🌌 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: 938.4

Radius: 14.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,820,565 km

• M1: 175,777 km (0.079 R)
• M2: 637,736 km (0.057 R)
• M3: 1,076,955 km (0.074 R)
• M4: 1,588,879 km (0.082 R)
• M5: 2,144,485 km (0.108 R)
• M6: 2,603,153 km (0.09 R)
• M7: 3,104,455 km (0.104 R)
• M8: 3,971,823 km (0.091 R)
• M9: 4,688,397 km (0.104 R)
• M10: 5,850,174 km (0.101 R)
• M11: 6,479,533 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 9.1

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.94 AU - 1.02 AU

Year: 670 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 12,820,565 km

• M1: 113,545 km (0.053 R)
• M2: 486,343 km (0.089 R)
• M3: 867,668 km (0.11 R)
• M4: 1,281,306 km (0.091 R)
• M5: 1,919,191 km (0.078 R)
• M6: 2,491,403 km (0.106 R)
• M7: 2,812,290 km (0.082 R)
• M8: 3,211,118 km (0.083 R)
• M9: 3,688,934 km (0.086 R)
• M10: 4,167,946 km (0.059 R)
• M11: 4,737,465 km (0.088 R)
• M12: 5,127,766 km (0.094 R)
• M13: 5,838,805 km (0.119 R)
• M14: 6,572,732 km (0.104 R)
• M15: 6,865,944 km (0.082 R)
• M16: 7,456,257 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 11.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.6 AU - 2.1 AU

Year: 1737 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,820,565 km

• M1: 139,276 km (0.111 R)
• M2: 544,686 km (0.067 R)
• M3: 1,044,193 km (0.104 R)
• M4: 1,430,904 km (0.086 R)
• M5: 1,987,408 km (0.059 R)
• M6: 2,518,181 km (0.088 R)
• M7: 3,012,153 km (0.055 R)
• M8: 3,443,893 km (0.106 R)
• M9: 4,583,230 km (0.072 R)
• M10: 5,239,815 km (0.088 R)
• M11: 6,353,122 km (0.043 R)
• M12: 6,815,380 km (0.116 R)
• M13: 7,170,226 km (0.057 R)
• M14: 8,139,919 km (0.104 R)
• M15: 8,685,952 km (0.088 R)
• M16: 10,076,913 km (0.049 R)
• M17: 10,842,704 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 10.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.2 AU - 2.74 AU

Year: 2680 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,820,565 km

• M1: 128,804 km (0.07 R)
• M2: 578,944 km (0.1 R)
• M3: 1,010,534 km (0.084 R)
• M4: 1,419,684 km (0.061 R)
• M5: 1,884,036 km (0.051 R)
• M6: 2,909,080 km (0.073 R)
• M7: 3,231,912 km (0.049 R)
• M8: 3,682,651 km (0.109 R)
• M9: 4,174,977 km (0.032 R)
• M10: 5,336,904 km (0.11 R)
• M11: 5,752,936 km (0.1 R)
• M12: 6,190,360 km (0.078 R)
• M13: 8,502,245 km (0.051 R)
• M14: 9,698,280 km (0.119 R)
• M15: 10,284,106 km (0.111 R)
• M16: 10,675,603 km (0.108 R)
• M17: 11,526,366 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.7

Radius: 14.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.03 AU - 3.01 AU

Year: 2761 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,820,565 km

• M1: 186,100 km (0.119 R)
• M2: 739,313 km (0.105 R)
• M3: 1,573,770 km (0.093 R)
• M4: 2,273,588 km (0.074 R)
• M5: 2,872,728 km (0.114 R)
• M6: 3,634,181 km (0.069 R)
• M7: 4,199,960 km (0.058 R)
• M8: 5,062,542 km (0.074 R)
• M9: 6,261,718 km (0.062 R)
• M10: 7,019,282 km (0.112 R)
• M11: 7,515,348 km (0.099 R)
• M12: 8,134,833 km (0.114 R)
• M13: 9,292,272 km (0.088 R)
• M14: 10,637,007 km (0.088 R)
• M15: 12,328,809 km (0.057 R)
• M16: 13,426,558 km (0.108 R)
• M17: 14,242,914 km (0.056 R)
• M18: 14,939,891 km (0.032 R)
• M19: 15,555,336 km (0.089 R)
• M20: 16,618,678 km (0.104 R)
• M21: 17,786,738 km (0.092 R)
• M22: 19,671,073 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 12.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.28 AU - 4.64 AU

Year: 5439 Days

Day: 14.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,820,565 km

• M1: 151,991 km (0.095 R)
• M2: 676,482 km (0.077 R)
• M3: 1,773,632 km (0.104 R)
• M4: 2,213,899 km (0.111 R)
• M5: 3,069,898 km (0.104 R)
• M6: 3,679,360 km (0.095 R)
• M7: 4,590,859 km (0.036 R)
• M8: 6,809,994 km (0.08 R)
• M9: 7,239,639 km (0.028 R)
• M10: 7,633,830 km (0.11 R)
• M11: 10,243,714 km (0.04 R)
• M12: 12,258,947 km (0.054 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 15,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit