🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 14.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.15 AU - 1.55 AU

Year: 997 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,937,996 km

• M1: 184,454 km (0.049 R)
• M2: 1,188,555 km (0.026 R)
• M3: 1,950,457 km (0.104 R)
• M4: 2,804,661 km (0.084 R)
• M5: 3,559,233 km (0.061 R)
• M6: 4,877,489 km (0.115 R)
• M7: 8,272,912 km (0.115 R)
• M8: 9,592,215 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 11

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.05 AU - 1.75 AU

Year: 1053 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,937,996 km

• M1: 139,126 km (0.08 R)
• M2: 518,656 km (0.058 R)
• M3: 936,782 km (0.102 R)
• M4: 1,286,093 km (0.086 R)
• M5: 1,665,623 km (0.103 R)
• M6: 2,201,033 km (0.078 R)
• M7: 2,555,132 km (0.112 R)
• M8: 3,100,117 km (0.101 R)
• M9: 3,961,501 km (0.108 R)
• M10: 4,711,435 km (0.053 R)
• M11: 5,909,265 km (0.105 R)
• M12: 6,536,230 km (0.101 R)
• M13: 7,559,180 km (0.117 R)
• M14: 7,972,370 km (0.115 R)
• M15: 8,581,383 km (0.109 R)
• M16: 9,275,816 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 10.4

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.39 AU - 2.05 AU

Year: 1434 Days

Day: 12.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,937,996 km

• M1: 129,851 km (0.076 R)
• M2: 532,568 km (0.094 R)
• M3: 957,277 km (0.089 R)
• M4: 1,285,345 km (0.061 R)
• M5: 1,893,460 km (0.113 R)
• M6: 2,304,854 km (0.096 R)
• M7: 2,829,045 km (0.113 R)
• M8: 3,895,379 km (0.078 R)
• M9: 4,346,865 km (0.113 R)
• M10: 4,891,402 km (0.091 R)
• M11: 7,589,848 km (0.092 R)
• M12: 8,268,574 km (0.093 R)
• M13: 9,255,919 km (0.108 R)
• M14: 9,935,393 km (0.077 R)
• M15: 10,814,580 km (0.117 R)
• M16: 12,247,578 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 12.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.65 AU - 2.15 AU

Year: 1665 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,937,996 km

• M1: 157,078 km (0.052 R)
• M2: 563,984 km (0.11 R)
• M3: 1,176,737 km (0.094 R)
• M4: 2,794,339 km (0.072 R)
• M5: 3,996,358 km (0.092 R)
• M6: 5,220,517 km (0.086 R)
• M7: 6,275,780 km (0.103 R)
• M8: 7,369,790 km (0.044 R)
• M9: 8,264,086 km (0.09 R)
• M10: 8,668,897 km (0.092 R)
• M11: 10,206,913 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514

Radius: 3.2

Gravity: 50.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7 AU - 8.2 AU

Year: 13322 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,937,996 km

• M1: 39,793 km (0.099 R)
• M2: 263,891 km (0.071 R)
• M3: 442,660 km (0.108 R)
• M4: 578,196 km (0.107 R)
• M5: 1,031,627 km (0.079 R)
• M6: 1,171,950 km (0.098 R)
• M7: 1,655,600 km (0.096 R)
• M8: 3,412,178 km (0.104 R)
• M9: 5,202,416 km (0.092 R)
• M10: 5,406,617 km (0.093 R)
• M11: 5,758,770 km (0.087 R)
• M12: 7,796,293 km (0.099 R)
• M13: 11,593,386 km (0.097 R)
• M14: 11,941,800 km (0.09 R)
• M15: 14,510,993 km (0.118 R)
• M16: 17,350,361 km (0.068 R)
• M17: 20,623,263 km (0.111 R)
• M18: 22,359,347 km (0.09 R)
• M19: 26,817,513 km (0.027 R)
• M20: 35,341,001 km (0.044 R)
• M21: 43,667,469 km (0.115 R)
• M22: 44,509,106 km (0.093 R)
• M23: 47,392,755 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.9

Radius: 7.4

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.73 AU - 10.73 AU

Year: 17829 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,937,996 km

• M1: 93,349 km (0.099 R)
• M2: 411,843 km (0.047 R)
• M3: 1,112,859 km (0.101 R)
• M4: 1,561,802 km (0.091 R)
• M5: 2,313,381 km (0.117 R)
• M6: 3,071,992 km (0.043 R)
• M7: 3,312,695 km (0.034 R)
• M8: 4,339,086 km (0.07 R)
• M9: 7,094,081 km (0.059 R)
• M10: 8,361,324 km (0.071 R)
• M11: 10,061,654 km (0.113 R)
• M12: 10,595,568 km (0.068 R)
• M13: 11,085,950 km (0.04 R)
• M14: 13,060,493 km (0.088 R)
• M15: 15,804,716 km (0.101 R)
• M16: 19,269,403 km (0.069 R)
• M17: 25,967,797 km (0.082 R)
• M18: 26,299,605 km (0.118 R)
• M19: 31,621,100 km (0.046 R)
• M20: 32,253,451 km (0.086 R)
• M21: 48,719,838 km (0.108 R)
• M22: 58,537,647 km (0.089 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: 332 - 15,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit