🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 11.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.9 AU - 1.02 AU

Year: 638 Days

Day: 7.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,457,571 km

• M1: 148,251 km (0.069 R)
• M2: 652,696 km (0.064 R)
• M3: 1,307,785 km (0.08 R)
• M4: 1,830,779 km (0.105 R)
• M5: 2,381,000 km (0.108 R)
• M6: 3,444,491 km (0.068 R)
• M7: 3,955,517 km (0.117 R)
• M8: 4,424,955 km (0.062 R)
• M9: 5,511,485 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.6

Radius: 9.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.04 AU - 2.26 AU

Year: 2138 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,457,571 km

• M1: 115,639 km (0.116 R)
• M2: 590,612 km (0.086 R)
• M3: 1,046,138 km (0.079 R)
• M4: 1,636,002 km (0.099 R)
• M5: 2,509,803 km (0.108 R)
• M6: 3,177,758 km (0.111 R)
• M7: 3,540,084 km (0.082 R)
• M8: 3,885,057 km (0.069 R)
• M9: 4,526,832 km (0.115 R)
• M10: 6,663,538 km (0.106 R)
• M11: 7,282,574 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 9.8

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.05 AU - 3.63 AU

Year: 4140 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,457,571 km

• M1: 121,922 km (0.113 R)
• M2: 490,681 km (0.097 R)
• M3: 1,001,408 km (0.099 R)
• M4: 2,662,842 km (0.104 R)
• M5: 3,683,698 km (0.101 R)
• M6: 4,678,374 km (0.075 R)
• M7: 5,595,559 km (0.061 R)
• M8: 6,477,887 km (0.088 R)
• M9: 6,874,321 km (0.099 R)
• M10: 7,450,124 km (0.089 R)
• M11: 8,373,591 km (0.11 R)
• M12: 9,879,593 km (0.074 R)
• M13: 11,382,752 km (0.047 R)
• M14: 13,322,438 km (0.081 R)
• M15: 14,015,226 km (0.073 R)
• M16: 17,727,048 km (0.064 R)
• M17: 18,932,508 km (0.077 R)
• M18: 19,304,558 km (0.057 R)
• M19: 19,618,414 km (0.091 R)
• M20: 20,127,496 km (0.082 R)
• M21: 22,459,278 km (0.106 R)
• M22: 23,511,699 km (0.087 R)
• M23: 24,449,977 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.1

Radius: 6.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.25 AU - 7.05 AU

Year: 10344 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,457,571 km

• M1: 77,342 km (0.077 R)
• M2: 352,153 km (0.08 R)
• M3: 1,068,428 km (0.083 R)
• M4: 1,344,137 km (0.108 R)
• M5: 2,207,616 km (0.048 R)
• M6: 2,400,747 km (0.059 R)
• M7: 3,188,379 km (0.081 R)
• M8: 3,674,572 km (0.109 R)
• M9: 4,356,440 km (0.047 R)
• M10: 4,981,908 km (0.069 R)
• M11: 5,373,556 km (0.104 R)
• M12: 6,540,120 km (0.11 R)
• M13: 8,592,902 km (0.07 R)
• M14: 9,915,945 km (0.117 R)
• M15: 10,808,596 km (0.098 R)
• M16: 15,730,964 km (0.116 R)
• M17: 20,171,328 km (0.112 R)
• M18: 20,592,895 km (0.106 R)
• M19: 27,384,040 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.8

Radius: 3.5

Gravity: 58.51 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.9 AU - 9.04 AU

Year: 13848 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,457,571 km

• M1: 43,832 km (0.057 R)
• M2: 335,099 km (0.111 R)
• M3: 644,019 km (0.115 R)
• M4: 857,944 km (0.094 R)
• M5: 1,057,059 km (0.059 R)
• M6: 1,355,506 km (0.087 R)
• M7: 1,757,625 km (0.078 R)
• M8: 2,909,379 km (0.059 R)
• M9: 3,682,651 km (0.114 R)
• M10: 4,455,773 km (0.054 R)
• M11: 5,439,379 km (0.117 R)
• M12: 9,398,935 km (0.076 R)
• M13: 9,823,195 km (0.116 R)
• M14: 10,094,864 km (0.08 R)
• M15: 10,539,918 km (0.118 R)
• M16: 11,349,990 km (0.093 R)
• M17: 11,588,898 km (0.099 R)
• M18: 12,200,604 km (0.051 R)
• M19: 21,393,393 km (0.099 R)
• M20: 23,739,387 km (0.078 R)
• M21: 30,744,158 km (0.112 R)
• M22: 32,508,066 km (0.111 R)
• M23: 39,008,991 km (0.075 R)
• M24: 44,232,350 km (0.034 R)
• M25: 52,168,817 km (0.105 R)
• M26: 55,181,867 km (0.072 R)
• M27: 57,428,528 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit