🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 13.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,181,530 km

• M1: 163,062 km (0.114 R)
• M2: 587,321 km (0.092 R)
• M3: 1,013,974 km (0.03 R)
• M4: 1,499,868 km (0.116 R)
• M5: 2,116,511 km (0.059 R)
• M6: 2,689,022 km (0.091 R)
• M7: 3,096,676 km (0.107 R)
• M8: 4,148,798 km (0.07 R)
• M9: 5,148,560 km (0.076 R)
• M10: 5,888,621 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 12.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.74 AU - 1.88 AU

Year: 1681 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,181,530 km

• M1: 153,039 km (0.104 R)
• M2: 600,037 km (0.084 R)
• M3: 1,143,526 km (0.07 R)
• M4: 1,727,556 km (0.026 R)
• M5: 2,128,927 km (0.111 R)
• M6: 3,845,862 km (0.119 R)
• M7: 4,712,931 km (0.078 R)
• M8: 5,339,447 km (0.076 R)
• M9: 5,884,582 km (0.088 R)
• M10: 7,504,278 km (0.097 R)
• M11: 8,826,873 km (0.118 R)
• M12: 9,748,844 km (0.103 R)
• M13: 11,215,951 km (0.12 R)
• M14: 11,748,370 km (0.089 R)
• M15: 12,863,771 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.6

Radius: 14.3

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.19 AU - 2.83 AU

Year: 2745 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,181,530 km

• M1: 177,872 km (0.12 R)
• M2: 660,325 km (0.093 R)
• M3: 1,188,106 km (0.111 R)
• M4: 1,717,982 km (0.11 R)
• M5: 2,231,851 km (0.072 R)
• M6: 2,756,042 km (0.106 R)
• M7: 3,362,661 km (0.113 R)
• M8: 4,387,257 km (0.088 R)
• M9: 5,995,733 km (0.065 R)
• M10: 6,481,029 km (0.082 R)
• M11: 8,292,360 km (0.054 R)
• M12: 9,458,176 km (0.101 R)
• M13: 9,968,903 km (0.096 R)
• M14: 11,045,858 km (0.064 R)
• M15: 12,805,129 km (0.026 R)
• M16: 15,532,597 km (0.074 R)
• M17: 16,767,378 km (0.114 R)
• M18: 18,627,179 km (0.076 R)
• M19: 19,431,716 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 10.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.39 AU - 2.71 AU

Year: 2811 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,181,530 km

• M1: 135,685 km (0.09 R)
• M2: 499,956 km (0.057 R)
• M3: 936,183 km (0.112 R)
• M4: 1,290,132 km (0.084 R)
• M5: 1,699,282 km (0.118 R)
• M6: 2,162,736 km (0.088 R)
• M7: 3,510,464 km (0.105 R)
• M8: 3,917,519 km (0.11 R)
• M9: 4,660,422 km (0.075 R)
• M10: 5,017,513 km (0.09 R)
• M11: 5,392,854 km (0.091 R)
• M12: 5,872,464 km (0.053 R)
• M13: 6,703,630 km (0.103 R)
• M14: 8,002,140 km (0.115 R)
• M15: 9,226,000 km (0.116 R)
• M16: 10,285,452 km (0.108 R)
• M17: 11,024,765 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.2

Radius: 4.2

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.29 AU - 6.11 AU

Year: 9393 Days

Day: 19.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,181,530 km

• M1: 55,950 km (0.111 R)
• M2: 468,391 km (0.085 R)
• M3: 690,993 km (0.101 R)
• M4: 920,924 km (0.112 R)
• M5: 1,110,914 km (0.081 R)
• M6: 1,497,923 km (0.12 R)
• M7: 1,788,742 km (0.116 R)
• M8: 2,207,915 km (0.075 R)
• M9: 2,383,094 km (0.068 R)
• M10: 2,815,881 km (0.099 R)
• M11: 3,238,345 km (0.119 R)
• M12: 3,813,100 km (0.09 R)
• M13: 4,707,546 km (0.045 R)
• M14: 5,557,860 km (0.106 R)
• M15: 5,763,258 km (0.11 R)
• M16: 13,998,172 km (0.106 R)
• M17: 21,010,423 km (0.115 R)
• M18: 25,541,293 km (0.118 R)
• M19: 25,945,955 km (0.043 R)
• M20: 26,602,092 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.5

Radius: 3.4

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.95 AU - 10.69 AU

Year: 19640 Days

Day: 23 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,181,530 km

• M1: 91,255 km (0.117 R)
• M2: 276,307 km (0.049 R)
• M3: 594,502 km (0.097 R)
• M4: 1,167,013 km (0.11 R)
• M5: 1,744,461 km (0.114 R)
• M6: 1,914,554 km (0.093 R)
• M7: 2,040,216 km (0.083 R)
• M8: 2,983,730 km (0.09 R)
• M9: 3,152,925 km (0.048 R)
• M10: 4,648,903 km (0.114 R)
• M11: 5,043,543 km (0.096 R)
• M12: 5,603,936 km (0.109 R)
• M13: 5,750,393 km (0.038 R)
• M14: 5,861,843 km (0.112 R)
• M15: 7,401,055 km (0.101 R)
• M16: 8,216,364 km (0.087 R)
• M17: 9,969,651 km (0.096 R)
• M18: 10,293,381 km (0.119 R)
• M19: 13,660,230 km (0.097 R)
• M20: 15,879,515 km (0.106 R)
• M21: 18,407,868 km (0.111 R)
• M22: 21,280,596 km (0.087 R)
• M23: 28,214,158 km (0.086 R)
• M24: 28,860,870 km (0.032 R)
• M25: 33,547,323 km (0.103 R)
• M26: 37,023,678 km (0.119 R)
• M27: 37,798,595 km (0.117 R)
• M28: 39,783,011 km (0.072 R)
• M29: 41,696,816 km (0.111 R)
• M30: 42,676,383 km (0.106 R)
• M31: 43,671,059 km (0.114 R)
• M32: 48,723,278 km (0.093 R)
• M33: 49,342,165 km (0.082 R)
• M34: 50,122,916 km (0.111 R)
• M35: 52,677,150 km (0.099 R)
• M36: 53,165,438 km (0.117 R)
• M37: 54,648,701 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 18,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit