🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 12.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.64 AU

Year: 259 Days

Day: 11.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,641,729 km

• M1: 150,645 km (0.049 R)
• M2: 655,987 km (0.08 R)
• M3: 1,251,386 km (0.098 R)
• M4: 1,758,224 km (0.12 R)
• M5: 2,191,459 km (0.107 R)
• M6: 2,571,587 km (0.088 R)
• M7: 2,967,274 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 10.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.7 AU - 0.76 AU

Year: 431 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 25,641,729 km

• M1: 134,339 km (0.118 R)
• M2: 823,835 km (0.071 R)
• M3: 1,306,737 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 10.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.76 AU - 0.78 AU

Year: 466 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,641,729 km

• M1: 134,488 km (0.035 R)
• M2: 516,412 km (0.082 R)
• M3: 870,809 km (0.061 R)
• M4: 1,236,875 km (0.101 R)
• M5: 1,603,091 km (0.072 R)
• M6: 1,978,581 km (0.084 R)
• M7: 2,468,215 km (0.071 R)
• M8: 3,464,687 km (0.119 R)
• M9: 3,957,462 km (0.05 R)
• M10: 4,426,451 km (0.1 R)
• M11: 4,798,651 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 14.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.78 AU - 0.84 AU

Year: 503 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,641,729 km

• M1: 177,872 km (0.028 R)
• M2: 727,046 km (0.037 R)
• M3: 1,355,656 km (0.111 R)
• M4: 2,114,716 km (0.109 R)
• M5: 3,320,026 km (0.096 R)
• M6: 4,179,316 km (0.077 R)
• M7: 4,884,819 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.1

Radius: 11.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.97 AU - 1.29 AU

Year: 829 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,641,729 km

• M1: 148,999 km (0.097 R)
• M2: 817,702 km (0.116 R)
• M3: 2,463,129 km (0.072 R)
• M4: 3,050,450 km (0.071 R)
• M5: 3,473,962 km (0.085 R)
• M6: 4,490,030 km (0.106 R)
• M7: 4,881,379 km (0.088 R)
• M8: 5,388,665 km (0.063 R)
• M9: 5,791,981 km (0.069 R)
• M10: 6,573,330 km (0.102 R)
• M11: 7,470,469 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.92 AU - 4.48 AU

Year: 4913 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,641,729 km

• M1: 171,589 km (0.027 R)
• M2: 1,559,707 km (0.064 R)
• M3: 3,769,567 km (0.117 R)
• M4: 4,323,977 km (0.106 R)
• M5: 4,831,263 km (0.069 R)
• M6: 5,405,569 km (0.078 R)
• M7: 6,352,524 km (0.07 R)
• M8: 7,141,204 km (0.099 R)
• M9: 9,904,277 km (0.104 R)
• M10: 12,820,538 km (0.114 R)
• M11: 13,977,527 km (0.077 R)
• M12: 15,038,924 km (0.106 R)
• M13: 16,039,734 km (0.031 R)
• M14: 20,025,919 km (0.113 R)
• M15: 21,031,965 km (0.111 R)
• M16: 22,283,201 km (0.054 R)
• M17: 22,783,008 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 10.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.5 AU - 5.68 AU

Year: 7927 Days

Day: 7.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,641,729 km

• M1: 136,583 km (0.116 R)
• M2: 519,853 km (0.055 R)
• M3: 873,502 km (0.063 R)
• M4: 1,707,510 km (0.092 R)
• M5: 2,353,025 km (0.107 R)
• M6: 3,154,720 km (0.092 R)
• M7: 4,379,178 km (0.088 R)
• M8: 4,760,354 km (0.12 R)
• M9: 5,700,128 km (0.119 R)
• M10: 7,237,695 km (0.025 R)
• M11: 7,945,143 km (0.026 R)
• M12: 8,369,702 km (0.038 R)
• M13: 9,695,438 km (0.06 R)
• M14: 13,194,682 km (0.088 R)
• M15: 15,307,153 km (0.098 R)
• M16: 16,077,582 km (0.031 R)
• M17: 17,164,112 km (0.089 R)
• M18: 19,356,319 km (0.111 R)
• M19: 20,984,243 km (0.061 R)
• M20: 21,728,792 km (0.071 R)
• M21: 23,127,532 km (0.108 R)
• M22: 25,641,673 km (0.067 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: 253 - 11,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit