🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 9.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 0.99 AU

Year: 560 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,864,661 km

• M1: 121,922 km (0.047 R)
• M2: 566,976 km (0.093 R)
• M3: 1,254,528 km (0.077 R)
• M4: 1,598,304 km (0.089 R)
• M5: 1,952,551 km (0.06 R)
• M6: 2,329,538 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 8

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 599 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,864,661 km

• M1: 99,632 km (0.118 R)
• M2: 368,908 km (0.116 R)
• M3: 668,104 km (0.098 R)
• M4: 962,662 km (0.084 R)
• M5: 1,219,522 km (0.093 R)
• M6: 1,485,956 km (0.055 R)
• M7: 2,255,038 km (0.061 R)
• M8: 2,585,051 km (0.106 R)
• M9: 2,982,832 km (0.106 R)
• M10: 3,381,809 km (0.094 R)
• M11: 3,773,606 km (0.108 R)
• M12: 4,457,119 km (0.027 R)
• M13: 5,578,654 km (0.097 R)
• M14: 5,895,802 km (0.118 R)
• M15: 6,383,940 km (0.088 R)
• M16: 7,597,926 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 12.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.01 AU - 1.35 AU

Year: 869 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,864,661 km

• M1: 160,519 km (0.088 R)
• M2: 578,645 km (0.119 R)
• M3: 1,025,344 km (0.114 R)
• M4: 1,592,469 km (0.102 R)
• M5: 2,192,955 km (0.071 R)
• M6: 2,928,378 km (0.072 R)
• M7: 3,776,299 km (0.117 R)
• M8: 4,567,522 km (0.079 R)
• M9: 5,506,249 km (0.088 R)
• M10: 5,958,483 km (0.079 R)
• M11: 7,319,375 km (0.104 R)
• M12: 8,496,112 km (0.114 R)
• M13: 9,386,518 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 13.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.31 AU - 1.37 AU

Year: 1052 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,864,661 km

• M1: 169,195 km (0.114 R)
• M2: 595,699 km (0.115 R)
• M3: 1,099,993 km (0.104 R)
• M4: 1,577,510 km (0.104 R)
• M5: 2,490,206 km (0.073 R)
• M6: 3,263,328 km (0.11 R)
• M7: 4,106,162 km (0.097 R)
• M8: 4,764,243 km (0.069 R)
• M9: 5,188,353 km (0.076 R)
• M10: 5,828,931 km (0.117 R)
• M11: 6,383,640 km (0.086 R)
• M12: 8,045,972 km (0.083 R)
• M13: 8,482,648 km (0.057 R)
• M14: 9,050,522 km (0.077 R)
• M15: 9,796,267 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 10.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.2 AU - 1.54 AU

Year: 1088 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,864,661 km

• M1: 128,056 km (0.104 R)
• M2: 586,274 km (0.067 R)
• M3: 1,502,262 km (0.069 R)
• M4: 2,319,665 km (0.091 R)
• M5: 2,841,312 km (0.112 R)
• M6: 4,501,699 km (0.104 R)
• M7: 5,396,893 km (0.072 R)
• M8: 5,812,027 km (0.085 R)
• M9: 6,338,462 km (0.075 R)
• M10: 7,360,963 km (0.118 R)
• M11: 7,690,827 km (0.066 R)
• M12: 9,226,748 km (0.048 R)
• M13: 10,697,744 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 11.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.2 AU - 2.32 AU

Year: 2304 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,864,661 km

• M1: 143,016 km (0.083 R)
• M2: 524,939 km (0.11 R)
• M3: 899,682 km (0.096 R)
• M4: 1,308,533 km (0.101 R)
• M5: 1,940,135 km (0.091 R)
• M6: 3,606,057 km (0.093 R)
• M7: 4,567,672 km (0.115 R)
• M8: 5,001,506 km (0.114 R)
• M9: 5,440,276 km (0.085 R)
• M10: 6,024,905 km (0.097 R)
• M11: 6,522,467 km (0.112 R)
• M12: 8,092,497 km (0.067 R)
• M13: 9,699,028 km (0.059 R)
• M14: 10,631,023 km (0.083 R)
• M15: 12,552,907 km (0.081 R)
• M16: 12,914,784 km (0.064 R)
• M17: 13,617,296 km (0.117 R)
• M18: 14,874,217 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.6

Radius: 8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.13 AU - 9.65 AU

Year: 15032 Days

Day: 20.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,864,661 km

• M1: 166,502 km (0.038 R)
• M2: 862,432 km (0.034 R)
• M3: 1,953,748 km (0.071 R)
• M4: 2,525,062 km (0.105 R)
• M5: 4,073,101 km (0.081 R)
• M6: 5,121,633 km (0.11 R)
• M7: 6,002,465 km (0.047 R)
• M8: 7,278,535 km (0.073 R)
• M9: 9,746,451 km (0.11 R)
• M10: 13,857,101 km (0.112 R)
• M11: 15,680,998 km (0.118 R)
• M12: 26,878,698 km (0.099 R)
• M13: 27,705,077 km (0.062 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 20,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit