🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 10.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.67 AU - 0.97 AU

Year: 495 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,684,599 km

• M1: 128,056 km (0.07 R)
• M2: 476,469 km (0.061 R)
• M3: 1,222,663 km (0.106 R)
• M4: 1,845,140 km (0.059 R)
• M5: 2,834,580 km (0.111 R)
• M6: 3,322,419 km (0.081 R)
• M7: 4,371,549 km (0.083 R)
• M8: 4,790,423 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 8.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.2 AU - 1.66 AU

Year: 1140 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,684,599 km

• M1: 100,829 km (0.084 R)
• M2: 392,096 km (0.076 R)
• M3: 699,220 km (0.109 R)
• M4: 1,028,336 km (0.119 R)
• M5: 1,685,818 km (0.115 R)
• M6: 2,327,294 km (0.084 R)
• M7: 2,658,354 km (0.083 R)
• M8: 2,954,408 km (0.113 R)
• M9: 3,249,116 km (0.112 R)
• M10: 3,625,953 km (0.077 R)
• M11: 4,183,056 km (0.09 R)
• M12: 4,540,894 km (0.111 R)
• M13: 4,795,958 km (0.101 R)
• M14: 5,351,116 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 14.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.22 AU - 1.76 AU

Year: 1213 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,684,599 km

• M1: 186,399 km (0.081 R)
• M2: 708,196 km (0.112 R)
• M3: 1,468,602 km (0.064 R)
• M4: 2,119,503 km (0.089 R)
• M5: 2,756,939 km (0.09 R)
• M6: 3,321,372 km (0.12 R)
• M7: 4,066,070 km (0.117 R)
• M8: 4,821,839 km (0.11 R)
• M9: 6,351,776 km (0.097 R)
• M10: 6,936,404 km (0.101 R)
• M11: 7,610,193 km (0.113 R)
• M12: 9,518,464 km (0.115 R)
• M13: 10,253,288 km (0.055 R)
• M14: 10,991,404 km (0.085 R)
• M15: 11,692,869 km (0.052 R)
• M16: 12,201,502 km (0.087 R)
• M17: 12,800,940 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 12

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.85 AU - 3.07 AU

Year: 3396 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,684,599 km

• M1: 149,299 km (0.087 R)
• M2: 609,761 km (0.09 R)
• M3: 1,284,896 km (0.057 R)
• M4: 1,952,701 km (0.104 R)
• M5: 2,555,132 km (0.025 R)
• M6: 2,992,556 km (0.107 R)
• M7: 3,428,783 km (0.098 R)
• M8: 4,553,460 km (0.104 R)
• M9: 5,022,599 km (0.109 R)
• M10: 6,952,860 km (0.097 R)
• M11: 7,345,854 km (0.099 R)
• M12: 7,842,968 km (0.106 R)
• M13: 8,456,618 km (0.101 R)
• M14: 9,884,530 km (0.05 R)
• M15: 10,382,391 km (0.093 R)
• M16: 11,898,117 km (0.117 R)
• M17: 14,851,628 km (0.118 R)
• M18: 15,887,892 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 12.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.87 AU - 3.63 AU

Year: 3907 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,684,599 km

• M1: 151,692 km (0.099 R)
• M2: 675,434 km (0.112 R)
• M3: 1,229,246 km (0.037 R)
• M4: 2,350,631 km (0.069 R)
• M5: 2,756,191 km (0.03 R)
• M6: 3,349,496 km (0.115 R)
• M7: 3,884,159 km (0.084 R)
• M8: 5,276,466 km (0.09 R)
• M9: 7,854,337 km (0.065 R)
• M10: 8,864,272 km (0.105 R)
• M11: 10,026,049 km (0.091 R)
• M12: 12,847,914 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 9.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.5 AU - 3.68 AU

Year: 4536 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,684,599 km

• M1: 122,221 km (0.109 R)
• M2: 526,734 km (0.099 R)
• M3: 1,215,034 km (0.119 R)
• M4: 2,283,761 km (0.101 R)
• M5: 2,759,482 km (0.086 R)
• M6: 4,544,933 km (0.106 R)
• M7: 4,978,468 km (0.068 R)
• M8: 5,637,297 km (0.088 R)
• M9: 5,958,334 km (0.1 R)
• M10: 6,573,181 km (0.094 R)
• M11: 7,574,439 km (0.074 R)
• M12: 9,423,619 km (0.088 R)
• M13: 11,884,952 km (0.042 R)
• M14: 12,365,610 km (0.117 R)
• M15: 12,759,502 km (0.093 R)
• M16: 13,110,907 km (0.062 R)
• M17: 14,419,440 km (0.093 R)
• M18: 15,357,568 km (0.12 R)
• M19: 16,335,938 km (0.055 R)
• M20: 18,801,161 km (0.07 R)
• M21: 20,325,713 km (0.097 R)
• M22: 23,022,514 km (0.092 R)
• M23: 25,313,456 km (0.084 R)
• M24: 25,949,247 km (0.043 R)
• M25: 27,087,238 km (0.112 R)
• M26: 27,920,348 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 18,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit