🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 8.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.48 AU - 0.8 AU

Year: 360 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,631,373 km

• M1: 105,766 km (0.113 R)
• M2: 662,719 km (0.105 R)
• M3: 932,743 km (0.112 R)
• M4: 1,297,911 km (0.079 R)
• M5: 1,615,657 km (0.078 R)
• M6: 2,464,775 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 13.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.72 AU - 1.06 AU

Year: 590 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,631,373 km

• M1: 165,455 km (0.108 R)
• M2: 722,109 km (0.117 R)
• M3: 1,227,151 km (0.097 R)
• M4: 1,703,172 km (0.114 R)
• M5: 2,267,904 km (0.068 R)
• M6: 2,988,816 km (0.109 R)
• M7: 3,579,578 km (0.11 R)
• M8: 4,219,857 km (0.055 R)
• M9: 4,997,466 km (0.098 R)
• M10: 5,885,928 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 11.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.78 AU - 1.12 AU

Year: 651 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,631,373 km

• M1: 139,276 km (0.107 R)
• M2: 491,429 km (0.059 R)
• M3: 907,161 km (0.101 R)
• M4: 1,289,085 km (0.076 R)
• M5: 1,939,237 km (0.049 R)
• M6: 2,296,327 km (0.114 R)
• M7: 2,654,614 km (0.096 R)
• M8: 3,015,145 km (0.046 R)
• M9: 4,607,914 km (0.119 R)
• M10: 5,825,341 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 14.1

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.54 AU - 3.22 AU

Year: 3436 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,631,373 km

• M1: 175,777 km (0.096 R)
• M2: 636,539 km (0.096 R)
• M3: 1,170,304 km (0.115 R)
• M4: 1,714,392 km (0.113 R)
• M5: 2,253,393 km (0.068 R)
• M6: 3,782,433 km (0.112 R)
• M7: 4,339,685 km (0.09 R)
• M8: 5,075,856 km (0.106 R)
• M9: 6,320,510 km (0.113 R)
• M10: 7,140,905 km (0.09 R)
• M11: 9,874,357 km (0.109 R)
• M12: 10,355,913 km (0.111 R)
• M13: 12,121,018 km (0.043 R)
• M14: 13,146,960 km (0.09 R)
• M15: 14,028,840 km (0.105 R)
• M16: 20,622,066 km (0.097 R)
• M17: 22,083,488 km (0.107 R)
• M18: 24,258,791 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 9.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.27 AU - 6.39 AU

Year: 8650 Days

Day: 6.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,631,373 km

• M1: 118,182 km (0.041 R)
• M2: 707,897 km (0.068 R)
• M3: 1,365,529 km (0.105 R)
• M4: 1,763,460 km (0.077 R)
• M5: 4,235,714 km (0.117 R)
• M6: 5,301,898 km (0.033 R)
• M7: 6,354,768 km (0.058 R)
• M8: 8,831,660 km (0.119 R)
• M9: 12,886,809 km (0.064 R)
• M10: 14,405,377 km (0.071 R)
• M11: 15,647,788 km (0.055 R)
• M12: 22,450,003 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704

Radius: 3.8

Gravity: 48.75 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.33 AU - 6.83 AU

Year: 9265 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,631,373 km

• M1: 54,454 km (0.072 R)
• M2: 218,263 km (0.098 R)
• M3: 338,091 km (0.12 R)
• M4: 460,612 km (0.09 R)
• M5: 643,271 km (0.111 R)
• M6: 1,132,905 km (0.093 R)
• M7: 2,050,239 km (0.072 R)
• M8: 2,262,219 km (0.101 R)
• M9: 3,401,407 km (0.112 R)
• M10: 3,879,970 km (0.099 R)
• M11: 4,176,623 km (0.105 R)
• M12: 5,062,990 km (0.064 R)
• M13: 5,351,714 km (0.072 R)
• M14: 5,997,079 km (0.065 R)
• M15: 6,139,347 km (0.106 R)
• M16: 11,152,222 km (0.111 R)
• M17: 13,859,944 km (0.117 R)
• M18: 13,983,960 km (0.096 R)
• M19: 15,597,972 km (0.101 R)
• M20: 17,839,696 km (0.119 R)
• M21: 20,207,381 km (0.069 R)
• M22: 23,297,624 km (0.112 R)
• M23: 26,306,935 km (0.068 R)
• M24: 26,688,410 km (0.075 R)
• M25: 27,756,389 km (0.093 R)
• M26: 28,052,593 km (0.081 R)
• M27: 29,565,177 km (0.108 R)
• M28: 29,770,874 km (0.09 R)
• M29: 29,977,618 km (0.118 R)
• M30: 30,498,368 km (0.054 R)
• M31: 34,314,161 km (0.028 R)
• M32: 35,808,943 km (0.089 R)
• M33: 38,558,702 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.6

Radius: 4.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6 AU - 7.98 AU

Year: 12990 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,631,373 km

• M1: 59,690 km (0.058 R)
• M2: 236,365 km (0.109 R)
• M3: 970,890 km (0.069 R)
• M4: 1,171,351 km (0.09 R)
• M5: 1,435,691 km (0.11 R)
• M6: 1,615,507 km (0.049 R)
• M7: 2,656,709 km (0.09 R)
• M8: 3,010,508 km (0.032 R)
• M9: 3,350,544 km (0.101 R)
• M10: 3,957,462 km (0.052 R)
• M11: 4,209,385 km (0.091 R)
• M12: 4,552,862 km (0.092 R)
• M13: 5,508,642 km (0.03 R)
• M14: 5,695,789 km (0.111 R)
• M15: 6,521,719 km (0.112 R)
• M16: 8,740,405 km (0.082 R)
• M17: 9,038,255 km (0.068 R)
• M18: 10,250,895 km (0.077 R)
• M19: 12,135,529 km (0.083 R)
• M20: 14,239,324 km (0.04 R)
• M21: 18,036,566 km (0.113 R)
• M22: 24,663,154 km (0.068 R)
• M23: 26,123,528 km (0.063 R)
• M24: 26,387,120 km (0.098 R)
• M25: 28,097,622 km (0.108 R)
• M26: 29,121,021 km (0.092 R)
• M27: 30,751,189 km (0.072 R)
• M28: 31,738,086 km (0.076 R)
• M29: 33,463,697 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.2

Radius: 6.8

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.37 AU - 9.73 AU

Year: 20745 Days

Day: 15.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,631,373 km

• M1: 84,523 km (0.068 R)
• M2: 608,115 km (0.044 R)
• M3: 1,355,357 km (0.106 R)
• M4: 2,974,006 km (0.109 R)
• M5: 3,583,318 km (0.093 R)
• M6: 4,339,685 km (0.102 R)
• M7: 4,649,203 km (0.109 R)
• M8: 4,973,531 km (0.109 R)
• M9: 5,870,968 km (0.056 R)
• M10: 8,822,385 km (0.066 R)
• M11: 10,131,067 km (0.06 R)
• M12: 12,026,023 km (0.09 R)
• M13: 12,916,131 km (0.045 R)
• M14: 13,923,074 km (0.058 R)
• M15: 18,835,718 km (0.092 R)
• M16: 20,700,157 km (0.065 R)
• M17: 26,797,317 km (0.093 R)
• M18: 33,062,027 km (0.052 R)
• M19: 47,707,958 km (0.081 R)
• M20: 58,137,173 km (0.114 R)
• M21: 58,907,752 km (0.113 R)
• M22: 69,338,164 km (0.101 R)
• M23: 71,298,196 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 18,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit