🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 11.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 11.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,170,134 km

• M1: 145,559 km (0.097 R)
• M2: 590,612 km (0.06 R)
• M3: 1,040,154 km (0.053 R)
• M4: 1,613,114 km (0.077 R)
• M5: 2,357,214 km (0.076 R)
• M6: 3,184,939 km (0.073 R)
• M7: 3,594,986 km (0.076 R)
• M8: 3,969,579 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 10.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 13.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,170,134 km

• M1: 134,339 km (0.084 R)
• M2: 473,776 km (0.099 R)
• M3: 810,222 km (0.116 R)
• M4: 1,192,594 km (0.084 R)
• M5: 1,577,061 km (0.07 R)
• M6: 2,308,594 km (0.05 R)
• M7: 2,868,689 km (0.07 R)
• M8: 3,378,369 km (0.113 R)
• M9: 3,751,167 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 8.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.49 AU - 0.67 AU

Year: 295 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 93.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,170,134 km

• M1: 104,569 km (0.1 R)
• M2: 373,097 km (0.058 R)
• M3: 806,033 km (0.103 R)
• M4: 1,613,263 km (0.073 R)
• M5: 2,132,966 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 9.6

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,170,134 km

• M1: 119,379 km (0.113 R)
• M2: 513,569 km (0.112 R)
• M3: 932,743 km (0.098 R)
• M4: 1,359,396 km (0.043 R)
• M5: 1,760,617 km (0.033 R)
• M6: 2,100,504 km (0.116 R)
• M7: 2,632,025 km (0.106 R)
• M8: 3,671,581 km (0.087 R)
• M9: 4,458,465 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 12.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,170,134 km

• M1: 156,779 km (0.082 R)
• M2: 597,195 km (0.062 R)
• M3: 1,010,085 km (0.097 R)
• M4: 1,522,607 km (0.058 R)
• M5: 1,915,302 km (0.085 R)
• M6: 2,539,125 km (0.111 R)
• M7: 3,090,842 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 13.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4 AU - 5.5 AU

Year: 6904 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,170,134 km

• M1: 164,109 km (0.054 R)
• M2: 765,642 km (0.103 R)
• M3: 1,333,366 km (0.099 R)
• M4: 2,130,124 km (0.069 R)
• M5: 3,016,491 km (0.108 R)
• M6: 3,488,622 km (0.099 R)
• M7: 4,161,214 km (0.114 R)
• M8: 4,749,284 km (0.103 R)
• M9: 5,211,242 km (0.067 R)
• M10: 6,710,212 km (0.118 R)
• M11: 10,021,711 km (0.055 R)
• M12: 12,163,055 km (0.072 R)
• M13: 12,866,464 km (0.076 R)
• M14: 14,714,297 km (0.103 R)
• M15: 15,575,981 km (0.101 R)
• M16: 17,535,563 km (0.097 R)
• M17: 21,005,336 km (0.029 R)
• M18: 23,640,952 km (0.04 R)
• M19: 26,044,092 km (0.072 R)
• M20: 27,122,244 km (0.111 R)
• M21: 30,338,897 km (0.091 R)
• M22: 34,013,170 km (0.103 R)
• M23: 35,409,966 km (0.107 R)
• M24: 35,847,390 km (0.105 R)
• M25: 36,844,609 km (0.115 R)
• M26: 37,293,852 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.2

Radius: 3.5

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.19 AU - 6.49 AU

Year: 9411 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,170,134 km

• M1: 43,533 km (0.102 R)
• M2: 178,919 km (0.077 R)
• M3: 442,361 km (0.056 R)
• M4: 732,581 km (0.079 R)
• M5: 1,116,150 km (0.102 R)
• M6: 1,346,082 km (0.054 R)
• M7: 2,027,051 km (0.106 R)
• M8: 3,037,734 km (0.119 R)
• M9: 5,180,724 km (0.078 R)
• M10: 6,792,641 km (0.027 R)
• M11: 9,514,574 km (0.113 R)
• M12: 11,632,282 km (0.065 R)
• M13: 12,166,196 km (0.06 R)
• M14: 12,549,616 km (0.095 R)
• M15: 12,997,512 km (0.112 R)
• M16: 14,772,491 km (0.11 R)
• M17: 15,846,753 km (0.032 R)
• M18: 20,820,284 km (0.082 R)
• M19: 24,082,415 km (0.098 R)
• M20: 27,109,977 km (0.113 R)
• M21: 27,857,517 km (0.094 R)
• M22: 28,522,629 km (0.108 R)
• M23: 28,714,713 km (0.078 R)
• M24: 30,985,010 km (0.117 R)
• M25: 32,737,848 km (0.096 R)
• M26: 33,692,133 km (0.092 R)
• M27: 34,555,762 km (0.062 R)
• M28: 38,158,228 km (0.063 R)
• M29: 38,508,287 km (0.05 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 14,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit