🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 13

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.79 AU - 0.89 AU

Year: 505 Days

Day: 6.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,716,621 km

• M1: 163,959 km (0.077 R)
• M2: 609,911 km (0.089 R)
• M3: 1,034,619 km (0.118 R)
• M4: 1,478,476 km (0.025 R)
• M5: 2,329,089 km (0.118 R)
• M6: 2,771,600 km (0.084 R)
• M7: 3,332,442 km (0.077 R)
• M8: 3,747,875 km (0.075 R)
• M9: 4,528,328 km (0.05 R)
• M10: 5,023,796 km (0.103 R)
• M11: 5,662,429 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 13.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.89 AU - 1.01 AU

Year: 607 Days

Day: 13.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,716,621 km

• M1: 173,982 km (0.098 R)
• M2: 765,343 km (0.054 R)
• M3: 1,205,011 km (0.05 R)
• M4: 2,433,509 km (0.063 R)
• M5: 3,608,899 km (0.11 R)
• M6: 4,795,659 km (0.118 R)
• M7: 5,543,499 km (0.111 R)
• M8: 6,051,982 km (0.115 R)
• M9: 6,736,542 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 12.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.83 AU - 1.29 AU

Year: 716 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,716,621 km

• M1: 154,235 km (0.057 R)
• M2: 554,111 km (0.111 R)
• M3: 974,630 km (0.045 R)
• M4: 1,363,136 km (0.063 R)
• M5: 1,754,783 km (0.103 R)
• M6: 2,241,425 km (0.092 R)
• M7: 2,884,097 km (0.085 R)
• M8: 3,304,617 km (0.06 R)
• M9: 3,847,208 km (0.112 R)
• M10: 4,241,698 km (0.064 R)
• M11: 5,079,596 km (0.106 R)
• M12: 6,598,762 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 10.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.94 AU - 2.72 AU

Year: 2333 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,716,621 km

• M1: 125,662 km (0.109 R)
• M2: 476,768 km (0.119 R)
• M3: 847,023 km (0.077 R)
• M4: 1,162,375 km (0.067 R)
• M5: 1,558,211 km (0.039 R)
• M6: 2,531,794 km (0.084 R)
• M7: 3,414,571 km (0.08 R)
• M8: 4,144,908 km (0.106 R)
• M9: 5,303,095 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.3

Radius: 14.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.01 AU - 3.17 AU

Year: 2734 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,716,621 km

• M1: 177,273 km (0.073 R)
• M2: 903,422 km (0.031 R)
• M3: 1,410,708 km (0.118 R)
• M4: 2,249,952 km (0.103 R)
• M5: 2,811,542 km (0.026 R)
• M6: 3,308,955 km (0.111 R)
• M7: 4,076,392 km (0.04 R)
• M8: 4,757,511 km (0.106 R)
• M9: 5,295,914 km (0.117 R)
• M10: 6,014,582 km (0.077 R)
• M11: 6,746,565 km (0.117 R)
• M12: 7,455,509 km (0.099 R)
• M13: 8,155,926 km (0.117 R)
• M14: 8,777,805 km (0.062 R)
• M15: 10,661,391 km (0.046 R)
• M16: 11,189,622 km (0.088 R)
• M17: 11,921,155 km (0.044 R)
• M18: 12,684,403 km (0.095 R)
• M19: 13,358,491 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63

Radius: 5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.03 AU - 8.57 AU

Year: 14291 Days

Day: 22.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,716,621 km

• M1: 62,682 km (0.072 R)
• M2: 232,774 km (0.096 R)
• M3: 709,692 km (0.067 R)
• M4: 1,246,599 km (0.111 R)
• M5: 1,868,178 km (0.086 R)
• M6: 2,209,561 km (0.095 R)
• M7: 2,887,538 km (0.084 R)
• M8: 3,384,053 km (0.066 R)
• M9: 4,520,249 km (0.091 R)
• M10: 6,007,701 km (0.084 R)
• M11: 6,716,795 km (0.081 R)
• M12: 16,763,638 km (0.119 R)
• M13: 17,120,579 km (0.111 R)
• M14: 19,631,579 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233

Radius: 6.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.68 AU - 10.12 AU

Year: 15971 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,716,621 km

• M1: 87,964 km (0.049 R)
• M2: 282,142 km (0.105 R)
• M3: 511,924 km (0.1 R)
• M4: 1,572,573 km (0.093 R)
• M5: 1,855,163 km (0.057 R)
• M6: 2,050,688 km (0.097 R)
• M7: 2,763,671 km (0.065 R)
• M8: 3,782,283 km (0.099 R)
• M9: 4,180,812 km (0.054 R)
• M10: 8,135,132 km (0.085 R)
• M11: 8,352,498 km (0.12 R)
• M12: 11,059,920 km (0.118 R)
• M13: 12,668,845 km (0.084 R)
• M14: 13,865,329 km (0.098 R)
• M15: 15,531,101 km (0.098 R)
• M16: 16,411,934 km (0.094 R)
• M17: 18,721,725 km (0.097 R)
• M18: 21,986,249 km (0.106 R)
• M19: 25,611,305 km (0.112 R)
• M20: 30,130,806 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 13,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit