🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 8.4

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.72 AU - 1.12 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,810,883 km

• M1: 104,419 km (0.1 R)
• M2: 429,795 km (0.056 R)
• M3: 704,456 km (0.106 R)
• M4: 1,038,359 km (0.032 R)
• M5: 1,316,312 km (0.042 R)
• M6: 2,355,119 km (0.058 R)
• M7: 2,629,631 km (0.104 R)
• M8: 3,008,862 km (0.119 R)
• M9: 3,764,331 km (0.082 R)
• M10: 4,656,832 km (0.066 R)
• M11: 4,955,429 km (0.057 R)
• M12: 5,536,318 km (0.104 R)
• M13: 6,201,131 km (0.116 R)
• M14: 6,481,477 km (0.114 R)
• M15: 7,307,706 km (0.101 R)
• M16: 7,757,697 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 12.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.12 AU

Year: 579 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,810,883 km

• M1: 156,629 km (0.098 R)
• M2: 553,213 km (0.115 R)
• M3: 995,873 km (0.101 R)
• M4: 1,722,320 km (0.075 R)
• M5: 2,270,148 km (0.069 R)
• M6: 2,684,384 km (0.091 R)
• M7: 3,079,921 km (0.059 R)
• M8: 3,668,738 km (0.051 R)
• M9: 4,201,606 km (0.094 R)
• M10: 4,880,331 km (0.039 R)
• M11: 5,389,413 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.6

Radius: 12.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.81 AU - 1.13 AU

Year: 627 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,810,883 km

• M1: 151,991 km (0.11 R)
• M2: 747,989 km (0.108 R)
• M3: 1,238,670 km (0.108 R)
• M4: 1,669,213 km (0.119 R)
• M5: 2,120,400 km (0.089 R)
• M6: 2,525,362 km (0.057 R)
• M7: 3,125,997 km (0.029 R)
• M8: 3,990,673 km (0.088 R)
• M9: 4,439,616 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 13

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.16 AU - 1.94 AU

Year: 1266 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,810,883 km

• M1: 161,715 km (0.077 R)
• M2: 599,887 km (0.081 R)
• M3: 1,134,700 km (0.09 R)
• M4: 1,567,038 km (0.045 R)
• M5: 2,193,853 km (0.114 R)
• M6: 2,926,434 km (0.108 R)
• M7: 3,332,143 km (0.115 R)
• M8: 3,789,464 km (0.1 R)
• M9: 4,485,094 km (0.104 R)
• M10: 5,196,282 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 13.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.52 AU - 2.82 AU

Year: 2862 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,810,883 km

• M1: 168,298 km (0.114 R)
• M2: 762,650 km (0.066 R)
• M3: 1,256,772 km (0.071 R)
• M4: 2,184,578 km (0.113 R)
• M5: 2,770,253 km (0.091 R)
• M6: 3,306,263 km (0.078 R)
• M7: 3,987,232 km (0.05 R)
• M8: 5,534,224 km (0.114 R)
• M9: 6,524,113 km (0.092 R)
• M10: 6,991,157 km (0.096 R)
• M11: 8,821,338 km (0.115 R)
• M12: 9,777,118 km (0.09 R)
• M13: 10,353,669 km (0.057 R)
• M14: 11,417,160 km (0.112 R)
• M15: 13,939,978 km (0.062 R)
• M16: 15,913,773 km (0.072 R)
• M17: 16,865,365 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 8.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.15 AU - 3.51 AU

Year: 3123 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,810,883 km

• M1: 113,994 km (0.09 R)
• M2: 506,688 km (0.059 R)
• M3: 1,382,135 km (0.104 R)
• M4: 2,188,617 km (0.066 R)
• M5: 2,886,641 km (0.054 R)
• M6: 3,633,134 km (0.085 R)
• M7: 4,232,423 km (0.03 R)
• M8: 5,877,850 km (0.095 R)
• M9: 9,018,508 km (0.09 R)
• M10: 10,041,607 km (0.109 R)
• M11: 10,867,837 km (0.079 R)
• M12: 11,377,068 km (0.109 R)
• M13: 11,861,166 km (0.103 R)
• M14: 12,233,067 km (0.103 R)
• M15: 15,203,482 km (0.109 R)
• M16: 17,063,283 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 12.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3 AU - 3.44 AU

Year: 3790 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,810,883 km

• M1: 220,956 km (0.06 R)
• M2: 646,113 km (0.062 R)
• M3: 1,350,719 km (0.119 R)
• M4: 2,898,309 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 12.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.5 AU - 6.12 AU

Year: 9187 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,810,883 km

• M1: 151,692 km (0.062 R)
• M2: 711,487 km (0.104 R)
• M3: 1,581,698 km (0.047 R)
• M4: 2,386,684 km (0.082 R)
• M5: 2,802,417 km (0.071 R)
• M6: 3,379,266 km (0.063 R)
• M7: 4,629,306 km (0.103 R)
• M8: 5,068,077 km (0.055 R)
• M9: 5,631,163 km (0.069 R)
• M10: 6,200,981 km (0.107 R)
• M11: 7,694,866 km (0.115 R)
• M12: 8,103,268 km (0.116 R)
• M13: 9,508,590 km (0.093 R)
• M14: 10,172,206 km (0.108 R)
• M15: 12,516,255 km (0.106 R)
• M16: 13,547,733 km (0.091 R)
• M17: 14,573,077 km (0.117 R)
• M18: 16,710,381 km (0.101 R)
• M19: 17,258,508 km (0.089 R)
• M20: 17,960,421 km (0.104 R)
• M21: 19,421,394 km (0.12 R)
• M22: 21,198,018 km (0.026 R)
• M23: 22,496,079 km (0.107 R)
• M24: 23,418,799 km (0.109 R)
• M25: 24,629,494 km (0.093 R)
• M26: 31,940,043 km (0.063 R)
• M27: 36,428,129 km (0.118 R)
• M28: 39,845,243 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.5

Radius: 5.9

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.56 AU - 9.54 AU

Year: 17860 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,810,883 km

• M1: 73,602 km (0.09 R)
• M2: 295,157 km (0.119 R)
• M3: 588,967 km (0.039 R)
• M4: 822,040 km (0.06 R)
• M5: 1,056,909 km (0.12 R)
• M6: 2,316,224 km (0.115 R)
• M7: 2,744,971 km (0.066 R)
• M8: 3,704,043 km (0.077 R)
• M9: 4,735,969 km (0.093 R)
• M10: 5,832,372 km (0.084 R)
• M11: 6,062,753 km (0.061 R)
• M12: 7,131,929 km (0.111 R)
• M13: 7,529,710 km (0.101 R)
• M14: 11,560,026 km (0.116 R)
• M15: 13,724,408 km (0.11 R)
• M16: 17,455,977 km (0.116 R)
• M17: 20,906,302 km (0.051 R)
• M18: 22,181,475 km (0.051 R)
• M19: 23,028,049 km (0.076 R)
• M20: 23,507,660 km (0.112 R)
• M21: 28,455,310 km (0.03 R)
• M22: 30,019,356 km (0.066 R)
• M23: 34,302,642 km (0.096 R)
• M24: 38,169,298 km (0.109 R)
• M25: 41,042,475 km (0.038 R)
• M26: 45,093,137 km (0.102 R)
• M27: 47,988,454 km (0.108 R)
• M28: 57,414,167 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 18,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit