🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.8

Radius: 8.2

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.67 AU - 2.39 AU

Year: 1929 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,393,587 km

• M1: 102,026 km (0.104 R)
• M2: 394,639 km (0.12 R)
• M3: 651,349 km (0.083 R)
• M4: 920,027 km (0.11 R)
• M5: 1,230,742 km (0.096 R)
• M6: 1,511,686 km (0.071 R)
• M7: 1,835,865 km (0.099 R)
• M8: 2,106,039 km (0.101 R)
• M9: 2,569,044 km (0.092 R)
• M10: 3,130,485 km (0.101 R)
• M11: 3,698,059 km (0.098 R)
• M12: 4,496,762 km (0.103 R)
• M13: 4,992,530 km (0.094 R)
• M14: 5,891,164 km (0.11 R)
• M15: 6,326,494 km (0.097 R)
• M16: 7,204,035 km (0.079 R)
• M17: 8,254,212 km (0.056 R)
• M18: 8,997,863 km (0.116 R)
• M19: 10,730,057 km (0.117 R)
• M20: 11,147,435 km (0.112 R)
• M21: 13,443,014 km (0.114 R)
• M22: 16,283,130 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 10.1

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.91 AU - 2.83 AU

Year: 2433 Days

Day: 8.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,393,587 km

• M1: 125,662 km (0.075 R)
• M2: 531,072 km (0.117 R)
• M3: 908,657 km (0.098 R)
• M4: 1,793,080 km (0.096 R)
• M5: 2,179,491 km (0.105 R)
• M6: 3,226,377 km (0.097 R)
• M7: 3,609,797 km (0.108 R)
• M8: 4,994,026 km (0.086 R)
• M9: 6,616,863 km (0.072 R)
• M10: 7,964,441 km (0.106 R)
• M11: 8,703,155 km (0.028 R)
• M12: 9,124,872 km (0.09 R)
• M13: 9,450,097 km (0.096 R)
• M14: 9,858,200 km (0.11 R)
• M15: 10,355,613 km (0.096 R)
• M16: 10,749,505 km (0.11 R)
• M17: 11,442,143 km (0.109 R)
• M18: 12,077,784 km (0.061 R)
• M19: 13,652,451 km (0.114 R)
• M20: 14,319,209 km (0.117 R)
• M21: 14,957,543 km (0.117 R)
• M22: 16,080,874 km (0.1 R)
• M23: 17,259,705 km (0.116 R)
• M24: 17,590,914 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 11.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.13 AU - 3.37 AU

Year: 3041 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,393,587 km

• M1: 147,653 km (0.106 R)
• M2: 620,083 km (0.093 R)
• M3: 1,507,797 km (0.085 R)
• M4: 2,161,240 km (0.089 R)
• M5: 3,114,478 km (0.105 R)
• M6: 4,350,755 km (0.061 R)
• M7: 4,751,528 km (0.117 R)
• M8: 5,152,749 km (0.111 R)
• M9: 6,242,570 km (0.114 R)
• M10: 7,417,511 km (0.079 R)
• M11: 7,861,817 km (0.115 R)
• M12: 10,513,738 km (0.082 R)
• M13: 12,346,761 km (0.091 R)
• M14: 12,926,902 km (0.113 R)
• M15: 13,902,429 km (0.092 R)
• M16: 14,383,835 km (0.118 R)
• M17: 15,584,957 km (0.061 R)
• M18: 16,262,934 km (0.113 R)
• M19: 17,179,071 km (0.113 R)
• M20: 17,677,831 km (0.117 R)
• M21: 19,830,544 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 11.7

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.75 AU - 3.87 AU

Year: 4016 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,393,587 km

• M1: 145,559 km (0.031 R)
• M2: 514,916 km (0.092 R)
• M3: 1,360,593 km (0.058 R)
• M4: 2,132,518 km (0.089 R)
• M5: 2,535,086 km (0.094 R)
• M6: 3,496,102 km (0.094 R)
• M7: 4,994,774 km (0.104 R)
• M8: 6,498,382 km (0.113 R)
• M9: 7,116,969 km (0.116 R)
• M10: 7,845,960 km (0.108 R)
• M11: 8,816,850 km (0.059 R)
• M12: 9,992,240 km (0.102 R)
• M13: 10,639,849 km (0.063 R)
• M14: 11,269,357 km (0.09 R)
• M15: 12,163,204 km (0.08 R)
• M16: 14,414,353 km (0.111 R)
• M17: 15,410,825 km (0.086 R)
• M18: 17,417,530 km (0.095 R)
• M19: 18,165,669 km (0.109 R)
• M20: 18,611,920 km (0.091 R)
• M21: 22,742,616 km (0.115 R)
• M22: 23,561,066 km (0.091 R)
• M23: 24,708,781 km (0.11 R)
• M24: 28,976,509 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 9.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.88 AU - 4.7 AU

Year: 4920 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,393,587 km

• M1: 130,749 km (0.056 R)
• M2: 499,657 km (0.115 R)
• M3: 813,812 km (0.098 R)
• M4: 1,390,363 km (0.102 R)
• M5: 2,183,082 km (0.094 R)
• M6: 2,761,427 km (0.082 R)
• M7: 4,143,861 km (0.088 R)
• M8: 6,487,012 km (0.056 R)
• M9: 8,587,815 km (0.045 R)
• M10: 11,856,080 km (0.056 R)
• M11: 15,483,230 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.3

Radius: 7.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.12 AU - 8.3 AU

Year: 14276 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,393,587 km

• M1: 98,435 km (0.081 R)
• M2: 1,130,212 km (0.112 R)
• M3: 3,665,148 km (0.096 R)
• M4: 4,250,076 km (0.092 R)
• M5: 7,036,785 km (0.056 R)
• M6: 9,971,446 km (0.096 R)
• M7: 10,357,409 km (0.113 R)
• M8: 11,786,966 km (0.1 R)
• M9: 12,829,065 km (0.071 R)
• M10: 13,343,532 km (0.049 R)
• M11: 13,753,131 km (0.099 R)
• M12: 14,110,819 km (0.106 R)
• M13: 14,907,278 km (0.113 R)
• M14: 15,412,171 km (0.117 R)
• M15: 16,927,149 km (0.083 R)
• M16: 17,338,094 km (0.07 R)
• M17: 21,262,944 km (0.117 R)
• M18: 24,940,957 km (0.078 R)
• M19: 25,206,194 km (0.038 R)
• M20: 25,562,835 km (0.109 R)
• M21: 25,832,411 km (0.108 R)
• M22: 28,058,277 km (0.092 R)
• M23: 30,812,973 km (0.102 R)
• M24: 35,386,479 km (0.036 R)
• M25: 37,892,692 km (0.078 R)
• M26: 40,392,921 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.8

Radius: 3.6

Gravity: 26.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.45 AU - 11.87 AU

Year: 20021 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,393,587 km

• M1: 44,879 km (0.063 R)
• M2: 260,899 km (0.08 R)
• M3: 478,564 km (0.109 R)
• M4: 611,706 km (0.071 R)
• M5: 1,167,911 km (0.111 R)
• M6: 3,304,168 km (0.119 R)
• M7: 4,743,150 km (0.119 R)
• M8: 6,310,337 km (0.096 R)
• M9: 8,144,706 km (0.066 R)
• M10: 12,251,018 km (0.104 R)
• M11: 12,821,136 km (0.084 R)
• M12: 14,082,396 km (0.06 R)
• M13: 15,717,051 km (0.114 R)
• M14: 16,618,079 km (0.117 R)
• M15: 20,567,463 km (0.062 R)
• M16: 21,281,195 km (0.115 R)
• M17: 23,137,704 km (0.11 R)
• M18: 29,686,201 km (0.054 R)
• M19: 38,833,064 km (0.079 R)
• M20: 40,612,531 km (0.038 R)
• M21: 41,170,830 km (0.073 R)
• M22: 47,191,097 km (0.105 R)
• M23: 53,270,904 km (0.064 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit