🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 13.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.58 AU - 1.86 AU

Year: 1456 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 78.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,775,869 km

• M1: 166,951 km (0.089 R)
• M2: 659,427 km (0.098 R)
• M3: 1,164,919 km (0.086 R)
• M4: 1,739,374 km (0.115 R)
• M5: 2,322,806 km (0.097 R)
• M6: 3,790,511 km (0.09 R)
• M7: 4,519,202 km (0.062 R)
• M8: 5,873,362 km (0.112 R)
• M9: 7,746,178 km (0.085 R)
• M10: 8,208,585 km (0.096 R)
• M11: 9,010,280 km (0.11 R)
• M12: 10,245,360 km (0.114 R)
• M13: 12,124,309 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 8.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.37 AU - 2.23 AU

Year: 1559 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,775,869 km

• M1: 104,569 km (0.117 R)
• M2: 480,359 km (0.1 R)
• M3: 1,091,017 km (0.09 R)
• M4: 1,929,065 km (0.057 R)
• M5: 2,805,558 km (0.103 R)
• M6: 4,831,862 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 12

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.17 AU - 2.29 AU

Year: 2150 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,775,869 km

• M1: 149,299 km (0.088 R)
• M2: 555,158 km (0.111 R)
• M3: 1,108,969 km (0.101 R)
• M4: 1,618,948 km (0.066 R)
• M5: 2,751,105 km (0.08 R)
• M6: 3,396,320 km (0.114 R)
• M7: 4,065,023 km (0.081 R)
• M8: 4,451,135 km (0.069 R)
• M9: 5,055,062 km (0.095 R)
• M10: 6,075,020 km (0.082 R)
• M11: 6,634,217 km (0.113 R)
• M12: 7,508,766 km (0.08 R)
• M13: 8,458,413 km (0.113 R)
• M14: 9,059,348 km (0.098 R)
• M15: 9,654,598 km (0.037 R)
• M16: 11,219,990 km (0.068 R)
• M17: 12,102,767 km (0.086 R)
• M18: 13,449,447 km (0.104 R)
• M19: 13,876,549 km (0.086 R)
• M20: 14,984,321 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42

Radius: 14

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.96 AU - 2.94 AU

Year: 2476 Days

Day: 10.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,775,869 km

• M1: 174,581 km (0.032 R)
• M2: 1,543,551 km (0.093 R)
• M3: 1,985,463 km (0.048 R)
• M4: 2,834,730 km (0.092 R)
• M5: 4,172,733 km (0.107 R)
• M6: 5,305,488 km (0.068 R)
• M7: 5,860,646 km (0.109 R)
• M8: 6,715,149 km (0.077 R)
• M9: 7,258,189 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.7

Radius: 12.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.22 AU - 4.04 AU

Year: 4466 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,775,869 km

• M1: 160,519 km (0.111 R)
• M2: 684,859 km (0.107 R)
• M3: 1,618,200 km (0.055 R)
• M4: 2,051,884 km (0.107 R)
• M5: 3,028,011 km (0.077 R)
• M6: 4,189,189 km (0.084 R)
• M7: 4,636,487 km (0.109 R)
• M8: 5,210,643 km (0.078 R)
• M9: 5,653,154 km (0.076 R)
• M10: 6,120,797 km (0.103 R)
• M11: 8,256,157 km (0.036 R)
• M12: 9,746,750 km (0.069 R)
• M13: 10,848,987 km (0.119 R)
• M14: 11,369,289 km (0.071 R)
• M15: 12,245,035 km (0.094 R)
• M16: 13,075,602 km (0.117 R)
• M17: 14,131,015 km (0.109 R)
• M18: 15,591,838 km (0.078 R)
• M19: 17,913,597 km (0.112 R)
• M20: 18,812,231 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.9

Radius: 10.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.66 AU - 6.04 AU

Year: 6896 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,775,869 km

• M1: 129,253 km (0.073 R)
• M2: 458,218 km (0.099 R)
• M3: 1,066,034 km (0.098 R)
• M4: 1,395,000 km (0.099 R)
• M5: 1,753,885 km (0.106 R)
• M6: 2,100,354 km (0.117 R)
• M7: 2,426,627 km (0.056 R)
• M8: 3,792,904 km (0.112 R)
• M9: 4,161,514 km (0.1 R)
• M10: 5,822,200 km (0.115 R)
• M11: 6,251,396 km (0.112 R)
• M12: 6,636,012 km (0.104 R)
• M13: 7,207,925 km (0.095 R)
• M14: 8,450,335 km (0.062 R)
• M15: 12,673,333 km (0.109 R)
• M16: 17,616,496 km (0.1 R)
• M17: 21,835,604 km (0.077 R)
• M18: 24,729,725 km (0.051 R)
• M19: 27,103,693 km (0.071 R)
• M20: 29,357,685 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.8

Radius: 4.3

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.14 AU - 8.52 AU

Year: 12814 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,775,869 km

• M1: 53,556 km (0.084 R)
• M2: 342,878 km (0.105 R)
• M3: 832,662 km (0.073 R)
• M4: 973,433 km (0.084 R)
• M5: 1,130,362 km (0.111 R)
• M6: 1,433,746 km (0.12 R)
• M7: 1,719,328 km (0.094 R)
• M8: 2,334,774 km (0.089 R)
• M9: 2,730,161 km (0.103 R)
• M10: 2,984,029 km (0.106 R)
• M11: 4,878,087 km (0.058 R)
• M12: 5,370,713 km (0.061 R)
• M13: 5,582,993 km (0.108 R)
• M14: 7,302,321 km (0.116 R)
• M15: 7,868,399 km (0.098 R)
• M16: 8,876,090 km (0.119 R)
• M17: 9,697,233 km (0.097 R)
• M18: 11,589,497 km (0.12 R)
• M19: 18,168,213 km (0.1 R)
• M20: 19,987,772 km (0.108 R)
• M21: 21,771,876 km (0.049 R)
• M22: 22,860,200 km (0.094 R)
• M23: 26,342,091 km (0.027 R)
• M24: 34,854,658 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.2

Radius: 4.7

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.68 AU - 9.08 AU

Year: 15663 Days

Day: 17.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,775,869 km

• M1: 58,493 km (0.103 R)
• M2: 213,177 km (0.1 R)
• M3: 460,013 km (0.087 R)
• M4: 643,570 km (0.051 R)
• M5: 954,883 km (0.095 R)
• M6: 2,408,077 km (0.025 R)
• M7: 3,565,665 km (0.101 R)
• M8: 3,719,601 km (0.076 R)
• M9: 7,027,809 km (0.063 R)
• M10: 7,858,227 km (0.118 R)
• M11: 9,662,526 km (0.09 R)
• M12: 9,861,791 km (0.04 R)
• M13: 10,581,357 km (0.106 R)
• M14: 12,473,620 km (0.119 R)
• M15: 14,514,883 km (0.119 R)
• M16: 14,776,530 km (0.056 R)
• M17: 15,376,716 km (0.109 R)
• M18: 18,546,845 km (0.065 R)
• M19: 19,088,389 km (0.072 R)
• M20: 22,040,553 km (0.073 R)
• M21: 24,908,345 km (0.117 R)
• M22: 27,215,593 km (0.104 R)
• M23: 33,598,635 km (0.026 R)
• M24: 36,408,531 km (0.071 R)
• M25: 37,624,164 km (0.113 R)
• M26: 38,615,998 km (0.089 R)
• M27: 47,760,018 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 19,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit