🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 10.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.45 AU - 0.61 AU

Year: 271 Days

Day: 10.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,967,650 km

• M1: 128,654 km (0.115 R)
• M2: 487,390 km (0.092 R)
• M3: 833,559 km (0.095 R)
• M4: 1,239,867 km (0.083 R)
• M5: 1,672,953 km (0.118 R)
• M6: 2,061,159 km (0.038 R)
• M7: 2,483,624 km (0.086 R)
• M8: 2,973,407 km (0.109 R)
• M9: 3,782,582 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 8.2

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.59 AU - 0.69 AU

Year: 360 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,967,650 km

• M1: 103,073 km (0.096 R)
• M2: 391,348 km (0.064 R)
• M3: 650,302 km (0.111 R)
• M4: 920,326 km (0.105 R)
• M5: 1,332,169 km (0.11 R)
• M6: 1,609,224 km (0.063 R)
• M7: 2,004,163 km (0.043 R)
• M8: 2,453,555 km (0.092 R)
• M9: 2,772,348 km (0.071 R)
• M10: 3,365,952 km (0.051 R)
• M11: 3,736,207 km (0.073 R)
• M12: 4,460,261 km (0.115 R)
• M13: 5,027,984 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 13

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.67 AU - 0.71 AU

Year: 403 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,967,650 km

• M1: 161,715 km (0.025 R)
• M2: 711,338 km (0.115 R)
• M3: 1,522,757 km (0.114 R)
• M4: 2,515,488 km (0.118 R)
• M5: 3,258,391 km (0.065 R)
• M6: 4,234,517 km (0.084 R)
• M7: 5,061,644 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 12.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.13 AU - 1.19 AU

Year: 878 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,967,650 km

• M1: 159,920 km (0.043 R)
• M2: 920,177 km (0.073 R)
• M3: 2,451,460 km (0.093 R)
• M4: 3,086,503 km (0.089 R)
• M5: 3,793,204 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 14

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.09 AU - 1.51 AU

Year: 1042 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,967,650 km

• M1: 176,525 km (0.118 R)
• M2: 662,719 km (0.099 R)
• M3: 1,218,325 km (0.101 R)
• M4: 1,838,857 km (0.091 R)
• M5: 2,397,605 km (0.111 R)
• M6: 3,080,519 km (0.077 R)
• M7: 3,640,015 km (0.109 R)
• M8: 4,096,738 km (0.103 R)
• M9: 5,846,135 km (0.057 R)
• M10: 6,343,099 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 10.9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.54 AU - 2.36 AU

Year: 1914 Days

Day: 10 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,967,650 km

• M1: 135,536 km (0.042 R)
• M2: 604,226 km (0.077 R)
• M3: 1,764,507 km (0.055 R)
• M4: 2,343,899 km (0.084 R)
• M5: 2,773,395 km (0.099 R)
• M6: 3,173,868 km (0.113 R)
• M7: 3,612,938 km (0.102 R)
• M8: 3,959,108 km (0.042 R)
• M9: 4,307,671 km (0.051 R)
• M10: 5,339,298 km (0.087 R)
• M11: 6,063,351 km (0.108 R)
• M12: 7,796,143 km (0.032 R)
• M13: 8,825,227 km (0.115 R)
• M14: 10,155,601 km (0.061 R)
• M15: 10,553,980 km (0.037 R)
• M16: 14,351,522 km (0.117 R)
• M17: 14,992,848 km (0.101 R)
• M18: 16,136,374 km (0.109 R)
• M19: 16,480,599 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.3

Radius: 10.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.95 AU - 2.07 AU

Year: 2003 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,967,650 km

• M1: 133,740 km (0.116 R)
• M2: 477,367 km (0.034 R)
• M3: 826,678 km (0.118 R)
• M4: 1,907,223 km (0.116 R)
• M5: 2,258,329 km (0.111 R)
• M6: 2,900,703 km (0.117 R)
• M7: 3,567,012 km (0.092 R)
• M8: 4,660,572 km (0.116 R)
• M9: 5,124,026 km (0.038 R)
• M10: 5,470,645 km (0.119 R)
• M11: 7,092,136 km (0.067 R)
• M12: 7,523,726 km (0.062 R)
• M13: 8,751,625 km (0.092 R)
• M14: 9,733,735 km (0.119 R)
• M15: 10,140,192 km (0.068 R)
• M16: 11,121,704 km (0.119 R)
• M17: 11,845,608 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.8

Radius: 3.9

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.97 AU - 9.91 AU

Year: 18789 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,967,650 km

• M1: 48,619 km (0.07 R)
• M2: 182,509 km (0.104 R)
• M3: 886,068 km (0.119 R)
• M4: 1,579,305 km (0.092 R)
• M5: 3,219,496 km (0.061 R)
• M6: 4,719,813 km (0.057 R)
• M7: 9,738,073 km (0.052 R)
• M8: 10,616,811 km (0.081 R)
• M9: 11,491,061 km (0.04 R)
• M10: 12,119,223 km (0.074 R)
• M11: 12,769,973 km (0.06 R)
• M12: 14,269,991 km (0.07 R)
• M13: 16,806,423 km (0.097 R)
• M14: 16,951,533 km (0.045 R)
• M15: 17,689,649 km (0.111 R)
• M16: 19,229,460 km (0.117 R)
• M17: 22,048,482 km (0.093 R)
• M18: 27,271,393 km (0.092 R)
• M19: 31,139,994 km (0.091 R)
• M20: 41,642,961 km (0.101 R)
• M21: 43,801,060 km (0.114 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: 409 - 17,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit