🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.5

Radius: 12

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.56 AU - 0.62 AU

Year: 307 Days

Day: 11.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,430,984 km

• M1: 149,299 km (0.078 R)
• M2: 639,381 km (0.108 R)
• M3: 1,019,809 km (0.075 R)
• M4: 1,522,009 km (0.113 R)
• M5: 2,167,673 km (0.115 R)
• M6: 2,619,758 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 11.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.95 AU - 1.07 AU

Year: 688 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,430,984 km

• M1: 140,772 km (0.082 R)
• M2: 1,239,119 km (0.046 R)
• M3: 1,588,430 km (0.079 R)
• M4: 3,050,600 km (0.109 R)
• M5: 4,663,863 km (0.106 R)
• M6: 5,601,543 km (0.105 R)
• M7: 6,086,689 km (0.076 R)
• M8: 7,056,083 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727

Radius: 13.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.54 AU - 1.6 AU

Year: 1334 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,430,984 km

• M1: 162,912 km (0.101 R)
• M2: 667,057 km (0.081 R)
• M3: 1,229,246 km (0.098 R)
• M4: 1,904,530 km (0.063 R)
• M5: 2,817,825 km (0.102 R)
• M6: 3,239,991 km (0.077 R)
• M7: 3,704,642 km (0.105 R)
• M8: 4,143,412 km (0.065 R)
• M9: 5,961,924 km (0.08 R)
• M10: 6,836,323 km (0.114 R)
• M11: 7,421,700 km (0.091 R)
• M12: 8,179,563 km (0.119 R)
• M13: 8,988,289 km (0.12 R)
• M14: 11,140,553 km (0.07 R)
• M15: 12,171,283 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.3

Radius: 8.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.57 AU - 1.71 AU

Year: 1424 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,430,984 km

• M1: 102,026 km (0.116 R)
• M2: 712,834 km (0.111 R)
• M3: 1,014,423 km (0.097 R)
• M4: 1,304,344 km (0.067 R)
• M5: 1,710,801 km (0.056 R)
• M6: 1,978,581 km (0.114 R)
• M7: 2,833,683 km (0.085 R)
• M8: 3,661,557 km (0.105 R)
• M9: 4,239,155 km (0.061 R)
• M10: 4,519,800 km (0.113 R)
• M11: 5,069,423 km (0.079 R)
• M12: 5,751,440 km (0.103 R)
• M13: 6,435,252 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 12.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.69 AU - 1.81 AU

Year: 1570 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,430,984 km

• M1: 160,519 km (0.103 R)
• M2: 672,442 km (0.087 R)
• M3: 1,235,529 km (0.072 R)
• M4: 1,804,749 km (0.099 R)
• M5: 2,382,795 km (0.051 R)
• M6: 3,159,657 km (0.046 R)
• M7: 3,945,793 km (0.09 R)
• M8: 4,651,895 km (0.098 R)
• M9: 6,485,965 km (0.098 R)
• M10: 7,284,968 km (0.086 R)
• M11: 8,173,579 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.1

Radius: 9.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.67 AU - 3.65 AU

Year: 3810 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,430,984 km

• M1: 115,490 km (0.119 R)
• M2: 663,616 km (0.104 R)
• M3: 1,018,014 km (0.119 R)
• M4: 1,508,246 km (0.076 R)
• M5: 1,880,445 km (0.118 R)
• M6: 2,652,370 km (0.116 R)
• M7: 4,395,335 km (0.098 R)
• M8: 4,984,302 km (0.106 R)
• M9: 5,577,308 km (0.068 R)
• M10: 6,876,715 km (0.095 R)
• M11: 8,336,042 km (0.113 R)
• M12: 8,779,301 km (0.085 R)
• M13: 9,138,635 km (0.063 R)
• M14: 9,473,584 km (0.087 R)
• M15: 12,580,134 km (0.058 R)
• M16: 13,291,172 km (0.103 R)
• M17: 16,454,719 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.6 AU - 4.96 AU

Year: 7088 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,430,984 km

• M1: 112,348 km (0.093 R)
• M2: 398,080 km (0.112 R)
• M3: 721,211 km (0.083 R)
• M4: 1,082,789 km (0.084 R)
• M5: 1,428,959 km (0.08 R)
• M6: 2,089,134 km (0.05 R)
• M7: 2,542,565 km (0.086 R)
• M8: 3,205,733 km (0.102 R)
• M9: 4,153,734 km (0.091 R)
• M10: 4,463,851 km (0.115 R)
• M11: 5,673,499 km (0.059 R)
• M12: 7,420,354 km (0.044 R)
• M13: 10,411,713 km (0.075 R)
• M14: 12,199,407 km (0.099 R)
• M15: 12,676,475 km (0.101 R)
• M16: 13,221,011 km (0.11 R)
• M17: 13,555,362 km (0.048 R)
• M18: 14,651,017 km (0.093 R)
• M19: 15,804,716 km (0.039 R)
• M20: 18,223,414 km (0.095 R)
• M21: 18,568,237 km (0.028 R)
• M22: 24,862,418 km (0.036 R)
• M23: 25,802,192 km (0.103 R)
• M24: 31,448,016 km (0.088 R)
• M25: 35,352,221 km (0.05 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 12,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit