🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 9.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.18 AU - 1.72 AU

Year: 1145 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,557,536 km

• M1: 114,442 km (0.115 R)
• M2: 418,276 km (0.085 R)
• M3: 706,850 km (0.101 R)
• M4: 999,613 km (0.1 R)
• M5: 1,675,047 km (0.112 R)
• M6: 2,008,351 km (0.092 R)
• M7: 2,419,746 km (0.118 R)
• M8: 2,874,074 km (0.112 R)
• M9: 3,691,627 km (0.098 R)
• M10: 4,534,162 km (0.082 R)
• M11: 5,188,802 km (0.108 R)
• M12: 5,578,953 km (0.063 R)
• M13: 6,222,374 km (0.058 R)
• M14: 6,891,376 km (0.101 R)
• M15: 8,060,632 km (0.115 R)
• M16: 9,847,878 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 9.8

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.44 AU - 1.72 AU

Year: 1303 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,557,536 km

• M1: 121,922 km (0.056 R)
• M2: 474,076 km (0.055 R)
• M3: 780,602 km (0.09 R)
• M4: 1,464,414 km (0.061 R)
• M5: 1,890,618 km (0.101 R)
• M6: 3,181,049 km (0.105 R)
• M7: 3,608,151 km (0.066 R)
• M8: 4,266,531 km (0.047 R)
• M9: 4,596,544 km (0.085 R)
• M10: 6,023,109 km (0.093 R)
• M11: 6,415,953 km (0.066 R)
• M12: 7,150,928 km (0.077 R)
• M13: 7,995,707 km (0.103 R)
• M14: 10,430,412 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 14.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.73 AU - 1.85 AU

Year: 1571 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,557,536 km

• M1: 179,218 km (0.086 R)
• M2: 951,143 km (0.043 R)
• M3: 1,508,695 km (0.047 R)
• M4: 2,054,876 km (0.118 R)
• M5: 3,214,858 km (0.036 R)
• M6: 4,044,977 km (0.112 R)
• M7: 4,642,022 km (0.056 R)
• M8: 5,916,297 km (0.076 R)
• M9: 6,603,998 km (0.102 R)
• M10: 7,852,991 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 11.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.87 AU - 2.03 AU

Year: 1786 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,557,536 km

• M1: 147,952 km (0.112 R)
• M2: 628,311 km (0.098 R)
• M3: 1,075,609 km (0.116 R)
• M4: 1,504,057 km (0.106 R)
• M5: 2,447,272 km (0.103 R)
• M6: 3,505,377 km (0.119 R)
• M7: 3,884,010 km (0.118 R)
• M8: 4,470,433 km (0.107 R)
• M9: 5,206,903 km (0.098 R)
• M10: 5,761,463 km (0.075 R)
• M11: 6,250,049 km (0.079 R)
• M12: 6,989,362 km (0.083 R)

Asteroid Belt

Center: 3.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.1

Radius: 13.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.2 AU - 6.92 AU

Year: 8600 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,557,536 km

• M1: 178,021 km (0.093 R)
• M2: 737,368 km (0.1 R)
• M3: 1,473,090 km (0.082 R)
• M4: 2,018,674 km (0.117 R)
• M5: 2,784,316 km (0.089 R)
• M6: 4,895,142 km (0.115 R)
• M7: 5,978,529 km (0.098 R)
• M8: 6,435,700 km (0.069 R)
• M9: 6,883,297 km (0.1 R)
• M10: 11,072,486 km (0.103 R)
• M11: 13,032,518 km (0.096 R)
• M12: 17,940,525 km (0.045 R)
• M13: 19,353,477 km (0.032 R)
• M14: 20,087,104 km (0.116 R)
• M15: 26,558,708 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.8

Radius: 4.1

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.11 AU - 7.41 AU

Year: 11530 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,557,536 km

• M1: 54,304 km (0.051 R)
• M2: 413,788 km (0.073 R)
• M3: 542,891 km (0.036 R)
• M4: 763,847 km (0.107 R)
• M5: 1,073,814 km (0.11 R)
• M6: 1,217,128 km (0.112 R)
• M7: 1,398,291 km (0.063 R)
• M8: 1,845,888 km (0.112 R)
• M9: 2,153,461 km (0.118 R)
• M10: 2,456,696 km (0.103 R)
• M11: 2,707,422 km (0.093 R)
• M12: 4,064,724 km (0.096 R)
• M13: 5,270,483 km (0.045 R)
• M14: 6,550,592 km (0.039 R)
• M15: 7,070,295 km (0.089 R)
• M16: 8,275,754 km (0.073 R)
• M17: 9,472,238 km (0.116 R)
• M18: 9,800,306 km (0.096 R)
• M19: 10,282,011 km (0.115 R)
• M20: 10,779,424 km (0.109 R)
• M21: 11,136,963 km (0.065 R)
• M22: 12,423,206 km (0.051 R)
• M23: 13,686,260 km (0.114 R)
• M24: 16,464,592 km (0.111 R)
• M25: 18,271,435 km (0.06 R)
• M26: 19,296,929 km (0.08 R)
• M27: 19,446,526 km (0.072 R)
• M28: 21,382,173 km (0.077 R)
• M29: 23,104,194 km (0.115 R)
• M30: 31,743,322 km (0.045 R)
• M31: 35,413,406 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 11,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit