🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 10.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,225,998 km

• M1: 130,599 km (0.051 R)
• M2: 464,352 km (0.086 R)
• M3: 1,259,614 km (0.115 R)
• M4: 1,626,278 km (0.119 R)
• M5: 2,672,865 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 14

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.8 AU - 1.2 AU

Year: 690 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,225,998 km

• M1: 174,132 km (0.083 R)
• M2: 720,314 km (0.106 R)
• M3: 1,166,564 km (0.082 R)
• M4: 1,707,959 km (0.081 R)
• M5: 2,304,854 km (0.045 R)
• M6: 3,063,914 km (0.093 R)
• M7: 3,853,192 km (0.101 R)
• M8: 4,575,750 km (0.098 R)
• M9: 5,296,513 km (0.109 R)
• M10: 6,436,149 km (0.111 R)
• M11: 8,113,590 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 12.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.57 AU - 2.53 AU

Year: 2026 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,225,998 km

• M1: 159,172 km (0.096 R)
• M2: 682,465 km (0.105 R)
• M3: 1,550,283 km (0.073 R)
• M4: 2,387,133 km (0.081 R)
• M5: 3,019,035 km (0.065 R)
• M6: 4,063,677 km (0.041 R)
• M7: 4,481,055 km (0.077 R)
• M8: 4,885,418 km (0.108 R)
• M9: 5,292,025 km (0.076 R)
• M10: 6,396,955 km (0.108 R)
• M11: 7,343,011 km (0.089 R)
• M12: 8,171,036 km (0.067 R)
• M13: 8,592,752 km (0.12 R)
• M14: 9,060,545 km (0.103 R)
• M15: 9,644,425 km (0.114 R)
• M16: 10,995,892 km (0.119 R)
• M17: 14,373,663 km (0.047 R)
• M18: 14,900,546 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 14.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.67 AU - 2.63 AU

Year: 2176 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,225,998 km

• M1: 185,352 km (0.105 R)
• M2: 695,181 km (0.116 R)
• M3: 1,266,944 km (0.119 R)
• M4: 1,915,601 km (0.087 R)
• M5: 2,757,538 km (0.109 R)
• M6: 3,350,992 km (0.114 R)
• M7: 4,669,997 km (0.083 R)
• M8: 5,218,871 km (0.107 R)
• M9: 8,421,762 km (0.088 R)
• M10: 9,210,143 km (0.115 R)
• M11: 9,802,999 km (0.043 R)
• M12: 10,902,094 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 14.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.13 AU - 2.81 AU

Year: 2680 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,225,998 km

• M1: 181,612 km (0.116 R)
• M2: 782,247 km (0.116 R)
• M3: 1,288,038 km (0.105 R)
• M4: 2,411,667 km (0.115 R)
• M5: 2,872,279 km (0.118 R)
• M6: 3,837,933 km (0.099 R)
• M7: 4,669,099 km (0.117 R)
• M8: 6,273,686 km (0.096 R)
• M9: 7,645,498 km (0.061 R)
• M10: 8,352,947 km (0.077 R)
• M11: 10,622,646 km (0.088 R)
• M12: 11,259,185 km (0.053 R)
• M13: 12,391,341 km (0.109 R)
• M14: 17,800,052 km (0.068 R)
• M15: 19,394,018 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.2

Radius: 3.1

Gravity: 96.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.62 AU - 9.22 AU

Year: 13951 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,225,998 km

• M1: 38,746 km (0.109 R)
• M2: 514,317 km (0.068 R)
• M3: 1,035,965 km (0.054 R)
• M4: 1,370,466 km (0.103 R)
• M5: 1,825,543 km (0.109 R)
• M6: 2,010,296 km (0.102 R)
• M7: 2,352,875 km (0.066 R)
• M8: 3,445,837 km (0.117 R)
• M9: 3,727,979 km (0.087 R)
• M10: 4,056,047 km (0.052 R)
• M11: 4,370,502 km (0.039 R)
• M12: 5,831,774 km (0.111 R)
• M13: 8,766,884 km (0.118 R)
• M14: 9,452,790 km (0.117 R)
• M15: 12,231,571 km (0.079 R)
• M16: 13,770,783 km (0.056 R)
• M17: 13,980,669 km (0.046 R)
• M18: 17,470,638 km (0.087 R)
• M19: 20,394,229 km (0.113 R)
• M20: 23,627,787 km (0.113 R)
• M21: 31,568,891 km (0.039 R)
• M22: 31,690,215 km (0.12 R)
• M23: 37,883,716 km (0.032 R)
• M24: 63,484,848 km (0.118 R)
• M25: 64,260,214 km (0.092 R)
• M26: 64,650,216 km (0.056 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: 272 - 15,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit