🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 14.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.66 AU - 1.1 AU

Year: 550 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,404,207 km

• M1: 179,069 km (0.088 R)
• M2: 644,916 km (0.083 R)
• M3: 1,459,926 km (0.094 R)
• M4: 1,937,891 km (0.069 R)
• M5: 2,608,987 km (0.097 R)
• M6: 3,361,464 km (0.079 R)
• M7: 3,841,225 km (0.1 R)
• M8: 5,254,027 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 11.7

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.9 AU - 1.28 AU

Year: 759 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,404,207 km

• M1: 145,559 km (0.109 R)
• M2: 511,774 km (0.085 R)
• M3: 949,797 km (0.07 R)
• M4: 1,329,177 km (0.083 R)
• M5: 1,829,732 km (0.104 R)
• M6: 2,275,832 km (0.101 R)
• M7: 2,926,733 km (0.091 R)
• M8: 3,390,785 km (0.093 R)
• M9: 3,888,946 km (0.087 R)
• M10: 4,451,883 km (0.084 R)
• M11: 4,874,347 km (0.085 R)
• M12: 5,286,639 km (0.042 R)
• M13: 5,683,373 km (0.072 R)
• M14: 6,431,212 km (0.114 R)
• M15: 7,062,216 km (0.037 R)
• M16: 7,497,696 km (0.104 R)
• M17: 7,951,127 km (0.069 R)
• M18: 8,627,010 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 9.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.67 AU - 1.77 AU

Year: 1504 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,404,207 km

• M1: 121,922 km (0.1 R)
• M2: 571,314 km (0.057 R)
• M3: 880,533 km (0.11 R)
• M4: 1,266,346 km (0.074 R)
• M5: 1,634,955 km (0.077 R)
• M6: 2,160,792 km (0.048 R)
• M7: 4,565,428 km (0.055 R)
• M8: 5,518,516 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 8

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.48 AU - 2.08 AU

Year: 1584 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,404,207 km

• M1: 99,483 km (0.064 R)
• M2: 359,484 km (0.085 R)
• M3: 675,285 km (0.079 R)
• M4: 1,008,140 km (0.1 R)
• M5: 1,351,617 km (0.103 R)
• M6: 2,661,795 km (0.096 R)
• M7: 3,103,557 km (0.085 R)
• M8: 5,001,356 km (0.087 R)
• M9: 5,674,995 km (0.069 R)
• M10: 6,331,730 km (0.104 R)
• M11: 6,639,453 km (0.114 R)
• M12: 7,424,542 km (0.036 R)
• M13: 8,089,954 km (0.108 R)
• M14: 8,361,025 km (0.032 R)
• M15: 9,506,346 km (0.066 R)
• M16: 10,255,832 km (0.065 R)
• M17: 11,191,716 km (0.119 R)
• M18: 13,440,770 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 11.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.9 AU - 2 AU

Year: 1816 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,404,207 km

• M1: 142,268 km (0.05 R)
• M2: 511,326 km (0.102 R)
• M3: 887,115 km (0.119 R)
• M4: 1,361,341 km (0.111 R)
• M5: 1,719,179 km (0.08 R)
• M6: 3,055,686 km (0.107 R)
• M7: 3,826,265 km (0.084 R)
• M8: 4,337,291 km (0.119 R)
• M9: 5,029,929 km (0.109 R)
• M10: 5,392,854 km (0.068 R)
• M11: 5,860,347 km (0.112 R)
• M12: 6,308,692 km (0.109 R)
• M13: 6,779,925 km (0.101 R)
• M14: 7,173,667 km (0.114 R)
• M15: 8,731,130 km (0.049 R)
• M16: 9,407,313 km (0.079 R)
• M17: 10,438,341 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 10

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.39 AU - 3.79 AU

Year: 4536 Days

Day: 14.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,404,207 km

• M1: 124,316 km (0.105 R)
• M2: 660,175 km (0.082 R)
• M3: 1,021,155 km (0.051 R)
• M4: 1,694,944 km (0.107 R)
• M5: 2,097,362 km (0.117 R)
• M6: 3,487,126 km (0.116 R)
• M7: 3,930,385 km (0.03 R)
• M8: 4,595,497 km (0.116 R)
• M9: 6,586,944 km (0.093 R)
• M10: 7,790,010 km (0.102 R)
• M11: 9,208,347 km (0.088 R)
• M12: 9,939,432 km (0.081 R)
• M13: 10,833,579 km (0.091 R)
• M14: 12,922,563 km (0.086 R)
• M15: 15,266,911 km (0.098 R)
• M16: 20,715,715 km (0.031 R)
• M17: 21,501,852 km (0.114 R)
• M18: 23,695,106 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 8

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.91 AU - 5.61 AU

Year: 6925 Days

Day: 6.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,404,207 km

• M1: 100,081 km (0.1 R)
• M2: 762,500 km (0.083 R)
• M3: 1,391,410 km (0.116 R)
• M4: 2,726,272 km (0.051 R)
• M5: 3,658,416 km (0.064 R)
• M6: 4,540,295 km (0.103 R)
• M7: 4,873,300 km (0.093 R)
• M8: 7,299,927 km (0.045 R)
• M9: 10,151,861 km (0.106 R)
• M10: 12,349,005 km (0.093 R)
• M11: 13,221,161 km (0.07 R)
• M12: 13,786,641 km (0.099 R)
• M13: 15,830,447 km (0.07 R)
• M14: 18,068,431 km (0.086 R)
• M15: 19,623,949 km (0.101 R)
• M16: 22,837,910 km (0.065 R)
• M17: 24,994,214 km (0.047 R)
• M18: 26,386,671 km (0.116 R)
• M19: 28,664,598 km (0.096 R)
• M20: 34,342,585 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.1

Radius: 6.5

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.53 AU - 6.11 AU

Year: 9363 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 121.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,404,207 km

• M1: 81,680 km (0.118 R)
• M2: 409,749 km (0.107 R)
• M3: 652,097 km (0.085 R)
• M4: 1,069,924 km (0.082 R)
• M5: 1,357,301 km (0.118 R)
• M6: 1,946,268 km (0.094 R)
• M7: 2,635,466 km (0.103 R)
• M8: 2,891,428 km (0.097 R)
• M9: 3,407,839 km (0.118 R)
• M10: 3,958,509 km (0.113 R)
• M11: 4,402,516 km (0.092 R)
• M12: 4,678,973 km (0.057 R)
• M13: 4,996,270 km (0.113 R)
• M14: 5,266,443 km (0.109 R)
• M15: 5,610,070 km (0.114 R)
• M16: 9,006,540 km (0.097 R)
• M17: 12,445,346 km (0.076 R)
• M18: 14,095,710 km (0.057 R)
• M19: 15,504,323 km (0.114 R)
• M20: 19,616,470 km (0.034 R)
• M21: 22,081,394 km (0.111 R)
• M22: 23,471,308 km (0.108 R)
• M23: 28,652,181 km (0.115 R)
• M24: 29,324,773 km (0.055 R)
• M25: 32,327,053 km (0.116 R)
• M26: 33,795,655 km (0.112 R)
• M27: 34,763,104 km (0.084 R)
• M28: 35,089,527 km (0.117 R)
• M29: 38,236,318 km (0.074 R)
• M30: 39,051,327 km (0.057 R)
• M31: 39,404,229 km (0.067 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 11,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit