🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 12.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 9.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,276,147 km

• M1: 159,172 km (0.029 R)
• M2: 633,547 km (0.116 R)
• M3: 1,080,246 km (0.101 R)
• M4: 1,598,004 km (0.114 R)
• M5: 2,115,912 km (0.088 R)
• M6: 2,695,006 km (0.115 R)
• M7: 3,244,179 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 9.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.85 AU - 1.29 AU

Year: 738 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,276,147 km

• M1: 118,182 km (0.09 R)
• M2: 419,772 km (0.114 R)
• M3: 893,698 km (0.085 R)
• M4: 1,230,742 km (0.06 R)
• M5: 1,616,106 km (0.043 R)
• M6: 1,976,337 km (0.118 R)
• M7: 2,331,932 km (0.112 R)
• M8: 2,740,932 km (0.055 R)
• M9: 3,356,527 km (0.113 R)
• M10: 4,563,782 km (0.082 R)
• M11: 4,862,080 km (0.096 R)
• M12: 5,190,298 km (0.083 R)
• M13: 5,515,823 km (0.118 R)
• M14: 5,946,515 km (0.095 R)
• M15: 6,265,009 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.09 AU - 1.65 AU

Year: 1069 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,276,147 km

• M1: 181,612 km (0.056 R)
• M2: 743,801 km (0.086 R)
• M3: 1,418,487 km (0.115 R)
• M4: 1,893,909 km (0.062 R)
• M5: 3,222,637 km (0.119 R)
• M6: 4,415,980 km (0.102 R)
• M7: 4,973,082 km (0.094 R)
• M8: 6,164,330 km (0.081 R)
• M9: 7,099,017 km (0.057 R)
• M10: 7,714,164 km (0.11 R)
• M11: 10,321,056 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 12.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.53 AU - 2.13 AU

Year: 1651 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,276,147 km

• M1: 150,495 km (0.093 R)
• M2: 534,214 km (0.059 R)
• M3: 957,726 km (0.055 R)
• M4: 1,545,346 km (0.065 R)
• M5: 1,984,565 km (0.071 R)
• M6: 2,412,116 km (0.07 R)
• M7: 3,037,435 km (0.118 R)
• M8: 5,151,103 km (0.11 R)
• M9: 5,772,832 km (0.062 R)
• M10: 7,969,827 km (0.11 R)
• M11: 8,717,218 km (0.094 R)
• M12: 9,152,248 km (0.032 R)
• M13: 10,351,574 km (0.092 R)
• M14: 11,006,065 km (0.069 R)
• M15: 11,792,501 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 8.4

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.69 AU - 2.33 AU

Year: 1900 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,276,147 km

• M1: 104,569 km (0.092 R)
• M2: 402,717 km (0.106 R)
• M3: 961,017 km (0.09 R)
• M4: 1,622,987 km (0.118 R)
• M5: 1,971,251 km (0.103 R)
• M6: 2,409,124 km (0.092 R)
• M7: 2,673,314 km (0.08 R)
• M8: 3,146,193 km (0.113 R)
• M9: 3,584,963 km (0.097 R)
• M10: 3,987,531 km (0.092 R)
• M11: 4,732,678 km (0.114 R)
• M12: 5,332,715 km (0.104 R)
• M13: 6,007,551 km (0.073 R)
• M14: 7,153,321 km (0.08 R)
• M15: 7,585,360 km (0.053 R)
• M16: 8,219,206 km (0.098 R)
• M17: 9,976,383 km (0.077 R)
• M18: 11,151,025 km (0.074 R)
• M19: 11,693,018 km (0.086 R)
• M20: 12,787,476 km (0.087 R)
• M21: 13,510,932 km (0.115 R)
• M22: 14,396,551 km (0.047 R)
• M23: 14,669,567 km (0.112 R)
• M24: 15,367,441 km (0.03 R)
• M25: 16,136,075 km (0.085 R)
• M26: 16,480,300 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 11.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.81 AU - 2.39 AU

Year: 2029 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,276,147 km

• M1: 150,196 km (0.072 R)
• M2: 822,190 km (0.092 R)
• M3: 1,221,766 km (0.104 R)
• M4: 1,664,276 km (0.119 R)
• M5: 2,831,588 km (0.118 R)
• M6: 3,187,332 km (0.07 R)
• M7: 4,320,835 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 8.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.08 AU - 4.7 AU

Year: 6134 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,276,147 km

• M1: 117,434 km (0.087 R)
• M2: 1,695,093 km (0.081 R)
• M3: 2,521,771 km (0.061 R)
• M4: 2,933,465 km (0.07 R)
• M5: 3,892,387 km (0.089 R)
• M6: 4,575,600 km (0.082 R)
• M7: 4,926,108 km (0.116 R)
• M8: 5,747,401 km (0.094 R)
• M9: 7,367,246 km (0.104 R)
• M10: 7,740,792 km (0.087 R)
• M11: 10,026,199 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.3

Radius: 4.4

Gravity: 50.89 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.21 AU - 6.99 AU

Year: 10047 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,276,147 km

• M1: 54,902 km (0.064 R)
• M2: 223,499 km (0.101 R)
• M3: 456,722 km (0.097 R)
• M4: 852,109 km (0.098 R)
• M5: 1,075,160 km (0.045 R)
• M6: 1,363,435 km (0.059 R)
• M7: 1,985,613 km (0.046 R)
• M8: 2,521,771 km (0.093 R)
• M9: 2,734,948 km (0.112 R)
• M10: 4,673,587 km (0.12 R)
• M11: 5,684,121 km (0.064 R)
• M12: 6,126,482 km (0.105 R)
• M13: 7,121,008 km (0.073 R)
• M14: 7,990,770 km (0.1 R)
• M15: 8,218,757 km (0.07 R)
• M16: 8,404,259 km (0.068 R)
• M17: 8,735,768 km (0.092 R)
• M18: 9,679,281 km (0.086 R)
• M19: 10,524,958 km (0.086 R)
• M20: 14,402,236 km (0.073 R)
• M21: 17,712,537 km (0.094 R)
• M22: 18,973,348 km (0.118 R)
• M23: 22,294,870 km (0.07 R)
• M24: 25,196,321 km (0.074 R)
• M25: 34,063,585 km (0.107 R)
• M26: 35,269,493 km (0.102 R)
• M27: 40,511,702 km (0.093 R)
• M28: 45,378,270 km (0.103 R)
• M29: 46,396,134 km (0.098 R)
• M30: 53,789,560 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 16,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit