🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.66 AU - 0.84 AU

Year: 448 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,710,205 km

• M1: 100,081 km (0.086 R)
• M2: 408,253 km (0.097 R)
• M3: 1,112,410 km (0.081 R)
• M4: 2,034,681 km (0.108 R)
• M5: 2,321,011 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 14.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.79 AU - 0.87 AU

Year: 522 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,710,205 km

• M1: 175,329 km (0.053 R)
• M2: 661,671 km (0.112 R)
• M3: 1,123,929 km (0.088 R)
• M4: 4,039,741 km (0.068 R)
• M5: 4,500,802 km (0.034 R)
• M6: 5,088,572 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 14

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.68 AU - 1.14 AU

Year: 599 Days

Day: 8.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,710,205 km

• M1: 174,132 km (0.065 R)
• M2: 688,898 km (0.091 R)
• M3: 1,186,910 km (0.116 R)
• M4: 2,399,251 km (0.108 R)
• M5: 2,976,250 km (0.104 R)
• M6: 3,449,727 km (0.107 R)
• M7: 4,102,123 km (0.118 R)
• M8: 4,868,364 km (0.078 R)
• M9: 5,320,747 km (0.107 R)
• M10: 6,194,997 km (0.116 R)
• M11: 6,748,061 km (0.098 R)
• M12: 7,355,428 km (0.065 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.3

Radius: 14.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.62 AU - 2.72 AU

Year: 3011 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,710,205 km

• M1: 184,753 km (0.098 R)
• M2: 659,128 km (0.087 R)
• M3: 1,462,918 km (0.104 R)
• M4: 2,086,292 km (0.06 R)
• M5: 2,744,971 km (0.087 R)
• M6: 3,306,562 km (0.091 R)
• M7: 3,944,746 km (0.099 R)
• M8: 4,432,735 km (0.108 R)
• M9: 4,923,266 km (0.094 R)
• M10: 5,907,470 km (0.099 R)
• M11: 7,067,452 km (0.097 R)
• M12: 7,843,716 km (0.096 R)
• M13: 9,157,634 km (0.108 R)
• M14: 10,112,068 km (0.069 R)
• M15: 10,613,520 km (0.075 R)
• M16: 11,131,727 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.3

Radius: 7.5

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.53 AU - 10.39 AU

Year: 18513 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,710,205 km

• M1: 93,798 km (0.097 R)
• M2: 352,153 km (0.044 R)
• M3: 621,130 km (0.087 R)
• M4: 1,019,509 km (0.095 R)
• M5: 1,277,865 km (0.059 R)
• M6: 1,532,032 km (0.119 R)
• M7: 1,856,360 km (0.103 R)
• M8: 2,644,292 km (0.118 R)
• M9: 3,139,910 km (0.049 R)
• M10: 4,481,204 km (0.11 R)
• M11: 6,858,015 km (0.12 R)
• M12: 7,268,362 km (0.075 R)
• M13: 8,967,944 km (0.073 R)
• M14: 11,163,292 km (0.103 R)
• M15: 12,518,649 km (0.078 R)
• M16: 17,912,400 km (0.043 R)
• M17: 22,524,353 km (0.079 R)
• M18: 24,361,564 km (0.119 R)
• M19: 24,995,560 km (0.097 R)
• M20: 26,186,359 km (0.112 R)
• M21: 28,563,918 km (0.077 R)
• M22: 32,204,532 km (0.108 R)
• M23: 32,712,267 km (0.106 R)
• M24: 33,096,584 km (0.118 R)
• M25: 33,354,341 km (0.113 R)
• M26: 34,267,337 km (0.082 R)
• M27: 40,685,834 km (0.09 R)
• M28: 41,279,139 km (0.104 R)
• M29: 41,577,886 km (0.066 R)
• M30: 46,235,017 km (0.116 R)
• M31: 49,357,573 km (0.064 R)
• M32: 50,202,203 km (0.067 R)
• M33: 60,906,828 km (0.077 R)
• M34: 68,341,543 km (0.102 R)
• M35: 69,390,374 km (0.037 R)
• M36: 70,449,976 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.3

Radius: 7.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.84 AU - 10.68 AU

Year: 21047 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,710,205 km

• M1: 94,546 km (0.053 R)
• M2: 344,524 km (0.085 R)
• M3: 668,254 km (0.117 R)
• M4: 1,791,734 km (0.111 R)
• M5: 2,207,765 km (0.081 R)
• M6: 3,190,773 km (0.055 R)
• M7: 8,058,089 km (0.049 R)
• M8: 8,424,305 km (0.11 R)
• M9: 10,713,452 km (0.095 R)
• M10: 14,193,098 km (0.117 R)
• M11: 15,963,589 km (0.082 R)
• M12: 21,525,039 km (0.102 R)
• M13: 25,554,159 km (0.051 R)
• M14: 27,152,313 km (0.09 R)
• M15: 29,865,569 km (0.104 R)
• M16: 31,138,498 km (0.111 R)
• M17: 31,537,326 km (0.099 R)
• M18: 33,478,507 km (0.101 R)
• M19: 34,851,816 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 15,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit