🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 9.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.67 AU - 0.81 AU

Year: 424 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,249,201 km

• M1: 113,246 km (0.114 R)
• M2: 449,242 km (0.096 R)
• M3: 745,147 km (0.106 R)
• M4: 1,051,523 km (0.06 R)
• M5: 1,437,187 km (0.039 R)
• M6: 2,853,131 km (0.043 R)
• M7: 3,711,673 km (0.103 R)
• M8: 4,161,065 km (0.113 R)
• M9: 4,631,849 km (0.096 R)
• M10: 5,293,670 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.1

Radius: 10.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.72 AU - 1.14 AU

Year: 598 Days

Day: 13.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,249,201 km

• M1: 129,701 km (0.1 R)
• M2: 462,706 km (0.116 R)
• M3: 1,005,298 km (0.111 R)
• M4: 1,574,667 km (0.096 R)
• M5: 2,472,554 km (0.045 R)
• M6: 3,057,631 km (0.089 R)
• M7: 3,771,662 km (0.093 R)
• M8: 5,086,627 km (0.028 R)
• M9: 5,429,206 km (0.085 R)
• M10: 5,945,767 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 8.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.99 AU - 2.49 AU

Year: 2236 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,249,201 km

• M1: 132,095 km (0.087 R)
• M2: 450,738 km (0.113 R)
• M3: 933,491 km (0.093 R)
• M4: 1,286,242 km (0.089 R)
• M5: 2,034,681 km (0.087 R)
• M6: 2,479,884 km (0.092 R)
• M7: 3,153,374 km (0.084 R)
• M8: 3,943,549 km (0.093 R)
• M9: 4,579,041 km (0.104 R)
• M10: 5,238,020 km (0.059 R)
• M11: 6,029,542 km (0.101 R)
• M12: 9,322,640 km (0.113 R)
• M13: 9,940,928 km (0.042 R)
• M14: 10,760,724 km (0.099 R)
• M15: 12,226,036 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 13.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.39 AU - 2.39 AU

Year: 2464 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,249,201 km

• M1: 180,864 km (0.088 R)
• M2: 597,045 km (0.099 R)
• M3: 1,412,653 km (0.069 R)
• M4: 1,869,225 km (0.119 R)
• M5: 6,505,563 km (0.062 R)
• M6: 7,282,424 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.18 AU - 3.98 AU

Year: 4517 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,249,201 km

• M1: 124,316 km (0.029 R)
• M2: 470,635 km (0.093 R)
• M3: 1,018,014 km (0.118 R)
• M4: 1,444,816 km (0.102 R)
• M5: 2,999,737 km (0.081 R)
• M6: 3,384,652 km (0.082 R)
• M7: 4,034,804 km (0.091 R)
• M8: 5,188,503 km (0.101 R)
• M9: 5,745,306 km (0.093 R)
• M10: 7,926,294 km (0.079 R)
• M11: 8,449,437 km (0.065 R)
• M12: 8,921,269 km (0.087 R)
• M13: 9,220,166 km (0.042 R)
• M14: 9,564,689 km (0.087 R)
• M15: 17,216,770 km (0.105 R)
• M16: 18,273,230 km (0.088 R)
• M17: 19,001,174 km (0.111 R)
• M18: 20,514,954 km (0.034 R)
• M19: 21,567,824 km (0.069 R)
• M20: 22,312,373 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.6

Radius: 4.1

Gravity: 26.45 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.11 AU - 12.77 AU

Year: 22495 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,249,201 km

• M1: 51,462 km (0.107 R)
• M2: 222,302 km (0.08 R)
• M3: 432,637 km (0.099 R)
• M4: 701,016 km (0.105 R)
• M5: 1,613,862 km (0.078 R)
• M6: 3,657,369 km (0.077 R)
• M7: 5,363,682 km (0.086 R)
• M8: 5,555,167 km (0.078 R)
• M9: 6,409,970 km (0.102 R)
• M10: 6,936,105 km (0.069 R)
• M11: 7,302,321 km (0.091 R)
• M12: 8,582,131 km (0.114 R)
• M13: 8,950,740 km (0.117 R)
• M14: 9,166,011 km (0.064 R)
• M15: 9,607,026 km (0.054 R)
• M16: 10,294,877 km (0.055 R)
• M17: 11,199,944 km (0.038 R)
• M18: 11,576,482 km (0.075 R)
• M19: 13,167,156 km (0.073 R)
• M20: 14,086,883 km (0.094 R)
• M21: 14,525,355 km (0.061 R)
• M22: 18,195,140 km (0.055 R)
• M23: 20,427,290 km (0.06 R)
• M24: 21,273,565 km (0.067 R)
• M25: 23,237,486 km (0.093 R)
• M26: 24,055,786 km (0.061 R)
• M27: 25,212,028 km (0.102 R)
• M28: 29,136,728 km (0.1 R)
• M29: 30,087,722 km (0.105 R)
• M30: 33,449,934 km (0.108 R)
• M31: 35,287,894 km (0.117 R)
• M32: 36,504,424 km (0.112 R)
• M33: 37,888,653 km (0.096 R)
• M34: 43,008,490 km (0.104 R)
• M35: 50,582,630 km (0.113 R)
• M36: 50,923,265 km (0.058 R)
• M37: 55,131,453 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit