🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.8

Radius: 12.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.8 AU - 0.94 AU

Year: 560 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,465,737 km

• M1: 158,723 km (0.059 R)
• M2: 680,820 km (0.098 R)
• M3: 1,121,984 km (0.101 R)
• M4: 1,933,852 km (0.103 R)
• M5: 3,389,140 km (0.07 R)
• M6: 4,447,844 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 10.2

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.4 AU - 1.48 AU

Year: 1193 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,465,737 km

• M1: 127,906 km (0.113 R)
• M2: 459,415 km (0.032 R)
• M3: 820,694 km (0.077 R)
• M4: 1,394,402 km (0.118 R)
• M5: 1,874,461 km (0.112 R)
• M6: 2,510,551 km (0.07 R)
• M7: 3,776,299 km (0.087 R)
• M8: 4,568,121 km (0.094 R)
• M9: 4,984,152 km (0.078 R)
• M10: 5,827,585 km (0.103 R)
• M11: 8,253,913 km (0.118 R)
• M12: 10,140,791 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 9.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.36 AU - 2 AU

Year: 1503 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,465,737 km

• M1: 114,592 km (0.036 R)
• M2: 647,460 km (0.104 R)
• M3: 1,003,054 km (0.094 R)
• M4: 1,430,156 km (0.093 R)
• M5: 2,392,818 km (0.06 R)
• M6: 3,282,925 km (0.084 R)
• M7: 3,870,546 km (0.071 R)
• M8: 4,545,531 km (0.12 R)
• M9: 5,031,126 km (0.08 R)
• M10: 6,082,949 km (0.066 R)
• M11: 7,300,825 km (0.102 R)
• M12: 7,776,845 km (0.05 R)
• M13: 8,443,603 km (0.118 R)
• M14: 9,269,084 km (0.115 R)
• M15: 10,474,245 km (0.062 R)
• M16: 12,547,521 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 10.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.92 AU - 2.1 AU

Year: 1967 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,465,737 km

• M1: 126,859 km (0.076 R)
• M2: 456,722 km (0.114 R)
• M3: 1,044,193 km (0.11 R)
• M4: 1,385,127 km (0.1 R)
• M5: 1,751,342 km (0.105 R)
• M6: 2,147,777 km (0.065 R)
• M7: 2,711,013 km (0.064 R)
• M8: 3,323,018 km (0.065 R)
• M9: 4,024,931 km (0.045 R)
• M10: 4,662,966 km (0.11 R)
• M11: 5,520,461 km (0.088 R)
• M12: 5,905,675 km (0.114 R)
• M13: 6,381,696 km (0.086 R)
• M14: 7,768,019 km (0.117 R)
• M15: 8,878,933 km (0.081 R)
• M16: 9,219,418 km (0.055 R)
• M17: 9,536,565 km (0.047 R)
• M18: 12,229,177 km (0.069 R)
• M19: 12,768,029 km (0.106 R)
• M20: 13,122,875 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 9.2

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.03 AU - 2.67 AU

Year: 2487 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,465,737 km

• M1: 114,742 km (0.079 R)
• M2: 405,859 km (0.082 R)
• M3: 700,567 km (0.109 R)
• M4: 1,019,659 km (0.116 R)
• M5: 1,332,169 km (0.099 R)
• M6: 1,894,358 km (0.069 R)
• M7: 2,375,165 km (0.056 R)
• M8: 3,791,109 km (0.108 R)
• M9: 4,172,434 km (0.051 R)
• M10: 6,257,529 km (0.064 R)
• M11: 7,634,279 km (0.061 R)
• M12: 7,951,576 km (0.084 R)
• M13: 8,956,574 km (0.082 R)
• M14: 10,541,713 km (0.06 R)
• M15: 11,545,066 km (0.093 R)
• M16: 11,921,305 km (0.119 R)
• M17: 14,210,900 km (0.106 R)
• M18: 14,985,817 km (0.07 R)
• M19: 16,304,672 km (0.077 R)
• M20: 17,589,418 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 12.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.41 AU - 3.19 AU

Year: 3234 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,465,737 km

• M1: 156,779 km (0.12 R)
• M2: 812,616 km (0.116 R)
• M3: 1,288,187 km (0.07 R)
• M4: 2,683,337 km (0.105 R)
• M5: 3,394,675 km (0.047 R)
• M6: 3,879,671 km (0.095 R)
• M7: 6,011,291 km (0.107 R)
• M8: 7,296,786 km (0.113 R)
• M9: 8,501,647 km (0.062 R)
• M10: 9,209,095 km (0.119 R)
• M11: 9,675,990 km (0.043 R)
• M12: 10,323,001 km (0.073 R)
• M13: 10,955,501 km (0.111 R)
• M14: 12,298,291 km (0.026 R)
• M15: 13,252,726 km (0.106 R)
• M16: 18,472,195 km (0.109 R)
• M17: 19,595,825 km (0.046 R)
• M18: 20,500,892 km (0.036 R)
• M19: 21,501,253 km (0.061 R)
• M20: 23,097,911 km (0.105 R)
• M21: 23,599,214 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.8

Radius: 9.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.94 AU - 4.4 AU

Year: 4853 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,465,737 km

• M1: 123,269 km (0.114 R)
• M2: 496,515 km (0.075 R)
• M3: 2,504,867 km (0.077 R)
• M4: 3,437,011 km (0.091 R)
• M5: 4,357,188 km (0.094 R)
• M6: 4,768,283 km (0.099 R)
• M7: 6,065,446 km (0.108 R)
• M8: 6,880,604 km (0.119 R)
• M9: 8,648,253 km (0.053 R)
• M10: 11,839,175 km (0.095 R)
• M11: 12,848,662 km (0.027 R)
• M12: 13,268,284 km (0.065 R)
• M13: 21,653,095 km (0.12 R)
• M14: 22,473,490 km (0.1 R)
• M15: 23,547,303 km (0.049 R)
• M16: 24,896,826 km (0.104 R)
• M17: 27,489,357 km (0.115 R)
• M18: 28,098,818 km (0.113 R)
• M19: 31,850,733 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 9.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.71 AU - 4.59 AU

Year: 5836 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,465,737 km

• M1: 208,240 km (0.115 R)
• M2: 550,670 km (0.079 R)
• M3: 1,296,116 km (0.062 R)
• M4: 1,684,921 km (0.113 R)
• M5: 2,112,322 km (0.116 R)
• M6: 2,686,329 km (0.094 R)
• M7: 3,152,626 km (0.106 R)
• M8: 3,450,624 km (0.06 R)
• M9: 4,525,336 km (0.1 R)
• M10: 4,952,288 km (0.056 R)
• M11: 6,314,377 km (0.106 R)
• M12: 12,434,874 km (0.059 R)
• M13: 18,158,938 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.9

Radius: 11.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.07 AU - 5.11 AU

Year: 7927 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,465,737 km

• M1: 146,606 km (0.117 R)
• M2: 560,693 km (0.028 R)
• M3: 1,477,279 km (0.042 R)
• M4: 2,526,110 km (0.026 R)
• M5: 2,970,266 km (0.072 R)
• M6: 5,543,798 km (0.059 R)
• M7: 6,062,753 km (0.112 R)
• M8: 6,578,566 km (0.117 R)
• M9: 7,349,743 km (0.094 R)
• M10: 17,358,140 km (0.103 R)
• M11: 21,540,448 km (0.1 R)
• M12: 22,825,494 km (0.086 R)
• M13: 25,902,572 km (0.076 R)
• M14: 27,078,561 km (0.102 R)
• M15: 28,101,362 km (0.067 R)
• M16: 30,421,774 km (0.077 R)
• M17: 32,140,803 km (0.092 R)
• M18: 38,377,539 km (0.031 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.3

Radius: 3.7

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.19 AU - 6.55 AU

Year: 11097 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,465,737 km

• M1: 46,375 km (0.063 R)
• M2: 228,137 km (0.102 R)
• M3: 373,546 km (0.087 R)
• M4: 711,188 km (0.099 R)
• M5: 1,070,822 km (0.098 R)
• M6: 1,566,589 km (0.048 R)
• M7: 2,434,705 km (0.1 R)
• M8: 2,629,631 km (0.106 R)
• M9: 2,951,416 km (0.098 R)
• M10: 3,111,785 km (0.086 R)
• M11: 4,718,018 km (0.101 R)
• M12: 8,049,413 km (0.025 R)
• M13: 8,402,464 km (0.107 R)
• M14: 8,847,966 km (0.056 R)
• M15: 9,223,906 km (0.099 R)
• M16: 10,097,407 km (0.103 R)
• M17: 10,977,043 km (0.053 R)
• M18: 12,261,789 km (0.09 R)
• M19: 12,571,906 km (0.09 R)
• M20: 13,643,475 km (0.086 R)
• M21: 14,088,679 km (0.091 R)
• M22: 14,543,456 km (0.071 R)
• M23: 14,949,315 km (0.093 R)
• M24: 15,602,310 km (0.099 R)
• M25: 17,156,931 km (0.059 R)
• M26: 17,479,763 km (0.087 R)
• M27: 17,675,437 km (0.094 R)
• M28: 20,860,974 km (0.115 R)
• M29: 21,977,274 km (0.087 R)
• M30: 23,289,696 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 18,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit