🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 14.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 310 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,258,824 km

• M1: 179,069 km (0.066 R)
• M2: 688,599 km (0.099 R)
• M3: 1,221,915 km (0.113 R)
• M4: 1,719,628 km (0.105 R)
• M5: 2,215,993 km (0.102 R)
• M6: 2,982,982 km (0.109 R)
• M7: 3,562,524 km (0.106 R)
• M8: 4,079,833 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 11.5

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.83 AU - 1.03 AU

Year: 598 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,258,824 km

• M1: 143,016 km (0.099 R)
• M2: 533,167 km (0.098 R)
• M3: 960,119 km (0.079 R)
• M4: 1,399,189 km (0.104 R)
• M5: 1,824,346 km (0.1 R)
• M6: 2,397,306 km (0.109 R)
• M7: 2,894,569 km (0.082 R)
• M8: 3,513,755 km (0.116 R)
• M9: 3,877,128 km (0.08 R)
• M10: 4,966,051 km (0.108 R)
• M11: 5,353,061 km (0.059 R)
• M12: 6,616,415 km (0.115 R)
• M13: 6,999,236 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.2

Radius: 10.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.65 AU - 1.75 AU

Year: 1478 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,258,824 km

• M1: 137,181 km (0.118 R)
• M2: 460,612 km (0.053 R)
• M3: 825,780 km (0.073 R)
• M4: 1,204,113 km (0.091 R)
• M5: 1,698,833 km (0.087 R)
• M6: 3,306,562 km (0.097 R)
• M7: 3,683,548 km (0.117 R)
• M8: 4,177,371 km (0.111 R)
• M9: 4,676,280 km (0.027 R)
• M10: 5,883,385 km (0.116 R)
• M11: 8,206,939 km (0.092 R)
• M12: 9,172,145 km (0.094 R)
• M13: 10,081,401 km (0.07 R)
• M14: 10,474,843 km (0.115 R)
• M15: 11,468,023 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 13.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.71 AU - 4.95 AU

Year: 7079 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,258,824 km

• M1: 177,573 km (0.08 R)
• M2: 610,210 km (0.105 R)
• M3: 1,298,958 km (0.094 R)
• M4: 1,740,870 km (0.046 R)
• M5: 2,397,755 km (0.052 R)
• M6: 3,216,354 km (0.082 R)
• M7: 4,070,408 km (0.107 R)
• M8: 4,826,327 km (0.102 R)
• M9: 6,324,998 km (0.103 R)
• M10: 7,199,697 km (0.103 R)
• M11: 9,356,898 km (0.079 R)
• M12: 9,826,785 km (0.088 R)
• M13: 11,047,354 km (0.113 R)
• M14: 12,215,265 km (0.042 R)
• M15: 14,119,047 km (0.099 R)
• M16: 14,681,385 km (0.036 R)
• M17: 16,582,026 km (0.102 R)
• M18: 18,177,338 km (0.075 R)
• M19: 19,319,219 km (0.099 R)
• M20: 21,376,638 km (0.059 R)
• M21: 22,801,558 km (0.101 R)
• M22: 23,812,391 km (0.047 R)
• M23: 24,771,762 km (0.062 R)
• M24: 25,673,687 km (0.069 R)
• M25: 26,682,426 km (0.064 R)
• M26: 27,196,594 km (0.093 R)
• M27: 28,156,563 km (0.082 R)
• M28: 32,030,400 km (0.12 R)
• M29: 32,514,200 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.3

Radius: 3.6

Gravity: 41 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.32 AU - 8.08 AU

Year: 12883 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,258,824 km

• M1: 57,745 km (0.112 R)
• M2: 467,793 km (0.081 R)
• M3: 792,270 km (0.093 R)
• M4: 1,014,274 km (0.091 R)
• M5: 2,259,377 km (0.108 R)
• M6: 2,475,546 km (0.074 R)
• M7: 3,159,058 km (0.09 R)
• M8: 4,274,310 km (0.092 R)
• M9: 6,402,041 km (0.079 R)
• M10: 7,583,714 km (0.081 R)
• M11: 8,478,459 km (0.106 R)
• M12: 20,647,199 km (0.106 R)
• M13: 21,500,655 km (0.06 R)
• M14: 24,389,988 km (0.056 R)
• M15: 30,923,974 km (0.083 R)
• M16: 36,772,952 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.4

Radius: 4.6

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.29 AU - 8.61 AU

Year: 14948 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,258,824 km

• M1: 57,595 km (0.091 R)
• M2: 369,956 km (0.106 R)
• M3: 660,026 km (0.032 R)
• M4: 804,537 km (0.062 R)
• M5: 1,012,778 km (0.112 R)
• M6: 1,219,372 km (0.072 R)
• M7: 1,671,607 km (0.063 R)
• M8: 2,209,561 km (0.096 R)
• M9: 2,683,487 km (0.115 R)
• M10: 5,269,286 km (0.107 R)
• M11: 6,522,617 km (0.084 R)
• M12: 7,446,832 km (0.039 R)
• M13: 7,787,766 km (0.099 R)
• M14: 8,546,975 km (0.111 R)
• M15: 11,174,063 km (0.111 R)
• M16: 11,452,016 km (0.064 R)
• M17: 15,703,288 km (0.073 R)
• M18: 20,400,063 km (0.091 R)
• M19: 22,356,504 km (0.087 R)
• M20: 22,709,106 km (0.059 R)
• M21: 24,156,466 km (0.035 R)
• M22: 27,333,625 km (0.112 R)
• M23: 27,635,663 km (0.052 R)
• M24: 28,865,657 km (0.089 R)
• M25: 30,238,966 km (0.117 R)
• M26: 31,214,793 km (0.108 R)
• M27: 34,619,341 km (0.109 R)
• M28: 38,137,733 km (0.058 R)
• M29: 38,767,391 km (0.059 R)
• M30: 44,333,778 km (0.116 R)
• M31: 48,179,789 km (0.101 R)
• M32: 49,958,209 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 13,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit