🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 12.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.64 AU - 0.64 AU

Year: 341 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,707,864 km

• M1: 159,322 km (0.086 R)
• M2: 563,984 km (0.092 R)
• M3: 1,082,939 km (0.065 R)
• M4: 1,514,379 km (0.09 R)
• M5: 2,366,339 km (0.115 R)
• M6: 2,836,076 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.5

Radius: 8.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.26 AU - 1.86 AU

Year: 1299 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,707,864 km

• M1: 114,742 km (0.118 R)
• M2: 699,819 km (0.064 R)
• M3: 1,034,170 km (0.101 R)
• M4: 1,755,531 km (0.101 R)
• M5: 2,203,277 km (0.116 R)
• M6: 3,316,136 km (0.053 R)
• M7: 3,610,395 km (0.076 R)
• M8: 3,908,843 km (0.117 R)
• M9: 4,251,871 km (0.105 R)
• M10: 4,935,832 km (0.12 R)
• M11: 6,042,557 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 14.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.47 AU - 1.99 AU

Year: 1517 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,707,864 km

• M1: 177,872 km (0.094 R)
• M2: 677,978 km (0.034 R)
• M3: 1,274,873 km (0.032 R)
• M4: 2,441,886 km (0.042 R)
• M5: 2,900,703 km (0.112 R)
• M6: 3,433,720 km (0.114 R)
• M7: 4,159,868 km (0.103 R)
• M8: 4,619,732 km (0.096 R)
• M9: 5,092,312 km (0.103 R)
• M10: 6,135,607 km (0.101 R)
• M11: 7,649,238 km (0.065 R)
• M12: 9,175,286 km (0.101 R)
• M13: 9,892,907 km (0.12 R)
• M14: 10,967,618 km (0.063 R)
• M15: 11,965,885 km (0.074 R)
• M16: 12,704,001 km (0.093 R)
• M17: 13,185,706 km (0.05 R)
• M18: 14,617,358 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 13.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.06 AU - 2.62 AU

Year: 2387 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,707,864 km

• M1: 164,109 km (0.07 R)
• M2: 614,249 km (0.075 R)
• M3: 1,195,586 km (0.079 R)
• M4: 1,636,601 km (0.117 R)
• M5: 2,088,087 km (0.071 R)
• M6: 3,266,918 km (0.11 R)
• M7: 4,033,308 km (0.049 R)
• M8: 4,630,353 km (0.098 R)
• M9: 5,052,967 km (0.12 R)
• M10: 6,588,290 km (0.059 R)
• M11: 9,748,396 km (0.118 R)
• M12: 11,779,486 km (0.056 R)
• M13: 12,614,840 km (0.114 R)
• M14: 13,047,029 km (0.063 R)
• M15: 15,164,736 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 13.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.37 AU - 2.99 AU

Year: 2926 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,707,864 km

• M1: 171,738 km (0.119 R)
• M2: 648,058 km (0.062 R)
• M3: 1,205,310 km (0.059 R)
• M4: 1,980,377 km (0.104 R)
• M5: 2,430,816 km (0.087 R)
• M6: 2,916,710 km (0.066 R)
• M7: 3,799,038 km (0.089 R)
• M8: 4,711,286 km (0.104 R)
• M9: 5,270,034 km (0.105 R)
• M10: 8,199,160 km (0.07 R)
• M11: 8,793,961 km (0.11 R)
• M12: 9,759,466 km (0.12 R)
• M13: 10,794,384 km (0.107 R)
• M14: 11,466,826 km (0.073 R)
• M15: 12,942,310 km (0.115 R)
• M16: 13,750,139 km (0.115 R)
• M17: 15,571,792 km (0.107 R)
• M18: 16,431,232 km (0.056 R)
• M19: 17,378,635 km (0.086 R)
• M20: 18,069,179 km (0.111 R)
• M21: 18,718,134 km (0.118 R)
• M22: 19,628,138 km (0.056 R)
• M23: 22,535,573 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 13.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.18 AU - 4.82 AU

Year: 6366 Days

Day: 11.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,707,864 km

• M1: 176,825 km (0.062 R)
• M2: 731,534 km (0.059 R)
• M3: 1,556,566 km (0.102 R)
• M4: 2,150,469 km (0.111 R)
• M5: 2,608,538 km (0.098 R)
• M6: 3,248,368 km (0.113 R)
• M7: 4,561,389 km (0.12 R)
• M8: 5,116,098 km (0.111 R)
• M9: 5,591,968 km (0.082 R)
• M10: 6,045,699 km (0.094 R)
• M11: 6,551,190 km (0.112 R)
• M12: 7,027,210 km (0.057 R)
• M13: 10,350,677 km (0.119 R)
• M14: 11,876,425 km (0.094 R)
• M15: 13,017,408 km (0.061 R)
• M16: 14,183,973 km (0.099 R)
• M17: 16,062,922 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 10,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit