🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 8.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.57 AU - 0.83 AU

Year: 384 Days

Day: 10.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,949,888 km

• M1: 102,026 km (0.066 R)
• M2: 373,995 km (0.087 R)
• M3: 880,383 km (0.11 R)
• M4: 1,270,984 km (0.085 R)
• M5: 1,658,592 km (0.119 R)
• M6: 2,599,562 km (0.089 R)
• M7: 2,892,624 km (0.067 R)
• M8: 4,241,997 km (0.109 R)
• M9: 4,582,482 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 11.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.01 AU - 1.15 AU

Year: 736 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,949,888 km

• M1: 143,016 km (0.1 R)
• M2: 527,931 km (0.08 R)
• M3: 1,071,420 km (0.117 R)
• M4: 1,495,530 km (0.086 R)
• M5: 2,120,550 km (0.112 R)
• M6: 2,613,774 km (0.12 R)
• M7: 3,344,410 km (0.096 R)
• M8: 4,158,671 km (0.073 R)
• M9: 4,638,731 km (0.096 R)
• M10: 5,248,492 km (0.09 R)
• M11: 5,931,556 km (0.047 R)
• M12: 6,694,804 km (0.047 R)
• M13: 7,427,235 km (0.063 R)
• M14: 7,936,317 km (0.099 R)
• M15: 8,651,394 km (0.104 R)
• M16: 9,188,002 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 10.6

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.2 AU - 1.96 AU

Year: 1303 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,949,888 km

• M1: 131,796 km (0.102 R)
• M2: 501,302 km (0.113 R)
• M3: 1,185,414 km (0.097 R)
• M4: 1,767,948 km (0.072 R)
• M5: 2,308,295 km (0.081 R)
• M6: 2,664,787 km (0.112 R)
• M7: 3,269,162 km (0.099 R)
• M8: 3,637,622 km (0.085 R)
• M9: 4,420,617 km (0.067 R)
• M10: 5,058,054 km (0.113 R)
• M11: 5,486,801 km (0.119 R)
• M12: 6,104,042 km (0.082 R)
• M13: 6,540,868 km (0.058 R)
• M14: 7,396,119 km (0.107 R)
• M15: 8,178,815 km (0.08 R)
• M16: 12,552,757 km (0.083 R)
• M17: 12,982,402 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 10.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.73 AU - 2.21 AU

Year: 1814 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,949,888 km

• M1: 130,898 km (0.087 R)
• M2: 466,596 km (0.119 R)
• M3: 922,869 km (0.102 R)
• M4: 1,615,208 km (0.097 R)
• M5: 2,146,131 km (0.105 R)
• M6: 2,734,649 km (0.114 R)
• M7: 3,067,654 km (0.108 R)
• M8: 3,746,828 km (0.11 R)
• M9: 5,119,538 km (0.041 R)
• M10: 5,790,934 km (0.08 R)
• M11: 7,173,218 km (0.117 R)
• M12: 7,670,182 km (0.097 R)
• M13: 8,219,505 km (0.101 R)
• M14: 9,171,995 km (0.075 R)
• M15: 9,824,541 km (0.081 R)
• M16: 10,299,514 km (0.106 R)
• M17: 14,023,155 km (0.08 R)
• M18: 14,495,286 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 12.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.17 AU - 3.03 AU

Year: 2750 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,949,888 km

• M1: 157,227 km (0.107 R)
• M2: 613,950 km (0.047 R)
• M3: 1,008,140 km (0.092 R)
• M4: 2,833,234 km (0.111 R)
• M5: 3,470,970 km (0.12 R)
• M6: 4,731,033 km (0.113 R)
• M7: 5,180,275 km (0.084 R)
• M8: 6,303,605 km (0.109 R)
• M9: 7,240,238 km (0.104 R)
• M10: 7,646,396 km (0.12 R)
• M11: 8,607,712 km (0.073 R)
• M12: 9,316,507 km (0.099 R)
• M13: 11,053,936 km (0.051 R)
• M14: 14,513,088 km (0.091 R)
• M15: 14,909,672 km (0.115 R)
• M16: 18,118,247 km (0.105 R)
• M17: 19,283,016 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 12.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.31 AU - 4.95 AU

Year: 5506 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,949,888 km

• M1: 161,416 km (0.042 R)
• M2: 638,185 km (0.059 R)
• M3: 1,158,486 km (0.113 R)
• M4: 1,817,315 km (0.082 R)
• M5: 2,750,806 km (0.078 R)
• M6: 5,085,430 km (0.048 R)
• M7: 7,329,697 km (0.079 R)
• M8: 7,783,428 km (0.056 R)
• M9: 8,330,357 km (0.054 R)
• M10: 8,863,823 km (0.078 R)
• M11: 10,084,243 km (0.029 R)
• M12: 11,976,955 km (0.096 R)
• M13: 12,608,109 km (0.12 R)
• M14: 13,674,442 km (0.105 R)
• M15: 16,573,350 km (0.092 R)
• M16: 17,419,026 km (0.114 R)
• M17: 19,065,650 km (0.107 R)
• M18: 20,883,115 km (0.117 R)
• M19: 21,302,288 km (0.088 R)
• M20: 22,157,389 km (0.1 R)
• M21: 23,936,108 km (0.107 R)
• M22: 25,331,258 km (0.102 R)
• M23: 27,944,433 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 9.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.57 AU - 6.93 AU

Year: 9045 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 104.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,949,888 km

• M1: 119,230 km (0.114 R)
• M2: 938,128 km (0.055 R)
• M3: 1,249,890 km (0.108 R)
• M4: 3,006,618 km (0.112 R)
• M5: 4,952,587 km (0.055 R)
• M6: 10,036,671 km (0.084 R)
• M7: 10,811,438 km (0.051 R)
• M8: 13,173,289 km (0.069 R)
• M9: 14,636,207 km (0.106 R)
• M10: 16,204,591 km (0.064 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: 370 - 14,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit