🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 12.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.68 AU - 0.74 AU

Year: 413 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 89.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,554,870 km

• M1: 150,495 km (0.118 R)
• M2: 558,150 km (0.089 R)
• M3: 940,821 km (0.073 R)
• M4: 1,584,989 km (0.079 R)
• M5: 2,046,349 km (0.059 R)
• M6: 2,607,192 km (0.068 R)
• M7: 3,234,007 km (0.084 R)
• M8: 3,774,953 km (0.075 R)
• M9: 4,247,682 km (0.108 R)
• M10: 4,714,427 km (0.107 R)
• M11: 5,478,872 km (0.094 R)
• M12: 5,891,314 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.6

Radius: 14.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.62 AU - 0.94 AU

Year: 476 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 97 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,554,870 km

• M1: 180,415 km (0.114 R)
• M2: 650,003 km (0.077 R)
• M3: 1,187,358 km (0.079 R)
• M4: 1,860,698 km (0.072 R)
• M5: 2,361,103 km (0.114 R)
• M6: 2,834,730 km (0.091 R)
• M7: 3,666,345 km (0.108 R)
• M8: 4,154,333 km (0.05 R)
• M9: 4,960,516 km (0.096 R)
• M10: 5,974,640 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 13.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.4 AU - 2.3 AU

Year: 1737 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,554,870 km

• M1: 166,652 km (0.082 R)
• M2: 830,567 km (0.097 R)
• M3: 1,463,366 km (0.113 R)
• M4: 1,983,518 km (0.119 R)
• M5: 2,595,972 km (0.109 R)
• M6: 4,695,877 km (0.106 R)
• M7: 5,125,672 km (0.074 R)
• M8: 6,288,945 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 10.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.26 AU - 2.7 AU

Year: 2696 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,554,870 km

• M1: 130,599 km (0.117 R)
• M2: 536,907 km (0.111 R)
• M3: 978,220 km (0.067 R)
• M4: 1,538,165 km (0.116 R)
• M5: 2,056,372 km (0.036 R)
• M6: 2,554,982 km (0.114 R)
• M7: 4,338,787 km (0.062 R)
• M8: 5,120,885 km (0.1 R)
• M9: 6,886,289 km (0.11 R)
• M10: 7,667,040 km (0.109 R)
• M11: 8,180,760 km (0.106 R)
• M12: 8,778,253 km (0.032 R)
• M13: 9,119,187 km (0.098 R)
• M14: 9,501,260 km (0.093 R)
• M15: 11,909,337 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 9.5

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.29 AU - 4.87 AU

Year: 5689 Days

Day: 14.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,554,870 km

• M1: 118,631 km (0.072 R)
• M2: 465,399 km (0.061 R)
• M3: 849,417 km (0.078 R)
• M4: 1,311,375 km (0.09 R)
• M5: 4,025,380 km (0.091 R)
• M6: 4,342,677 km (0.093 R)
• M7: 5,367,721 km (0.098 R)
• M8: 5,999,323 km (0.088 R)
• M9: 7,126,244 km (0.111 R)
• M10: 7,519,537 km (0.089 R)
• M11: 7,851,943 km (0.091 R)
• M12: 8,271,715 km (0.066 R)
• M13: 9,837,855 km (0.111 R)
• M14: 11,544,019 km (0.102 R)
• M15: 13,874,604 km (0.044 R)
• M16: 15,004,666 km (0.096 R)
• M17: 15,355,473 km (0.077 R)
• M18: 16,875,986 km (0.103 R)
• M19: 18,965,868 km (0.032 R)
• M20: 19,445,030 km (0.098 R)
• M21: 25,179,715 km (0.069 R)
• M22: 27,201,680 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.7

Radius: 6.7

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.39 AU - 6.23 AU

Year: 9667 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,554,870 km

• M1: 83,326 km (0.062 R)
• M2: 312,360 km (0.111 R)
• M3: 533,765 km (0.12 R)
• M4: 785,688 km (0.108 R)
• M5: 1,106,575 km (0.114 R)
• M6: 1,341,893 km (0.053 R)
• M7: 1,554,172 km (0.068 R)
• M8: 3,463,191 km (0.103 R)
• M9: 4,274,460 km (0.09 R)
• M10: 4,891,850 km (0.028 R)
• M11: 6,121,994 km (0.087 R)
• M12: 6,339,359 km (0.088 R)
• M13: 6,637,209 km (0.056 R)
• M14: 7,628,743 km (0.052 R)
• M15: 8,094,890 km (0.119 R)
• M16: 8,356,986 km (0.103 R)
• M17: 9,037,357 km (0.064 R)
• M18: 10,354,117 km (0.079 R)
• M19: 11,138,459 km (0.047 R)
• M20: 11,738,347 km (0.051 R)
• M21: 14,165,123 km (0.087 R)
• M22: 16,978,311 km (0.112 R)
• M23: 18,141,435 km (0.092 R)
• M24: 23,327,245 km (0.117 R)
• M25: 25,877,440 km (0.107 R)
• M26: 29,012,562 km (0.098 R)
• M27: 33,949,741 km (0.102 R)
• M28: 35,790,393 km (0.078 R)
• M29: 38,797,909 km (0.083 R)
• M30: 39,543,953 km (0.109 R)
• M31: 40,680,897 km (0.105 R)
• M32: 41,321,924 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.6

Radius: 6.8

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.63 AU - 8.79 AU

Year: 13363 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,554,870 km

• M1: 91,105 km (0.109 R)
• M2: 375,491 km (0.049 R)
• M3: 696,827 km (0.111 R)
• M4: 2,329,538 km (0.103 R)
• M5: 3,431,925 km (0.049 R)
• M6: 5,969,105 km (0.118 R)
• M7: 8,767,482 km (0.097 R)
• M8: 9,072,662 km (0.106 R)
• M9: 10,938,297 km (0.084 R)
• M10: 12,849,560 km (0.092 R)
• M11: 13,645,719 km (0.066 R)
• M12: 14,264,157 km (0.115 R)
• M13: 15,190,168 km (0.056 R)
• M14: 18,705,568 km (0.107 R)
• M15: 20,428,636 km (0.081 R)
• M16: 22,443,421 km (0.06 R)
• M17: 26,544,796 km (0.047 R)
• M18: 28,493,308 km (0.116 R)
• M19: 42,511,377 km (0.084 R)
• M20: 46,696,377 km (0.055 R)
• M21: 53,307,406 km (0.042 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: 445 - 15,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit