🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.3

Radius: 13.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,351,249 km

• M1: 164,258 km (0.111 R)
• M2: 695,780 km (0.067 R)
• M3: 1,203,664 km (0.077 R)
• M4: 1,787,844 km (0.11 R)
• M5: 2,202,230 km (0.117 R)
• M6: 2,663,889 km (0.112 R)
• M7: 3,231,464 km (0.108 R)
• M8: 3,902,260 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 9.7

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,351,249 km

• M1: 121,174 km (0.064 R)
• M2: 620,981 km (0.088 R)
• M3: 1,291,927 km (0.04 R)
• M4: 1,714,392 km (0.097 R)
• M5: 2,303,658 km (0.103 R)
• M6: 3,435,066 km (0.039 R)
• M7: 4,726,395 km (0.098 R)
• M8: 5,403,924 km (0.102 R)
• M9: 5,721,221 km (0.075 R)
• M10: 6,471,155 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 14.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.35 AU - 2.19 AU

Year: 1597 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,351,249 km

• M1: 184,454 km (0.11 R)
• M2: 819,796 km (0.116 R)
• M3: 1,378,694 km (0.048 R)
• M4: 2,028,398 km (0.092 R)
• M5: 2,533,141 km (0.119 R)
• M6: 3,272,453 km (0.071 R)
• M7: 3,992,618 km (0.111 R)
• M8: 4,620,031 km (0.063 R)
• M9: 5,934,847 km (0.081 R)
• M10: 7,166,935 km (0.073 R)
• M11: 7,732,714 km (0.093 R)
• M12: 8,742,500 km (0.108 R)
• M13: 11,670,279 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.1

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.36 AU - 3.74 AU

Year: 3613 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 17,351,249 km

• M1: 146,008 km (0.053 R)
• M2: 1,393,055 km (0.111 R)
• M3: 2,535,684 km (0.057 R)
• M4: 5,878,299 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 8

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.57 AU - 6.01 AU

Year: 8252 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,351,249 km

• M1: 102,774 km (0.115 R)
• M2: 375,640 km (0.05 R)
• M3: 683,363 km (0.115 R)
• M4: 949,348 km (0.09 R)
• M5: 1,659,040 km (0.072 R)
• M6: 1,925,923 km (0.101 R)
• M7: 3,364,606 km (0.081 R)
• M8: 3,846,460 km (0.045 R)
• M9: 4,428,695 km (0.071 R)
• M10: 4,829,019 km (0.076 R)
• M11: 8,468,586 km (0.099 R)
• M12: 11,067,699 km (0.051 R)
• M13: 11,751,960 km (0.05 R)
• M14: 12,632,493 km (0.116 R)
• M15: 14,961,881 km (0.108 R)
• M16: 15,602,460 km (0.117 R)
• M17: 16,665,203 km (0.082 R)
• M18: 17,283,790 km (0.087 R)
• M19: 18,493,738 km (0.108 R)
• M20: 19,082,405 km (0.106 R)
• M21: 21,886,617 km (0.048 R)
• M22: 26,220,767 km (0.109 R)
• M23: 32,242,679 km (0.079 R)
• M24: 32,666,939 km (0.102 R)
• M25: 33,962,307 km (0.101 R)
• M26: 41,329,254 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.8

Radius: 5.7

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.05 AU - 7.07 AU

Year: 10118 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 17,351,249 km

• M1: 70,909 km (0.049 R)
• M2: 292,763 km (0.087 R)
• M3: 505,641 km (0.097 R)
• M4: 1,131,409 km (0.102 R)
• M5: 1,428,061 km (0.077 R)
• M6: 1,720,824 km (0.11 R)
• M7: 1,992,045 km (0.109 R)
• M8: 2,375,315 km (0.109 R)
• M9: 2,675,558 km (0.103 R)
• M10: 3,000,784 km (0.11 R)
• M11: 3,351,890 km (0.103 R)
• M12: 3,965,690 km (0.09 R)
• M13: 5,383,878 km (0.118 R)
• M14: 5,808,736 km (0.058 R)
• M15: 6,158,047 km (0.11 R)
• M16: 6,622,698 km (0.103 R)
• M17: 6,933,562 km (0.11 R)
• M18: 7,326,556 km (0.106 R)
• M19: 7,848,203 km (0.067 R)
• M20: 9,090,913 km (0.099 R)
• M21: 9,781,158 km (0.111 R)
• M22: 11,808,658 km (0.049 R)
• M23: 13,764,201 km (0.058 R)
• M24: 14,384,882 km (0.103 R)
• M25: 15,380,456 km (0.07 R)
• M26: 16,234,062 km (0.047 R)
• M27: 18,915,604 km (0.086 R)
• M28: 23,668,926 km (0.104 R)
• M29: 24,232,761 km (0.042 R)
• M30: 24,640,864 km (0.097 R)
• M31: 25,387,058 km (0.114 R)
• M32: 28,795,197 km (0.112 R)
• M33: 29,069,260 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.4

Radius: 7.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.77 AU - 8.81 AU

Year: 17676 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,351,249 km

• M1: 92,003 km (0.11 R)
• M2: 567,425 km (0.086 R)
• M3: 1,816,118 km (0.041 R)
• M4: 2,185,326 km (0.109 R)
• M5: 2,963,534 km (0.076 R)
• M6: 3,895,080 km (0.107 R)
• M7: 4,366,612 km (0.112 R)
• M8: 7,490,365 km (0.086 R)
• M9: 8,032,957 km (0.1 R)
• M10: 9,332,364 km (0.099 R)
• M11: 13,974,535 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 10,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit