🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.92 AU - 0.92 AU

Year: 609 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,567,960 km

• M1: 150,495 km (0.072 R)
• M2: 776,563 km (0.096 R)
• M3: 1,202,617 km (0.072 R)
• M4: 1,629,270 km (0.101 R)
• M5: 2,273,140 km (0.07 R)
• M6: 2,666,283 km (0.109 R)
• M7: 3,459,451 km (0.086 R)
• M8: 3,883,561 km (0.049 R)
• M9: 4,466,394 km (0.058 R)
• M10: 4,920,424 km (0.103 R)
• M11: 5,387,319 km (0.119 R)
• M12: 6,055,871 km (0.071 R)
• M13: 7,740,194 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.9

Radius: 12.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.85 AU - 1.23 AU

Year: 732 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,567,960 km

• M1: 160,668 km (0.112 R)
• M2: 574,456 km (0.115 R)
• M3: 1,105,678 km (0.045 R)
• M4: 1,538,315 km (0.09 R)
• M5: 2,086,442 km (0.051 R)
• M6: 3,167,286 km (0.075 R)
• M7: 4,379,029 km (0.098 R)
• M8: 4,845,475 km (0.081 R)
• M9: 6,018,023 km (0.078 R)
• M10: 6,725,172 km (0.056 R)
• M11: 7,189,225 km (0.119 R)
• M12: 7,698,306 km (0.096 R)
• M13: 8,231,324 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 12.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.84 AU - 3.44 AU

Year: 3841 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,567,960 km

• M1: 151,692 km (0.103 R)
• M2: 632,649 km (0.053 R)
• M3: 1,166,564 km (0.032 R)
• M4: 1,907,822 km (0.1 R)
• M5: 2,511,599 km (0.115 R)
• M6: 4,255,760 km (0.105 R)
• M7: 4,873,899 km (0.057 R)
• M8: 6,148,472 km (0.12 R)
• M9: 6,728,463 km (0.052 R)
• M10: 8,339,184 km (0.054 R)
• M11: 8,725,745 km (0.118 R)
• M12: 9,957,683 km (0.119 R)
• M13: 11,387,689 km (0.1 R)
• M14: 12,040,684 km (0.065 R)
• M15: 12,489,926 km (0.102 R)
• M16: 13,517,514 km (0.073 R)
• M17: 14,499,923 km (0.117 R)
• M18: 16,387,400 km (0.086 R)
• M19: 17,791,226 km (0.116 R)
• M20: 19,518,184 km (0.059 R)
• M21: 20,201,696 km (0.1 R)
• M22: 22,348,127 km (0.071 R)

Asteroid Belt

Center: 3.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.5

Radius: 9.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.18 AU - 5.08 AU

Year: 5793 Days

Day: 8 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,567,960 km

• M1: 119,379 km (0.11 R)
• M2: 551,268 km (0.046 R)
• M3: 854,952 km (0.1 R)
• M4: 1,168,060 km (0.093 R)
• M5: 1,912,310 km (0.069 R)
• M6: 2,610,632 km (0.079 R)
• M7: 3,679,808 km (0.101 R)
• M8: 4,313,355 km (0.062 R)
• M9: 5,315,063 km (0.071 R)
• M10: 5,797,516 km (0.092 R)
• M11: 7,352,885 km (0.104 R)
• M12: 8,171,784 km (0.118 R)
• M13: 9,573,815 km (0.091 R)
• M14: 10,904,189 km (0.051 R)
• M15: 13,613,257 km (0.111 R)
• M16: 16,326,812 km (0.028 R)
• M17: 17,531,374 km (0.079 R)
• M18: 19,580,417 km (0.045 R)
• M19: 27,504,017 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 13.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.46 AU - 5.6 AU

Year: 8976 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,567,960 km

• M1: 168,597 km (0.115 R)
• M2: 4,787,880 km (0.066 R)
• M3: 5,686,963 km (0.108 R)
• M4: 7,511,309 km (0.101 R)
• M5: 9,261,754 km (0.114 R)
• M6: 11,181,394 km (0.074 R)
• M7: 14,967,865 km (0.093 R)
• M8: 16,304,373 km (0.066 R)
• M9: 17,357,841 km (0.044 R)
• M10: 18,023,701 km (0.103 R)
• M11: 24,653,879 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.3

Radius: 6.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.49 AU - 8.75 AU

Year: 14519 Days

Day: 19.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,567,960 km

• M1: 88,113 km (0.115 R)
• M2: 296,952 km (0.11 R)
• M3: 615,446 km (0.083 R)
• M4: 913,744 km (0.093 R)
• M5: 1,142,030 km (0.051 R)
• M6: 1,984,715 km (0.067 R)
• M7: 3,928,141 km (0.067 R)
• M8: 4,995,073 km (0.028 R)
• M9: 5,412,152 km (0.026 R)
• M10: 7,195,957 km (0.043 R)
• M11: 8,507,930 km (0.062 R)
• M12: 9,725,358 km (0.088 R)
• M13: 10,426,822 km (0.094 R)
• M14: 15,162,492 km (0.11 R)
• M15: 17,956,980 km (0.11 R)
• M16: 19,631,579 km (0.112 R)
• M17: 33,795,057 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672

Radius: 5.5

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.9 AU - 8.96 AU

Year: 18420 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,567,960 km

• M1: 73,303 km (0.102 R)
• M2: 260,450 km (0.076 R)
• M3: 536,009 km (0.109 R)
• M4: 769,083 km (0.094 R)
• M5: 2,077,166 km (0.11 R)
• M6: 4,713,380 km (0.106 R)
• M7: 5,674,098 km (0.117 R)
• M8: 6,326,644 km (0.12 R)
• M9: 7,164,990 km (0.094 R)
• M10: 8,275,904 km (0.115 R)
• M11: 8,531,866 km (0.11 R)
• M12: 11,706,482 km (0.082 R)
• M13: 13,449,447 km (0.112 R)
• M14: 14,382,788 km (0.099 R)
• M15: 15,205,427 km (0.057 R)
• M16: 19,703,984 km (0.102 R)
• M17: 20,252,709 km (0.07 R)
• M18: 22,253,880 km (0.092 R)
• M19: 22,848,980 km (0.097 R)
• M20: 25,767,186 km (0.102 R)
• M21: 26,533,726 km (0.117 R)
• M22: 33,479,255 km (0.104 R)
• M23: 36,129,831 km (0.09 R)
• M24: 37,366,855 km (0.113 R)
• M25: 38,207,147 km (0.066 R)
• M26: 38,916,839 km (0.099 R)
• M27: 40,070,687 km (0.057 R)
• M28: 40,803,268 km (0.109 R)
• M29: 42,749,836 km (0.028 R)
• M30: 47,639,891 km (0.052 R)
• M31: 49,796,793 km (0.094 R)
• M32: 52,539,819 km (0.09 R)
• M33: 57,209,367 km (0.116 R)
• M34: 58,888,005 km (0.093 R)
• M35: 67,776,063 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 18,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit