🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 39.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.7

Radius: 10.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,521,639 km

• M1: 125,812 km (0.107 R)
• M2: 487,390 km (0.026 R)
• M3: 925,712 km (0.104 R)
• M4: 1,303,147 km (0.088 R)
• M5: 1,745,658 km (0.083 R)
• M6: 2,403,589 km (0.094 R)
• M7: 2,901,750 km (0.103 R)
• M8: 3,307,160 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 8.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,521,639 km

• M1: 110,702 km (0.072 R)
• M2: 569,220 km (0.086 R)
• M3: 1,003,652 km (0.045 R)
• M4: 2,654,614 km (0.114 R)
• M5: 3,965,989 km (0.052 R)
• M6: 4,316,198 km (0.075 R)
• M7: 5,822,499 km (0.094 R)

Asteroid Belt

Center: 2.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 14.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.92 AU - 3.88 AU

Year: 4048 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 97.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,521,639 km

• M1: 177,872 km (0.063 R)
• M2: 782,696 km (0.032 R)
• M3: 1,280,109 km (0.11 R)
• M4: 1,888,972 km (0.072 R)
• M5: 2,399,251 km (0.102 R)
• M6: 2,912,671 km (0.082 R)
• M7: 3,360,417 km (0.116 R)
• M8: 5,016,765 km (0.085 R)
• M9: 5,470,944 km (0.098 R)
• M10: 6,493,894 km (0.087 R)
• M11: 7,956,363 km (0.025 R)
• M12: 8,465,145 km (0.108 R)
• M13: 9,467,900 km (0.107 R)
• M14: 10,634,763 km (0.118 R)
• M15: 14,821,259 km (0.09 R)
• M16: 16,451,128 km (0.091 R)
• M17: 17,642,825 km (0.067 R)
• M18: 18,135,301 km (0.103 R)
• M19: 22,269,887 km (0.085 R)
• M20: 25,481,753 km (0.071 R)
• M21: 26,032,423 km (0.033 R)
• M22: 27,649,576 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.3

Radius: 14.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.24 AU - 5.8 AU

Year: 8374 Days

Day: 6.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,521,639 km

• M1: 180,415 km (0.12 R)
• M2: 885,021 km (0.069 R)
• M3: 1,341,444 km (0.091 R)
• M4: 2,932,567 km (0.11 R)
• M5: 3,793,802 km (0.057 R)
• M6: 4,448,442 km (0.105 R)
• M7: 4,995,821 km (0.083 R)
• M8: 6,839,465 km (0.038 R)
• M9: 10,628,779 km (0.111 R)
• M10: 11,139,057 km (0.093 R)
• M11: 12,431,433 km (0.094 R)
• M12: 13,171,943 km (0.107 R)
• M13: 18,687,317 km (0.092 R)
• M14: 20,744,737 km (0.059 R)
• M15: 25,759,257 km (0.105 R)
• M16: 26,218,224 km (0.076 R)
• M17: 31,009,694 km (0.052 R)
• M18: 31,843,852 km (0.11 R)
• M19: 33,339,531 km (0.11 R)
• M20: 33,994,620 km (0.118 R)
• M21: 36,355,574 km (0.055 R)
• M22: 37,049,708 km (0.081 R)
• M23: 37,752,668 km (0.088 R)
• M24: 38,464,605 km (0.034 R)
• M25: 39,670,962 km (0.089 R)
• M26: 41,653,433 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.3

Radius: 5.7

Gravity: 24.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.57 AU - 11.71 AU

Year: 19326 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,521,639 km

• M1: 71,059 km (0.12 R)
• M2: 255,513 km (0.106 R)
• M3: 797,357 km (0.05 R)
• M4: 1,530,835 km (0.107 R)
• M5: 1,944,922 km (0.079 R)
• M6: 2,210,309 km (0.057 R)
• M7: 2,476,593 km (0.115 R)
• M8: 2,813,936 km (0.087 R)
• M9: 3,236,700 km (0.078 R)
• M10: 3,980,500 km (0.036 R)
• M11: 4,905,763 km (0.056 R)
• M12: 5,718,678 km (0.078 R)
• M13: 6,439,740 km (0.082 R)
• M14: 7,219,743 km (0.044 R)
• M15: 7,706,983 km (0.087 R)
• M16: 9,701,721 km (0.038 R)
• M17: 9,995,382 km (0.077 R)
• M18: 12,355,587 km (0.094 R)
• M19: 13,701,071 km (0.117 R)
• M20: 15,377,614 km (0.093 R)
• M21: 16,183,049 km (0.101 R)
• M22: 21,417,179 km (0.094 R)
• M23: 24,413,325 km (0.1 R)
• M24: 25,066,170 km (0.052 R)
• M25: 26,293,471 km (0.093 R)
• M26: 27,677,401 km (0.109 R)
• M27: 33,299,888 km (0.11 R)
• M28: 38,311,117 km (0.05 R)
• M29: 38,603,431 km (0.084 R)
• M30: 46,735,272 km (0.077 R)
• M31: 48,249,502 km (0.053 R)
• M32: 55,376,195 km (0.115 R)
• M33: 55,749,890 km (0.115 R)
• M34: 59,972,141 km (0.103 R)
• M35: 61,358,913 km (0.116 R)
• M36: 64,608,927 km (0.083 R)
• M37: 75,043,977 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 17,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit