🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 9.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.3 AU - 1.67 AU

Year: 1181 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,752,636 km

• M1: 123,119 km (0.096 R)
• M2: 534,663 km (0.073 R)
• M3: 869,912 km (0.082 R)
• M4: 1,342,940 km (0.087 R)
• M5: 1,679,087 km (0.107 R)
• M6: 2,334,475 km (0.101 R)
• M7: 2,902,647 km (0.107 R)
• M8: 3,487,725 km (0.086 R)
• M9: 4,382,619 km (0.072 R)
• M10: 5,462,865 km (0.114 R)
• M11: 5,949,807 km (0.104 R)
• M12: 7,057,579 km (0.082 R)
• M13: 8,167,445 km (0.091 R)
• M14: 9,024,791 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 10.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.7 AU - 3.08 AU

Year: 3223 Days

Day: 11.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,752,636 km

• M1: 133,292 km (0.102 R)
• M2: 558,299 km (0.113 R)
• M3: 1,344,286 km (0.062 R)
• M4: 2,829,195 km (0.061 R)
• M5: 3,899,717 km (0.086 R)
• M6: 4,527,580 km (0.065 R)
• M7: 4,989,538 km (0.079 R)
• M8: 5,616,802 km (0.057 R)
• M9: 8,395,133 km (0.066 R)
• M10: 13,715,432 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.29 AU - 3.39 AU

Year: 4004 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,752,636 km

• M1: 179,218 km (0.118 R)
• M2: 688,898 km (0.089 R)
• M3: 1,719,029 km (0.091 R)
• M4: 3,202,292 km (0.1 R)
• M5: 5,813,672 km (0.043 R)
• M6: 6,999,535 km (0.085 R)
• M7: 7,550,653 km (0.115 R)
• M8: 9,348,221 km (0.076 R)
• M9: 10,936,652 km (0.113 R)
• M10: 13,563,141 km (0.098 R)
• M11: 15,136,313 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 13.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.52 AU - 4.76 AU

Year: 5526 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,752,636 km

• M1: 166,652 km (0.088 R)
• M2: 593,604 km (0.049 R)
• M3: 1,566,888 km (0.056 R)
• M4: 2,639,954 km (0.106 R)
• M5: 3,499,543 km (0.106 R)
• M6: 4,109,454 km (0.059 R)
• M7: 4,587,867 km (0.117 R)
• M8: 5,629,069 km (0.044 R)
• M9: 9,336,403 km (0.086 R)
• M10: 11,003,821 km (0.101 R)
• M11: 11,508,115 km (0.097 R)
• M12: 12,861,976 km (0.073 R)
• M13: 13,370,310 km (0.091 R)
• M14: 15,826,557 km (0.091 R)
• M15: 17,252,973 km (0.12 R)
• M16: 18,060,652 km (0.041 R)
• M17: 19,023,613 km (0.06 R)
• M18: 20,982,149 km (0.105 R)
• M19: 22,336,159 km (0.12 R)
• M20: 23,596,371 km (0.062 R)
• M21: 26,015,519 km (0.107 R)
• M22: 26,502,310 km (0.112 R)
• M23: 28,083,709 km (0.051 R)
• M24: 28,510,063 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725

Radius: 4.4

Gravity: 37.45 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.35 AU - 8.39 AU

Year: 14483 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,752,636 km

• M1: 66,870 km (0.118 R)
• M2: 367,113 km (0.118 R)
• M3: 824,883 km (0.065 R)
• M4: 1,054,515 km (0.089 R)
• M5: 1,562,699 km (0.06 R)
• M6: 2,756,490 km (0.084 R)
• M7: 4,953,036 km (0.077 R)
• M8: 5,232,934 km (0.078 R)
• M9: 5,785,997 km (0.101 R)
• M10: 8,005,730 km (0.069 R)
• M11: 12,886,061 km (0.11 R)
• M12: 17,133,295 km (0.096 R)
• M13: 20,937,868 km (0.054 R)
• M14: 23,961,839 km (0.11 R)
• M15: 30,741,315 km (0.066 R)
• M16: 44,098,760 km (0.062 R)
• M17: 51,287,087 km (0.117 R)
• M18: 54,299,988 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.9

Radius: 4.6

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.63 AU - 9.41 AU

Year: 14899 Days

Day: 21.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 114.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,752,636 km

• M1: 57,146 km (0.036 R)
• M2: 387,010 km (0.08 R)
• M3: 985,700 km (0.082 R)
• M4: 1,766,751 km (0.113 R)
• M5: 2,695,155 km (0.073 R)
• M6: 3,479,497 km (0.098 R)
• M7: 3,994,862 km (0.055 R)
• M8: 8,062,577 km (0.073 R)
• M9: 9,611,214 km (0.109 R)
• M10: 10,293,381 km (0.031 R)
• M11: 12,533,160 km (0.031 R)
• M12: 12,841,930 km (0.06 R)
• M13: 14,665,827 km (0.115 R)
• M14: 15,997,398 km (0.12 R)
• M15: 18,497,926 km (0.083 R)
• M16: 19,304,259 km (0.06 R)
• M17: 19,633,374 km (0.082 R)
• M18: 22,221,118 km (0.104 R)
• M19: 24,640,415 km (0.098 R)
• M20: 34,968,053 km (0.108 R)
• M21: 44,479,037 km (0.11 R)
• M22: 44,765,218 km (0.086 R)
• M23: 45,486,429 km (0.106 R)
• M24: 46,361,876 km (0.1 R)
• M25: 48,146,429 km (0.107 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: 489 - 13,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit