🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 12.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.77 AU - 1.01 AU

Year: 560 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,374,379 km

• M1: 156,031 km (0.094 R)
• M2: 920,027 km (0.07 R)
• M3: 1,321,099 km (0.098 R)
• M4: 1,718,281 km (0.028 R)
• M5: 2,378,606 km (0.113 R)
• M6: 3,630,142 km (0.034 R)
• M7: 4,033,907 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 9.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.16 AU - 1.4 AU

Year: 966 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,374,379 km

• M1: 120,576 km (0.116 R)
• M2: 437,723 km (0.109 R)
• M3: 856,448 km (0.095 R)
• M4: 1,199,775 km (0.119 R)
• M5: 1,809,536 km (0.104 R)
• M6: 2,204,624 km (0.111 R)
• M7: 3,231,464 km (0.079 R)
• M8: 5,235,327 km (0.107 R)
• M9: 5,784,202 km (0.112 R)
• M10: 6,469,210 km (0.059 R)
• M11: 6,976,048 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 13.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.26 AU - 1.6 AU

Year: 1140 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,374,379 km

• M1: 167,849 km (0.064 R)
• M2: 1,168,958 km (0.073 R)
• M3: 1,685,519 km (0.051 R)
• M4: 2,785,064 km (0.104 R)
• M5: 3,727,680 km (0.077 R)
• M6: 4,589,663 km (0.1 R)
• M7: 5,330,621 km (0.108 R)
• M8: 5,816,964 km (0.091 R)
• M9: 6,286,851 km (0.103 R)
• M10: 6,903,942 km (0.067 R)
• M11: 7,431,424 km (0.093 R)
• M12: 7,958,906 km (0.112 R)
• M13: 8,768,081 km (0.108 R)
• M14: 9,509,189 km (0.094 R)
• M15: 11,458,599 km (0.037 R)
• M16: 12,020,638 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 12.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.6 AU - 1.76 AU

Year: 1452 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,374,379 km

• M1: 150,645 km (0.107 R)
• M2: 584,628 km (0.096 R)
• M3: 989,590 km (0.043 R)
• M4: 1,548,338 km (0.116 R)
• M5: 1,966,165 km (0.109 R)
• M6: 2,969,219 km (0.074 R)
• M7: 3,371,338 km (0.115 R)
• M8: 3,778,393 km (0.116 R)
• M9: 4,548,822 km (0.09 R)
• M10: 5,563,096 km (0.058 R)
• M11: 6,200,981 km (0.098 R)
• M12: 6,652,767 km (0.116 R)
• M13: 7,078,223 km (0.087 R)
• M14: 7,623,059 km (0.109 R)
• M15: 8,547,274 km (0.082 R)
• M16: 9,427,059 km (0.104 R)
• M17: 10,056,567 km (0.109 R)
• M18: 10,460,182 km (0.051 R)
• M19: 10,874,718 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.8

Radius: 13.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.96 AU - 4.7 AU

Year: 4998 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,374,379 km

• M1: 172,187 km (0.096 R)
• M2: 670,797 km (0.116 R)
• M3: 1,095,356 km (0.081 R)
• M4: 2,266,258 km (0.12 R)
• M5: 3,020,979 km (0.102 R)
• M6: 4,525,635 km (0.079 R)
• M7: 5,200,022 km (0.069 R)
• M8: 5,909,565 km (0.094 R)
• M9: 6,852,330 km (0.101 R)
• M10: 7,450,124 km (0.072 R)
• M11: 10,744,568 km (0.075 R)
• M12: 11,455,756 km (0.05 R)
• M13: 12,555,600 km (0.037 R)
• M14: 13,398,883 km (0.077 R)
• M15: 13,944,766 km (0.108 R)
• M16: 14,734,044 km (0.089 R)
• M17: 15,198,396 km (0.084 R)
• M18: 19,203,729 km (0.077 R)
• M19: 21,117,834 km (0.117 R)
• M20: 22,159,035 km (0.066 R)
• M21: 24,505,029 km (0.115 R)
• M22: 24,993,466 km (0.109 R)
• M23: 25,738,164 km (0.078 R)
• M24: 27,272,141 km (0.099 R)
• M25: 29,962,808 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 11.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.39 AU - 4.27 AU

Year: 4998 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,374,379 km

• M1: 140,472 km (0.119 R)
• M2: 538,552 km (0.117 R)
• M3: 1,200,074 km (0.071 R)
• M4: 1,640,041 km (0.041 R)
• M5: 2,015,532 km (0.081 R)
• M6: 3,074,087 km (0.053 R)
• M7: 3,527,219 km (0.08 R)
• M8: 4,047,370 km (0.064 R)
• M9: 4,422,113 km (0.051 R)
• M10: 5,351,565 km (0.118 R)
• M11: 5,862,741 km (0.113 R)
• M12: 6,690,765 km (0.05 R)
• M13: 7,877,973 km (0.107 R)
• M14: 9,810,778 km (0.054 R)
• M15: 10,534,682 km (0.084 R)
• M16: 13,021,747 km (0.112 R)
• M17: 13,583,187 km (0.096 R)
• M18: 17,055,055 km (0.043 R)
• M19: 17,419,774 km (0.061 R)
• M20: 18,038,960 km (0.112 R)
• M21: 18,930,563 km (0.116 R)
• M22: 19,585,204 km (0.079 R)
• M23: 21,218,064 km (0.078 R)
• M24: 23,384,391 km (0.092 R)
• M25: 24,675,421 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 10.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.31 AU - 5.19 AU

Year: 6904 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,374,379 km

• M1: 129,701 km (0.105 R)
• M2: 550,819 km (0.118 R)
• M3: 2,522,818 km (0.089 R)
• M4: 2,963,384 km (0.116 R)
• M5: 3,914,378 km (0.086 R)
• M6: 4,640,825 km (0.107 R)
• M7: 7,286,164 km (0.105 R)
• M8: 9,278,060 km (0.059 R)
• M9: 11,183,937 km (0.082 R)
• M10: 11,825,113 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576

Radius: 4.2

Gravity: 32.65 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.31 AU - 11.49 AU

Year: 22366 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,374,379 km

• M1: 52,359 km (0.077 R)
• M2: 255,513 km (0.073 R)
• M3: 480,957 km (0.105 R)
• M4: 864,376 km (0.12 R)
• M5: 1,804,749 km (0.11 R)
• M6: 2,077,914 km (0.116 R)
• M7: 2,246,062 km (0.106 R)
• M8: 4,129,799 km (0.096 R)
• M9: 5,420,380 km (0.091 R)
• M10: 5,740,070 km (0.059 R)
• M11: 5,904,478 km (0.086 R)
• M12: 7,677,064 km (0.078 R)
• M13: 8,131,392 km (0.096 R)
• M14: 11,826,310 km (0.088 R)
• M15: 12,227,681 km (0.063 R)
• M16: 12,846,717 km (0.03 R)
• M17: 15,453,011 km (0.092 R)
• M18: 15,932,622 km (0.115 R)
• M19: 17,005,538 km (0.076 R)
• M20: 18,480,274 km (0.114 R)
• M21: 20,704,196 km (0.12 R)
• M22: 22,383,282 km (0.096 R)
• M23: 23,100,305 km (0.089 R)
• M24: 24,796,296 km (0.058 R)
• M25: 26,009,535 km (0.093 R)
• M26: 31,131,616 km (0.106 R)
• M27: 31,639,800 km (0.093 R)
• M28: 37,455,716 km (0.08 R)
• M29: 44,745,172 km (0.069 R)
• M30: 46,045,177 km (0.114 R)
• M31: 47,370,315 km (0.07 R)
• M32: 55,671,800 km (0.078 R)
• M33: 56,796,627 km (0.069 R)
• M34: 59,870,265 km (0.098 R)
• M35: 63,255,365 km (0.071 R)
• M36: 65,720,289 km (0.116 R)
• M37: 77,374,412 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 16,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit