🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.39 AU - 0.65 AU

Year: 242 Days

Day: 47.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,156,930 km

• M1: 470,934 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.62 AU - 0.7 AU

Year: 346 Days

Day: 34.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 20.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,156,930 km

• M1: 43,982 km (0.117 R)

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.8 AU - 2.34 AU

Year: 1923 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,156,930 km

• M1: 154,235 km (0.082 R)
• M2: 559,496 km (0.116 R)
• M3: 1,183,768 km (0.063 R)
• M4: 1,850,226 km (0.109 R)
• M5: 2,871,232 km (0.068 R)
• M6: 4,101,525 km (0.109 R)
• M7: 6,555,827 km (0.066 R)
• M8: 7,004,023 km (0.101 R)
• M9: 7,676,016 km (0.11 R)
• M10: 8,666,504 km (0.076 R)
• M11: 9,323,986 km (0.077 R)
• M12: 10,137,949 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 10.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.2 AU - 5.22 AU

Year: 5577 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,156,930 km

• M1: 130,300 km (0.078 R)
• M2: 480,957 km (0.113 R)
• M3: 1,155,943 km (0.078 R)
• M4: 2,980,139 km (0.099 R)
• M5: 3,713,618 km (0.041 R)
• M6: 5,170,402 km (0.079 R)
• M7: 5,981,671 km (0.108 R)
• M8: 7,044,414 km (0.063 R)
• M9: 7,390,135 km (0.089 R)
• M10: 9,129,060 km (0.071 R)
• M11: 11,405,940 km (0.079 R)
• M12: 13,875,801 km (0.104 R)
• M13: 16,500,496 km (0.069 R)
• M14: 17,738,568 km (0.077 R)
• M15: 18,576,016 km (0.109 R)
• M16: 20,749,374 km (0.107 R)
• M17: 24,397,917 km (0.102 R)
• M18: 26,414,945 km (0.086 R)
• M19: 28,627,946 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 5.2

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.63 AU - 7.23 AU

Year: 11779 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,156,930 km

• M1: 64,776 km (0.115 R)
• M2: 1,803,103 km (0.061 R)
• M3: 2,019,422 km (0.116 R)
• M4: 2,647,733 km (0.11 R)
• M5: 4,252,020 km (0.055 R)
• M6: 4,456,521 km (0.111 R)
• M7: 4,760,055 km (0.109 R)
• M8: 5,077,202 km (0.049 R)
• M9: 6,488,359 km (0.058 R)
• M10: 8,098,032 km (0.104 R)
• M11: 8,971,085 km (0.061 R)
• M12: 9,162,720 km (0.095 R)
• M13: 10,007,350 km (0.097 R)
• M14: 14,164,674 km (0.038 R)
• M15: 18,949,263 km (0.104 R)
• M16: 24,522,681 km (0.069 R)
• M17: 24,709,679 km (0.05 R)
• M18: 33,678,819 km (0.059 R)
• M19: 34,492,033 km (0.107 R)
• M20: 40,554,487 km (0.101 R)
• M21: 47,579,752 km (0.06 R)
• M22: 48,750,505 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 4.5

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.61 AU - 7.95 AU

Year: 12683 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,156,930 km

• M1: 55,950 km (0.086 R)
• M2: 264,190 km (0.104 R)
• M3: 731,384 km (0.073 R)
• M4: 938,727 km (0.118 R)
• M5: 1,487,302 km (0.065 R)
• M6: 2,753,947 km (0.041 R)
• M7: 3,059,576 km (0.056 R)
• M8: 3,284,122 km (0.111 R)
• M9: 3,600,522 km (0.105 R)
• M10: 4,417,775 km (0.066 R)
• M11: 4,770,377 km (0.097 R)
• M12: 5,141,529 km (0.078 R)
• M13: 5,316,559 km (0.081 R)
• M14: 6,134,111 km (0.044 R)
• M15: 6,613,722 km (0.082 R)
• M16: 7,379,364 km (0.076 R)
• M17: 8,014,556 km (0.117 R)
• M18: 9,497,071 km (0.106 R)
• M19: 11,685,389 km (0.072 R)
• M20: 12,800,043 km (0.1 R)
• M21: 13,781,704 km (0.069 R)
• M22: 14,256,378 km (0.049 R)
• M23: 16,115,879 km (0.12 R)
• M24: 19,282,418 km (0.109 R)
• M25: 20,220,845 km (0.111 R)
• M26: 22,466,010 km (0.048 R)
• M27: 26,085,680 km (0.11 R)
• M28: 28,739,845 km (0.088 R)
• M29: 29,850,011 km (0.1 R)
• M30: 30,075,455 km (0.059 R)
• M31: 40,052,885 km (0.075 R)
• M32: 50,096,737 km (0.082 R)
• M33: 56,379,398 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.3

Radius: 7.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.72 AU - 8.82 AU

Year: 15356 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,156,930 km

• M1: 115,041 km (0.109 R)
• M2: 424,260 km (0.096 R)
• M3: 678,726 km (0.117 R)
• M4: 1,121,236 km (0.073 R)
• M5: 2,155,705 km (0.055 R)
• M6: 2,522,968 km (0.081 R)
• M7: 3,015,145 km (0.092 R)
• M8: 3,684,446 km (0.101 R)
• M9: 4,023,584 km (0.096 R)
• M10: 5,593,464 km (0.111 R)
• M11: 6,178,990 km (0.091 R)
• M12: 16,989,531 km (0.081 R)
• M13: 18,558,065 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.9

Radius: 6.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.37 AU - 11.09 AU

Year: 18106 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,156,930 km

• M1: 85,869 km (0.099 R)
• M2: 343,477 km (0.053 R)
• M3: 618,886 km (0.12 R)
• M4: 864,227 km (0.109 R)
• M5: 1,463,217 km (0.102 R)
• M6: 1,766,601 km (0.096 R)
• M7: 2,129,226 km (0.049 R)
• M8: 3,546,517 km (0.095 R)
• M9: 4,734,473 km (0.104 R)
• M10: 5,076,753 km (0.096 R)
• M11: 6,094,767 km (0.116 R)
• M12: 7,283,023 km (0.057 R)
• M13: 8,083,671 km (0.099 R)
• M14: 8,664,260 km (0.101 R)
• M15: 9,416,588 km (0.097 R)
• M16: 12,746,487 km (0.115 R)
• M17: 14,032,131 km (0.102 R)
• M18: 14,350,475 km (0.088 R)
• M19: 17,583,435 km (0.059 R)
• M20: 18,633,013 km (0.1 R)
• M21: 21,104,669 km (0.118 R)
• M22: 23,162,238 km (0.072 R)
• M23: 26,687,811 km (0.059 R)
• M24: 30,661,729 km (0.104 R)
• M25: 35,129,619 km (0.057 R)
• M26: 39,002,110 km (0.085 R)
• M27: 40,140,549 km (0.1 R)
• M28: 44,641,052 km (0.077 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: 386 - 10,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit