km (0.108 R)
• M2: 419,921 km (0.102 R)
• M3: 769,083 km (0.083 R)
• M4: 1,200,972 km (0.086 R)
• M5: 2,122,046 km (0.074 R)
• M6: 2,473,601 km (0.107 R)
• M7: 3,258,990 km (0.118 R)
• M8: 3,650,487 km (0.09 R)
• M9: 4,589,663 km (0.059 R)
• M10: 5,001,057 km (0.041 R)
• M11: 5,436,985 km (0.07 R)
• M12: 6,757,934 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 9.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.29 AU - 1.99 AU

Year: 1424 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,239,467 km

• M1: 123,119 km (0.108 R)
• M2: 491,130 km (0.091 R)
• M3: 1,135,747 km (0.1 R)
• M4: 1,572,872 km (0.119 R)
• M5: 2,033,334 km (0.106 R)
• M6: 2,349,135 km (0.111 R)
• M7: 2,790,748 km (0.09 R)
• M8: 3,212,614 km (0.105 R)
• M9: 3,858,129 km (0.101 R)
• M10: 4,383,517 km (0.109 R)
• M11: 6,088,484 km (0.037 R)
• M12: 7,178,753 km (0.063 R)
• M13: 9,216,874 km (0.098 R)
• M14: 9,931,952 km (0.064 R)
• M15: 10,254,336 km (0.042 R)
• M16: 12,263,585 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.6

Radius: 6.4

Gravity: 20.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.95 AU - 6.37 AU

Year: 9133 Days

Day: 22 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,239,467 km

• M1: 79,586 km (0.048 R)
• M2: 299,794 km (0.101 R)
• M3: 592,258 km (0.08 R)
• M4: 796,459 km (0.111 R)
• M5: 996,172 km (0.103 R)
• M6: 1,353,861 km (0.077 R)
• M7: 1,584,541 km (0.067 R)
• M8: 2,108,881 km (0.071 R)
• M9: 2,892,176 km (0.066 R)
• M10: 3,621,615 km (0.091 R)
• M11: 4,409,098 km (0.063 R)
• M12: 5,142,876 km (0.118 R)
• M13: 5,990,796 km (0.115 R)
• M14: 7,047,107 km (0.096 R)
• M15: 7,329,548 km (0.115 R)
• M16: 7,746,178 km (0.064 R)
• M17: 9,670,156 km (0.062 R)
• M18: 9,968,753 km (0.067 R)
• M19: 10,428,168 km (0.093 R)
• M20: 12,005,229 km (0.069 R)
• M21: 13,302,991 km (0.119 R)
• M22: 13,797,262 km (0.118 R)
• M23: 14,048,886 km (0.106 R)
• M24: 15,966,431 km (0.114 R)
• M25: 26,145,669 km (0.101 R)
• M26: 27,412,912 km (0.094 R)
• M27: 30,069,621 km (0.117 R)
• M28: 33,004,881 km (0.076 R)
• M29: 33,568,715 km (0.059 R)
• M30: 34,253,724 km (0.108 R)
• M31: 43,349,424 km (0.067 R)
• M32: 44,708,520 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.1

Radius: 7.4

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.36 AU - 8.44 AU

Year: 12293 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 97 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,239,467 km

• M1: 92,451 km (0.103 R)
• M2: 330,761 km (0.108 R)
• M3: 577,298 km (0.057 R)
• M4: 1,081,144 km (0.114 R)
• M5: 2,510,252 km (0.067 R)
• M6: 3,518,991 km (0.106 R)
• M7: 4,171,985 km (0.093 R)
• M8: 6,043,455 km (0.089 R)
• M9: 9,425,563 km (0.048 R)
• M10: 10,143,184 km (0.085 R)
• M11: 12,758,604 km (0.099 R)
• M12: 13,192,438 km (0.111 R)
• M13: 16,364,810 km (0.114 R)
• M14: 16,877,183 km (0.119 R)
• M15: 17,627,416 km (0.114 R)
• M16: 18,714,993 km (0.055 R)
• M17: 25,605,321 km (0.108 R)
• M18: 26,196,382 km (0.062 R)
• M19: 28,127,990 km (0.081 R)
• M20: 35,818,817 km (0.118 R)
• M21: 37,181,653 km (0.069 R)
• M22: 40,274,589 km (0.047 R)
• M23: 42,292,365 km (0.068 R)
• M24: 42,703,759 km (0.072 R)
• M25: 50,728,937 km (0.088 R)
• M26: 52,131,118 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 17,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit