🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.2

Radius: 13.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 8.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,881,035 km

• M1: 167,101 km (0.106 R)
• M2: 621,579 km (0.112 R)
• M3: 1,047,783 km (0.114 R)
• M4: 1,923,529 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 9.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.09 AU

Year: 588 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,881,035 km

• M1: 119,828 km (0.074 R)
• M2: 566,228 km (0.08 R)
• M3: 867,368 km (0.12 R)
• M4: 1,345,633 km (0.099 R)
• M5: 2,147,627 km (0.091 R)
• M6: 2,736,444 km (0.11 R)
• M7: 3,141,705 km (0.092 R)
• M8: 3,442,546 km (0.093 R)
• M9: 4,073,550 km (0.097 R)
• M10: 4,715,175 km (0.074 R)
• M11: 6,335,919 km (0.075 R)
• M12: 6,655,460 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.7

Radius: 13

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.79 AU - 1.15 AU

Year: 637 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,881,035 km

• M1: 161,715 km (0.101 R)
• M2: 613,650 km (0.071 R)
• M3: 1,113,158 km (0.11 R)
• M4: 1,553,125 km (0.11 R)
• M5: 2,148,824 km (0.047 R)
• M6: 2,678,849 km (0.114 R)
• M7: 3,679,958 km (0.108 R)
• M8: 5,349,620 km (0.09 R)
• M9: 6,154,606 km (0.046 R)
• M10: 6,762,871 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 11.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.29 AU - 1.43 AU

Year: 1058 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,881,035 km

• M1: 143,016 km (0.115 R)
• M2: 541,694 km (0.111 R)
• M3: 979,118 km (0.099 R)
• M4: 1,379,891 km (0.048 R)
• M5: 1,804,450 km (0.111 R)
• M6: 3,116,722 km (0.107 R)
• M7: 4,160,766 km (0.11 R)
• M8: 4,642,471 km (0.084 R)
• M9: 5,081,840 km (0.029 R)
• M10: 6,269,497 km (0.092 R)
• M11: 6,855,921 km (0.026 R)
• M12: 8,497,009 km (0.113 R)
• M13: 9,424,516 km (0.036 R)
• M14: 9,912,804 km (0.094 R)
• M15: 10,353,968 km (0.103 R)
• M16: 10,940,541 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 10.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.62 AU - 2.48 AU

Year: 1957 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,881,035 km

• M1: 128,056 km (0.111 R)
• M2: 551,867 km (0.108 R)
• M3: 1,651,560 km (0.108 R)
• M4: 2,019,870 km (0.103 R)
• M5: 2,481,230 km (0.041 R)
• M6: 3,486,528 km (0.108 R)
• M7: 3,975,264 km (0.078 R)
• M8: 4,864,324 km (0.092 R)
• M9: 6,209,359 km (0.088 R)
• M10: 6,750,604 km (0.042 R)
• M11: 8,213,521 km (0.08 R)
• M12: 8,988,738 km (0.098 R)
• M13: 10,753,843 km (0.12 R)
• M14: 11,390,531 km (0.094 R)
• M15: 12,895,336 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 11.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.66 AU - 5.5 AU

Year: 7635 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,881,035 km

• M1: 144,811 km (0.036 R)
• M2: 1,144,125 km (0.103 R)
• M3: 2,593,728 km (0.099 R)
• M4: 3,690,729 km (0.074 R)
• M5: 4,972,484 km (0.101 R)
• M6: 5,604,834 km (0.1 R)
• M7: 5,969,404 km (0.117 R)
• M8: 7,290,203 km (0.109 R)
• M9: 7,828,457 km (0.072 R)
• M10: 9,485,702 km (0.113 R)
• M11: 9,964,714 km (0.087 R)
• M12: 11,365,549 km (0.1 R)
• M13: 13,884,328 km (0.079 R)
• M14: 20,654,080 km (0.118 R)
• M15: 24,595,685 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 10.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.35 AU - 5.69 AU

Year: 8648 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,881,035 km

• M1: 128,505 km (0.117 R)
• M2: 449,841 km (0.028 R)
• M3: 1,048,681 km (0.091 R)
• M4: 1,810,583 km (0.101 R)
• M5: 2,286,454 km (0.066 R)
• M6: 3,235,204 km (0.034 R)
• M7: 4,598,788 km (0.119 R)
• M8: 5,622,187 km (0.094 R)
• M9: 6,567,047 km (0.112 R)
• M10: 8,029,666 km (0.1 R)
• M11: 12,418,418 km (0.055 R)
• M12: 12,819,790 km (0.118 R)
• M13: 22,784,803 km (0.082 R)
• M14: 24,088,249 km (0.091 R)
• M15: 26,843,244 km (0.108 R)
• M16: 27,225,765 km (0.115 R)
• M17: 28,593,539 km (0.093 R)
• M18: 35,893,765 km (0.065 R)
• M19: 37,536,948 km (0.116 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: 523 - 13,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit