🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.8

Radius: 11.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.63 AU - 2.17 AU

Year: 1776 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,644,334 km

• M1: 146,756 km (0.105 R)
• M2: 698,323 km (0.091 R)
• M3: 1,109,418 km (0.116 R)
• M4: 1,621,342 km (0.103 R)
• M5: 2,062,057 km (0.081 R)
• M6: 2,494,544 km (0.109 R)
• M7: 2,959,345 km (0.114 R)
• M8: 3,691,028 km (0.077 R)
• M9: 4,082,675 km (0.107 R)
• M10: 4,520,848 km (0.086 R)
• M11: 5,846,135 km (0.087 R)
• M12: 6,501,224 km (0.096 R)
• M13: 7,075,680 km (0.112 R)
• M14: 7,765,326 km (0.026 R)
• M15: 8,383,614 km (0.089 R)
• M16: 8,793,812 km (0.063 R)
• M17: 9,591,617 km (0.117 R)
• M18: 10,138,846 km (0.113 R)
• M19: 11,508,863 km (0.117 R)
• M20: 11,906,495 km (0.032 R)
• M21: 12,425,749 km (0.111 R)
• M22: 13,193,784 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 11.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.26 AU - 2.34 AU

Year: 2366 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,644,334 km

• M1: 145,559 km (0.11 R)
• M2: 600,187 km (0.066 R)
• M3: 1,144,274 km (0.116 R)
• M4: 1,545,346 km (0.115 R)
• M5: 2,041,562 km (0.031 R)
• M6: 2,456,098 km (0.066 R)
• M7: 3,184,939 km (0.064 R)
• M8: 3,799,936 km (0.112 R)
• M9: 4,375,139 km (0.108 R)
• M10: 5,028,882 km (0.055 R)
• M11: 5,770,289 km (0.111 R)
• M12: 6,354,319 km (0.099 R)
• M13: 7,248,765 km (0.05 R)
• M14: 8,135,731 km (0.071 R)
• M15: 8,651,993 km (0.09 R)
• M16: 9,254,872 km (0.092 R)
• M17: 9,817,809 km (0.087 R)
• M18: 12,301,583 km (0.094 R)
• M19: 14,115,905 km (0.09 R)
• M20: 15,132,423 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 10.2

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.28 AU - 2.34 AU

Year: 2381 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,644,334 km

• M1: 126,859 km (0.101 R)
• M2: 590,313 km (0.075 R)
• M3: 912,397 km (0.077 R)
• M4: 1,329,327 km (0.093 R)
• M5: 1,658,292 km (0.075 R)
• M6: 2,131,470 km (0.104 R)
• M7: 2,693,210 km (0.091 R)
• M8: 3,042,821 km (0.11 R)
• M9: 3,386,896 km (0.106 R)
• M10: 3,992,019 km (0.086 R)
• M11: 4,320,686 km (0.093 R)
• M12: 5,592,268 km (0.059 R)
• M13: 6,522,018 km (0.103 R)
• M14: 7,490,066 km (0.066 R)
• M15: 8,788,576 km (0.085 R)
• M16: 9,312,318 km (0.055 R)
• M17: 14,044,996 km (0.08 R)
• M18: 15,653,173 km (0.1 R)
• M19: 16,267,422 km (0.117 R)
• M20: 18,657,697 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213

Radius: 8.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.89 AU - 2.75 AU

Year: 2397 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,644,334 km

• M1: 100,829 km (0.09 R)
• M2: 551,418 km (0.108 R)
• M3: 878,439 km (0.101 R)
• M4: 1,302,698 km (0.106 R)
• M5: 1,818,362 km (0.109 R)
• M6: 2,101,700 km (0.094 R)
• M7: 2,758,734 km (0.119 R)
• M8: 3,451,372 km (0.092 R)
• M9: 4,273,263 km (0.116 R)
• M10: 4,817,650 km (0.075 R)
• M11: 5,513,878 km (0.054 R)
• M12: 5,819,357 km (0.102 R)
• M13: 6,440,637 km (0.049 R)
• M14: 7,599,871 km (0.118 R)
• M15: 8,628,656 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 12

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.49 AU - 2.95 AU

Year: 3043 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,644,334 km

• M1: 153,787 km (0.104 R)
• M2: 581,487 km (0.111 R)
• M3: 1,169,407 km (0.08 R)
• M4: 1,931,757 km (0.051 R)
• M5: 2,356,316 km (0.073 R)
• M6: 2,843,257 km (0.073 R)
• M7: 6,527,553 km (0.092 R)
• M8: 7,344,956 km (0.116 R)
• M9: 10,525,706 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 11.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.32 AU - 3.28 AU

Year: 3178 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,644,334 km

• M1: 143,016 km (0.108 R)
• M2: 502,798 km (0.106 R)
• M3: 915,389 km (0.075 R)
• M4: 1,273,676 km (0.11 R)
• M5: 2,013,737 km (0.1 R)
• M6: 2,509,654 km (0.086 R)
• M7: 5,011,828 km (0.119 R)
• M8: 7,275,393 km (0.113 R)
• M9: 10,261,217 km (0.03 R)
• M10: 11,217,596 km (0.101 R)
• M11: 14,211,798 km (0.086 R)
• M12: 14,773,837 km (0.091 R)
• M13: 16,193,521 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 8.2

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.6 AU - 4.74 AU

Year: 6845 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,644,334 km

• M1: 102,026 km (0.026 R)
• M2: 469,887 km (0.113 R)
• M3: 1,146,368 km (0.082 R)
• M4: 1,657,096 km (0.048 R)
• M5: 1,927,569 km (0.078 R)
• M6: 2,346,143 km (0.1 R)
• M7: 3,024,869 km (0.041 R)
• M8: 4,655,336 km (0.106 R)
• M9: 8,010,068 km (0.115 R)
• M10: 8,415,479 km (0.11 R)
• M11: 8,877,287 km (0.118 R)
• M12: 12,274,804 km (0.114 R)
• M13: 13,482,059 km (0.101 R)
• M14: 14,467,760 km (0.085 R)
• M15: 15,253,448 km (0.113 R)
• M16: 16,003,531 km (0.04 R)
• M17: 16,647,251 km (0.097 R)
• M18: 17,917,786 km (0.07 R)
• M19: 21,645,914 km (0.119 R)
• M20: 22,115,951 km (0.09 R)
• M21: 23,320,812 km (0.072 R)
• M22: 26,479,122 km (0.065 R)
• M23: 28,113,928 km (0.066 R)
• M24: 31,284,056 km (0.113 R)
• M25: 31,985,820 km (0.117 R)
• M26: 36,750,512 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 12,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit