🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.62 AU - 5.96 AU

Year: 3702 Days

Day: 42 Hours

Environment

Temp: -129 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 11

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.48 AU - 9.16 AU

Year: 9249 Days

Day: 8.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,890,404 km

• M1: 136,732 km (0.025 R)
• M2: 1,078,002 km (0.065 R)
• M3: 1,490,743 km (0.095 R)
• M4: 2,700,990 km (0.098 R)
• M5: 3,477,851 km (0.03 R)
• M6: 3,870,995 km (0.073 R)
• M7: 5,115,798 km (0.032 R)
• M8: 5,688,609 km (0.098 R)
• M9: 6,644,988 km (0.107 R)
• M10: 7,034,690 km (0.073 R)
• M11: 8,875,043 km (0.087 R)
• M12: 10,392,863 km (0.088 R)
• M13: 11,563,915 km (0.076 R)
• M14: 12,025,126 km (0.055 R)
• M15: 13,038,950 km (0.091 R)
• M16: 15,054,632 km (0.057 R)
• M17: 16,231,818 km (0.032 R)
• M18: 17,137,782 km (0.108 R)
• M19: 19,334,777 km (0.028 R)
• M20: 19,766,666 km (0.083 R)
• M21: 21,713,383 km (0.046 R)
• M22: 22,574,169 km (0.096 R)
• M23: 23,784,565 km (0.065 R)
• M24: 24,952,925 km (0.056 R)
• M25: 26,776,523 km (0.116 R)
• M26: 28,040,475 km (0.088 R)
• M27: 30,980,373 km (0.087 R)
• M28: 33,393,237 km (0.092 R)
• M29: 34,119,983 km (0.096 R)
• M30: 34,963,266 km (0.107 R)
• M31: 36,254,446 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 12.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.83 AU - 14.25 AU

Year: 13842 Days

Day: 5 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,890,404 km

• M1: 154,385 km (0.061 R)
• M2: 797,357 km (0.084 R)
• M3: 1,270,684 km (0.115 R)
• M4: 1,915,451 km (0.111 R)
• M5: 2,633,820 km (0.12 R)
• M6: 3,032,050 km (0.093 R)
• M7: 3,805,919 km (0.087 R)
• M8: 4,413,436 km (0.06 R)
• M9: 5,084,832 km (0.093 R)
• M10: 6,759,580 km (0.086 R)
• M11: 7,331,792 km (0.086 R)
• M12: 8,225,938 km (0.089 R)
• M13: 11,531,303 km (0.119 R)
• M14: 13,683,867 km (0.111 R)
• M15: 14,601,201 km (0.082 R)
• M16: 18,262,609 km (0.037 R)
• M17: 21,544,936 km (0.071 R)
• M18: 24,378,319 km (0.106 R)
• M19: 35,391,266 km (0.085 R)
• M20: 36,848,200 km (0.063 R)
• M21: 38,759,911 km (0.091 R)
• M22: 45,044,517 km (0.095 R)
• M23: 47,228,796 km (0.043 R)
• M24: 51,639,240 km (0.049 R)
• M25: 60,145,076 km (0.083 R)
• M26: 62,217,754 km (0.116 R)
• M27: 65,317,273 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.1

Radius: 4.6

Gravity: 43.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 14.37 AU - 17.77 AU

Year: 22747 Days

Day: 23.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,890,404 km

• M1: 57,296 km (0.108 R)
• M2: 262,395 km (0.051 R)
• M3: 482,304 km (0.058 R)
• M4: 3,219,795 km (0.11 R)
• M5: 3,489,071 km (0.116 R)
• M6: 3,708,681 km (0.098 R)
• M7: 5,812,176 km (0.105 R)
• M8: 7,622,909 km (0.091 R)
• M9: 9,778,614 km (0.069 R)
• M10: 10,279,169 km (0.056 R)
• M11: 11,813,445 km (0.12 R)
• M12: 12,525,680 km (0.116 R)
• M13: 13,190,942 km (0.1 R)
• M14: 13,801,750 km (0.047 R)
• M15: 14,997,336 km (0.112 R)
• M16: 15,244,472 km (0.091 R)
• M17: 16,521,290 km (0.101 R)
• M18: 18,332,321 km (0.092 R)
• M19: 18,996,237 km (0.084 R)
• M20: 19,972,363 km (0.113 R)
• M21: 22,236,527 km (0.028 R)
• M22: 23,430,168 km (0.101 R)
• M23: 26,181,871 km (0.113 R)
• M24: 29,269,272 km (0.117 R)
• M25: 30,701,373 km (0.091 R)
• M26: 36,748,418 km (0.062 R)
• M27: 38,413,741 km (0.088 R)
• M28: 38,567,528 km (0.064 R)
• M29: 44,383,444 km (0.067 R)
• M30: 46,096,938 km (0.113 R)
• M31: 48,210,756 km (0.034 R)
• M32: 54,354,890 km (0.066 R)
• M33: 59,548,180 km (0.093 R)
• M34: 62,689,586 km (0.085 R)
• M35: 65,062,358 km (0.093 R)
• M36: 66,381,512 km (0.086 R)
• M37: 71,603,375 km (0.06 R)
• M38: 80,567,130 km (0.078 R)
• M39: 88,629,707 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64

Radius: 7.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 15.54 AU - 21.76 AU

Year: 28439 Days

Day: 20.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,890,404 km

• M1: 93,349 km (0.11 R)
• M2: 426,354 km (0.042 R)
• M3: 867,817 km (0.07 R)
• M4: 2,354,072 km (0.074 R)
• M5: 3,207,079 km (0.06 R)
• M6: 6,078,760 km (0.086 R)
• M7: 6,652,917 km (0.101 R)
• M8: 6,915,311 km (0.066 R)
• M9: 8,203,947 km (0.098 R)
• M10: 9,836,658 km (0.061 R)
• M11: 10,326,292 km (0.069 R)
• M12: 12,448,188 km (0.067 R)
• M13: 12,905,060 km (0.052 R)
• M14: 17,818,902 km (0.037 R)
• M15: 21,818,550 km (0.083 R)
• M16: 23,074,873 km (0.101 R)
• M17: 37,681,908 km (0.075 R)
• M18: 38,878,841 km (0.1 R)
• M19: 42,109,407 km (0.119 R)
• M20: 42,621,780 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.7

Radius: 7.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 15.8 AU - 23.06 AU

Year: 30242 Days

Day: 18.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 176.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,890,404 km

• M1: 92,152 km (0.082 R)
• M2: 525,986 km (0.051 R)
• M3: 750,383 km (0.106 R)
• M4: 1,040,902 km (0.061 R)
• M5: 1,902,735 km (0.081 R)
• M6: 2,156,603 km (0.077 R)
• M7: 2,754,097 km (0.107 R)
• M8: 4,989,239 km (0.104 R)
• M9: 5,678,885 km (0.04 R)
• M10: 7,784,924 km (0.115 R)
• M11: 8,305,524 km (0.087 R)
• M12: 8,895,389 km (0.096 R)
• M13: 10,727,364 km (0.116 R)
• M14: 13,522,152 km (0.081 R)
• M15: 20,907,798 km (0.092 R)
• M16: 26,061,595 km (0.091 R)
• M17: 31,134,309 km (0.089 R)
• M18: 34,936,339 km (0.078 R)
• M19: 36,707,877 km (0.106 R)
• M20: 39,665,576 km (0.102 R)
• M21: 43,986,561 km (0.116 R)
• M22: 46,050,264 km (0.081 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit