🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.58 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 12.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.58 AU - 3.74 AU

Year: 3810 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,977,699 km

• M1: 159,471 km (0.115 R)
• M2: 679,174 km (0.037 R)
• M3: 1,383,332 km (0.075 R)
• M4: 2,334,026 km (0.118 R)
• M5: 9,918,339 km (0.106 R)
• M6: 12,065,218 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.9

Radius: 12.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.16 AU - 4.86 AU

Year: 6496 Days

Day: 10.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 169 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,977,699 km

• M1: 156,629 km (0.065 R)
• M2: 675,135 km (0.112 R)
• M3: 1,135,747 km (0.1 R)
• M4: 1,707,660 km (0.114 R)
• M5: 2,526,708 km (0.095 R)
• M6: 3,535,895 km (0.078 R)
• M7: 5,009,883 km (0.095 R)
• M8: 6,143,685 km (0.074 R)
• M9: 7,631,735 km (0.088 R)
• M10: 9,311,420 km (0.111 R)
• M11: 10,257,776 km (0.1 R)
• M12: 12,121,467 km (0.074 R)
• M13: 18,295,820 km (0.107 R)
• M14: 21,148,501 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 10.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.76 AU - 5.76 AU

Year: 8182 Days

Day: 14.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,977,699 km

• M1: 131,796 km (0.047 R)
• M2: 1,071,719 km (0.073 R)
• M3: 1,938,190 km (0.092 R)
• M4: 2,339,860 km (0.087 R)
• M5: 4,703,357 km (0.11 R)
• M6: 6,538,923 km (0.119 R)
• M7: 9,528,487 km (0.115 R)
• M8: 10,042,355 km (0.119 R)
• M9: 11,919,958 km (0.057 R)
• M10: 14,842,802 km (0.047 R)
• M11: 17,914,195 km (0.082 R)
• M12: 21,993,580 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.1

Radius: 3.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.34 AU - 8.54 AU

Year: 12400 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,977,699 km

• M1: 84,972 km (0.099 R)
• M2: 216,468 km (0.067 R)
• M3: 393,293 km (0.064 R)
• M4: 638,933 km (0.073 R)
• M5: 1,140,385 km (0.085 R)
• M6: 2,183,381 km (0.118 R)
• M7: 2,325,798 km (0.079 R)
• M8: 2,629,482 km (0.101 R)
• M9: 4,048,717 km (0.095 R)
• M10: 4,487,487 km (0.07 R)
• M11: 6,474,596 km (0.049 R)
• M12: 7,259,685 km (0.104 R)
• M13: 8,344,868 km (0.108 R)
• M14: 9,458,924 km (0.062 R)
• M15: 10,070,929 km (0.108 R)
• M16: 10,913,613 km (0.103 R)
• M17: 11,500,935 km (0.089 R)
• M18: 13,200,965 km (0.104 R)
• M19: 15,061,364 km (0.067 R)
• M20: 15,370,284 km (0.074 R)
• M21: 17,937,533 km (0.074 R)
• M22: 19,656,412 km (0.1 R)
• M23: 19,963,387 km (0.086 R)
• M24: 20,398,717 km (0.062 R)
• M25: 21,807,630 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 5

Gravity: 35.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.6 AU - 9.74 AU

Year: 15839 Days

Day: 20.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,977,699 km

• M1: 62,233 km (0.089 R)
• M2: 363,074 km (0.105 R)
• M3: 540,048 km (0.052 R)
• M4: 699,071 km (0.059 R)
• M5: 1,181,374 km (0.051 R)
• M6: 1,717,982 km (0.061 R)
• M7: 2,425,281 km (0.03 R)
• M8: 3,019,483 km (0.075 R)
• M9: 4,869,411 km (0.119 R)
• M10: 5,194,636 km (0.12 R)
• M11: 8,491,774 km (0.074 R)
• M12: 11,084,155 km (0.111 R)
• M13: 14,160,037 km (0.102 R)
• M14: 18,357,155 km (0.084 R)
• M15: 21,160,170 km (0.101 R)
• M16: 25,717,669 km (0.058 R)
• M17: 28,512,157 km (0.077 R)
• M18: 32,250,010 km (0.095 R)
• M19: 34,959,676 km (0.117 R)
• M20: 35,760,773 km (0.049 R)
• M21: 38,378,586 km (0.086 R)
• M22: 43,071,471 km (0.117 R)
• M23: 43,837,711 km (0.076 R)
• M24: 53,752,609 km (0.108 R)
• M25: 55,538,209 km (0.111 R)
• M26: 60,556,021 km (0.071 R)
• M27: 61,517,188 km (0.103 R)
• M28: 62,684,051 km (0.075 R)
• M29: 63,273,018 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 7.5

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8 AU - 11.94 AU

Year: 21352 Days

Day: 18.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,977,699 km

• M1: 93,947 km (0.044 R)
• M2: 429,196 km (0.065 R)
• M3: 753,973 km (0.045 R)
• M4: 1,026,690 km (0.118 R)
• M5: 3,556,689 km (0.113 R)
• M6: 4,117,981 km (0.117 R)
• M7: 5,231,737 km (0.086 R)
• M8: 6,118,553 km (0.113 R)
• M9: 7,654,923 km (0.084 R)
• M10: 9,378,291 km (0.072 R)
• M11: 10,919,597 km (0.109 R)
• M12: 11,845,459 km (0.107 R)
• M13: 12,100,822 km (0.062 R)
• M14: 13,641,979 km (0.057 R)
• M15: 17,849,569 km (0.085 R)
• M16: 18,270,388 km (0.083 R)
• M17: 20,842,424 km (0.091 R)
• M18: 23,950,021 km (0.118 R)
• M19: 26,257,119 km (0.107 R)
• M20: 27,021,265 km (0.075 R)
• M21: 27,688,023 km (0.096 R)
• M22: 28,138,462 km (0.09 R)
• M23: 29,286,177 km (0.062 R)
• M24: 36,835,334 km (0.118 R)
• M25: 43,280,310 km (0.083 R)
• M26: 43,734,937 km (0.088 R)
• M27: 55,624,527 km (0.063 R)
• M28: 57,429,276 km (0.111 R)
• M29: 57,794,893 km (0.108 R)
• M30: 61,727,672 km (0.098 R)
• M31: 67,854,004 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 5.4

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.13 AU - 12.47 AU

Year: 24073 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,977,699 km

• M1: 67,319 km (0.117 R)
• M2: 251,175 km (0.095 R)
• M3: 491,878 km (0.034 R)
• M4: 755,469 km (0.086 R)
• M5: 1,319,304 km (0.115 R)
• M6: 1,601,445 km (0.103 R)
• M7: 2,857,918 km (0.1 R)
• M8: 3,464,986 km (0.104 R)
• M9: 4,628,857 km (0.107 R)
• M10: 4,965,004 km (0.075 R)
• M11: 6,682,387 km (0.088 R)
• M12: 9,015,366 km (0.055 R)
• M13: 9,433,043 km (0.104 R)
• M14: 13,318,998 km (0.069 R)
• M15: 15,797,685 km (0.087 R)
• M16: 16,636,181 km (0.088 R)
• M17: 18,318,558 km (0.113 R)
• M18: 18,988,308 km (0.11 R)
• M19: 19,935,711 km (0.11 R)
• M20: 20,111,190 km (0.097 R)
• M21: 21,830,967 km (0.1 R)
• M22: 24,439,954 km (0.095 R)
• M23: 26,607,477 km (0.096 R)
• M24: 32,519,585 km (0.112 R)
• M25: 42,067,968 km (0.062 R)
• M26: 48,418,697 km (0.03 R)
• M27: 48,895,316 km (0.089 R)
• M28: 54,175,522 km (0.103 R)
• M29: 56,600,654 km (0.108 R)
• M30: 56,776,581 km (0.111 R)
• M31: 60,555,872 km (0.043 R)
• M32: 60,740,027 km (0.118 R)
• M33: 62,038,686 km (0.034 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: 178 - 10,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit