🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 9.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 7.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,475,287 km

• M1: 116,238 km (0.071 R)
• M2: 578,645 km (0.066 R)
• M3: 1,005,597 km (0.064 R)
• M4: 1,310,477 km (0.085 R)
• M5: 1,690,007 km (0.09 R)
• M6: 2,505,764 km (0.075 R)
• M7: 2,832,785 km (0.082 R)
• M8: 3,197,505 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 10.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.87 AU - 1.01 AU

Year: 629 Days

Day: 6 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,475,287 km

• M1: 129,402 km (0.078 R)
• M2: 463,155 km (0.117 R)
• M3: 971,937 km (0.104 R)
• M4: 1,320,800 km (0.107 R)
• M5: 2,018,524 km (0.078 R)
• M6: 2,946,330 km (0.071 R)
• M7: 3,429,232 km (0.068 R)
• M8: 4,440,514 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 14.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.46 AU - 2.04 AU

Year: 1598 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,475,287 km

• M1: 185,950 km (0.091 R)
• M2: 686,953 km (0.106 R)
• M3: 1,395,299 km (0.118 R)
• M4: 2,381,449 km (0.049 R)
• M5: 3,142,303 km (0.098 R)
• M6: 3,620,268 km (0.11 R)
• M7: 4,129,799 km (0.08 R)
• M8: 5,650,461 km (0.106 R)
• M9: 8,752,822 km (0.029 R)
• M10: 9,342,836 km (0.083 R)
• M11: 10,569,987 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 9.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.1 AU - 3.62 AU

Year: 4251 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,475,287 km

• M1: 119,379 km (0.078 R)
• M2: 620,233 km (0.108 R)
• M3: 1,621,791 km (0.09 R)
• M4: 1,927,419 km (0.089 R)
• M5: 2,423,934 km (0.092 R)
• M6: 3,945,045 km (0.116 R)
• M7: 4,250,076 km (0.108 R)
• M8: 4,637,085 km (0.105 R)
• M9: 4,954,382 km (0.085 R)
• M10: 5,632,509 km (0.036 R)
• M11: 6,020,716 km (0.07 R)
• M12: 6,908,579 km (0.112 R)
• M13: 7,818,134 km (0.073 R)
• M14: 9,689,903 km (0.092 R)
• M15: 13,966,906 km (0.031 R)
• M16: 14,439,486 km (0.109 R)
• M17: 18,107,326 km (0.103 R)
• M18: 19,243,073 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 14.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.73 AU - 5.67 AU

Year: 7033 Days

Day: 12 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,475,287 km

• M1: 180,565 km (0.116 R)
• M2: 914,941 km (0.107 R)
• M3: 1,720,974 km (0.067 R)
• M4: 2,340,758 km (0.032 R)
• M5: 3,314,042 km (0.1 R)
• M6: 3,800,983 km (0.111 R)
• M7: 4,438,569 km (0.091 R)
• M8: 4,893,496 km (0.109 R)
• M9: 5,498,919 km (0.094 R)
• M10: 6,057,218 km (0.073 R)
• M11: 7,001,180 km (0.114 R)
• M12: 7,658,513 km (0.115 R)
• M13: 8,639,576 km (0.089 R)
• M14: 9,224,654 km (0.09 R)
• M15: 9,791,629 km (0.026 R)
• M16: 10,335,567 km (0.094 R)
• M17: 11,189,322 km (0.042 R)
• M18: 11,733,859 km (0.092 R)
• M19: 13,921,578 km (0.03 R)
• M20: 15,022,618 km (0.093 R)
• M21: 21,568,123 km (0.12 R)
• M22: 24,830,853 km (0.067 R)
• M23: 27,865,595 km (0.119 R)
• M24: 28,592,491 km (0.086 R)
• M25: 29,518,951 km (0.089 R)
• M26: 32,819,080 km (0.12 R)
• M27: 34,246,842 km (0.118 R)
• M28: 34,975,982 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.5

Radius: 7.2

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.28 AU - 6.8 AU

Year: 10246 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,475,287 km

• M1: 119,828 km (0.044 R)
• M2: 422,913 km (0.116 R)
• M3: 652,097 km (0.04 R)
• M4: 2,631,875 km (0.053 R)
• M5: 3,203,040 km (0.109 R)
• M6: 3,961,501 km (0.036 R)
• M7: 4,296,451 km (0.091 R)
• M8: 7,483,633 km (0.094 R)
• M9: 7,866,006 km (0.119 R)
• M10: 8,902,569 km (0.072 R)
• M11: 18,831,530 km (0.106 R)
• M12: 21,259,353 km (0.058 R)
• M13: 24,438,607 km (0.039 R)
• M14: 26,141,181 km (0.107 R)
• M15: 28,225,677 km (0.083 R)
• M16: 31,065,344 km (0.119 R)
• M17: 34,670,803 km (0.091 R)
• M18: 36,816,634 km (0.106 R)
• M19: 44,884,298 km (0.097 R)
• M20: 47,286,092 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 18,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit