🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.6

Radius: 11.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 372 Days

Day: 6.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,871,835 km

• M1: 139,276 km (0.12 R)
• M2: 508,932 km (0.078 R)
• M3: 1,119,890 km (0.112 R)
• M4: 1,514,230 km (0.12 R)
• M5: 2,025,406 km (0.063 R)
• M6: 2,511,599 km (0.058 R)
• M7: 2,911,623 km (0.069 R)
• M8: 3,365,204 km (0.097 R)
• M9: 3,927,094 km (0.09 R)
• M10: 4,362,274 km (0.092 R)
• M11: 4,958,721 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.29 AU - 1.71 AU

Year: 1168 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,871,835 km

• M1: 100,679 km (0.113 R)
• M2: 401,521 km (0.025 R)
• M3: 683,064 km (0.096 R)
• M4: 1,076,207 km (0.109 R)
• M5: 1,343,688 km (0.068 R)
• M6: 1,615,358 km (0.099 R)
• M7: 2,064,151 km (0.12 R)
• M8: 3,171,624 km (0.101 R)
• M9: 3,560,878 km (0.099 R)
• M10: 4,992,679 km (0.101 R)
• M11: 5,885,928 km (0.098 R)
• M12: 6,226,712 km (0.111 R)
• M13: 6,947,624 km (0.104 R)
• M14: 7,420,054 km (0.069 R)
• M15: 8,230,127 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 10.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.93 AU - 4.11 AU

Year: 5125 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,871,835 km

• M1: 134,488 km (0.112 R)
• M2: 458,966 km (0.116 R)
• M3: 1,097,600 km (0.116 R)
• M4: 1,437,187 km (0.059 R)
• M5: 2,001,919 km (0.118 R)
• M6: 2,456,696 km (0.116 R)
• M7: 3,103,557 km (0.03 R)
• M8: 3,516,448 km (0.098 R)
• M9: 5,207,951 km (0.058 R)
• M10: 6,073,973 km (0.056 R)
• M11: 6,753,745 km (0.117 R)
• M12: 9,634,701 km (0.101 R)
• M13: 10,435,349 km (0.112 R)
• M14: 11,366,745 km (0.091 R)
• M15: 13,152,645 km (0.069 R)
• M16: 14,037,067 km (0.116 R)
• M17: 15,490,860 km (0.111 R)
• M18: 15,924,095 km (0.081 R)
• M19: 18,272,782 km (0.086 R)
• M20: 19,311,140 km (0.12 R)
• M21: 20,908,846 km (0.098 R)
• M22: 21,976,675 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.4

Radius: 4.6

Gravity: 41.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.02 AU - 7.3 AU

Year: 9721 Days

Day: 23.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,871,835 km

• M1: 58,044 km (0.089 R)
• M2: 216,618 km (0.078 R)
• M3: 473,178 km (0.092 R)
• M4: 632,949 km (0.092 R)
• M5: 876,793 km (0.049 R)
• M6: 1,193,641 km (0.089 R)
• M7: 1,539,212 km (0.098 R)
• M8: 1,931,458 km (0.038 R)
• M9: 2,291,091 km (0.068 R)
• M10: 2,715,201 km (0.113 R)
• M11: 3,118,816 km (0.11 R)
• M12: 3,359,819 km (0.099 R)
• M13: 5,010,182 km (0.084 R)
• M14: 7,639,365 km (0.057 R)
• M15: 8,302,831 km (0.106 R)
• M16: 10,050,583 km (0.093 R)
• M17: 12,029,314 km (0.102 R)
• M18: 12,205,092 km (0.082 R)
• M19: 14,715,494 km (0.044 R)
• M20: 15,051,640 km (0.113 R)
• M21: 15,393,023 km (0.119 R)
• M22: 16,883,017 km (0.096 R)
• M23: 18,936,547 km (0.059 R)
• M24: 21,925,363 km (0.056 R)
• M25: 24,269,711 km (0.056 R)
• M26: 25,023,385 km (0.111 R)
• M27: 29,343,323 km (0.091 R)
• M28: 32,295,338 km (0.118 R)
• M29: 33,901,271 km (0.076 R)
• M30: 34,842,391 km (0.084 R)
• M31: 37,770,171 km (0.03 R)
• M32: 38,781,453 km (0.026 R)
• M33: 39,422,629 km (0.073 R)
• M34: 40,989,966 km (0.084 R)
• M35: 43,418,388 km (0.076 R)
• M36: 44,808,153 km (0.077 R)
• M37: 45,940,908 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 5.3

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.9 AU - 9.26 AU

Year: 13269 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,871,835 km

• M1: 66,421 km (0.119 R)
• M2: 246,537 km (0.086 R)
• M3: 683,363 km (0.109 R)
• M4: 1,229,994 km (0.1 R)
• M5: 1,552,826 km (0.101 R)
• M6: 2,097,961 km (0.073 R)
• M7: 2,500,828 km (0.089 R)
• M8: 3,176,860 km (0.086 R)
• M9: 4,075,196 km (0.076 R)
• M10: 5,723,166 km (0.102 R)
• M11: 7,440,101 km (0.101 R)
• M12: 8,371,497 km (0.106 R)
• M13: 9,959,927 km (0.095 R)
• M14: 12,300,236 km (0.043 R)
• M15: 16,738,955 km (0.069 R)
• M16: 18,402,782 km (0.104 R)
• M17: 18,627,628 km (0.068 R)
• M18: 19,313,085 km (0.114 R)
• M19: 27,702,982 km (0.083 R)
• M20: 33,347,310 km (0.097 R)
• M21: 36,084,502 km (0.114 R)
• M22: 37,507,627 km (0.042 R)
• M23: 40,973,211 km (0.113 R)
• M24: 45,324,415 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit