🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.1

Radius: 8.7

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.83 AU - 1.23 AU

Year: 709 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,875,916 km

• M1: 108,309 km (0.036 R)
• M2: 422,764 km (0.061 R)
• M3: 715,975 km (0.116 R)
• M4: 1,021,305 km (0.082 R)
• M5: 1,348,625 km (0.085 R)
• M6: 1,703,022 km (0.029 R)
• M7: 1,992,195 km (0.068 R)
• M8: 2,522,370 km (0.03 R)
• M9: 2,888,585 km (0.107 R)
• M10: 3,290,106 km (0.086 R)
• M11: 3,684,596 km (0.116 R)
• M12: 4,384,564 km (0.109 R)
• M13: 5,170,252 km (0.103 R)
• M14: 5,509,690 km (0.103 R)
• M15: 5,823,995 km (0.116 R)
• M16: 7,087,498 km (0.051 R)
• M17: 7,820,378 km (0.108 R)
• M18: 8,786,631 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 10.3

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.73 AU - 3.43 AU

Year: 3666 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,875,916 km

• M1: 128,056 km (0.052 R)
• M2: 652,845 km (0.12 R)
• M3: 1,278,015 km (0.065 R)
• M4: 2,630,679 km (0.08 R)
• M5: 3,550,107 km (0.097 R)
• M6: 4,814,059 km (0.095 R)
• M7: 5,548,735 km (0.112 R)
• M8: 6,013,086 km (0.112 R)
• M9: 6,532,939 km (0.092 R)
• M10: 7,336,579 km (0.104 R)
• M11: 7,930,632 km (0.082 R)
• M12: 8,449,737 km (0.045 R)
• M13: 9,327,726 km (0.071 R)
• M14: 10,025,152 km (0.071 R)
• M15: 12,236,059 km (0.1 R)
• M16: 13,552,370 km (0.068 R)
• M17: 15,169,673 km (0.041 R)
• M18: 15,970,620 km (0.069 R)
• M19: 17,138,830 km (0.09 R)
• M20: 22,866,035 km (0.102 R)
• M21: 23,423,436 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 10

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.85 AU - 4.61 AU

Year: 4886 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,875,916 km

• M1: 124,765 km (0.088 R)
• M2: 703,260 km (0.113 R)
• M3: 1,053,019 km (0.105 R)
• M4: 1,563,148 km (0.109 R)
• M5: 3,591,994 km (0.107 R)
• M6: 3,989,476 km (0.062 R)
• M7: 6,667,727 km (0.102 R)
• M8: 7,521,482 km (0.099 R)
• M9: 8,275,904 km (0.041 R)
• M10: 9,225,102 km (0.115 R)
• M11: 9,669,558 km (0.095 R)
• M12: 12,066,265 km (0.084 R)
• M13: 18,811,483 km (0.062 R)
• M14: 20,509,270 km (0.054 R)
• M15: 20,822,976 km (0.04 R)
• M16: 21,588,618 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.8

Radius: 7.9

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.79 AU - 6.75 AU

Year: 9401 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,875,916 km

• M1: 100,081 km (0.116 R)
• M2: 401,969 km (0.113 R)
• M3: 1,027,737 km (0.088 R)
• M4: 1,526,197 km (0.094 R)
• M5: 2,348,088 km (0.092 R)
• M6: 2,622,151 km (0.107 R)
• M7: 2,897,262 km (0.114 R)
• M8: 4,016,404 km (0.062 R)
• M9: 4,859,238 km (0.098 R)
• M10: 5,400,034 km (0.108 R)
• M11: 5,946,964 km (0.058 R)
• M12: 6,565,701 km (0.099 R)
• M13: 7,001,629 km (0.082 R)
• M14: 8,175,972 km (0.074 R)
• M15: 8,984,549 km (0.093 R)
• M16: 9,845,485 km (0.091 R)
• M17: 10,959,690 km (0.082 R)
• M18: 11,941,949 km (0.1 R)
• M19: 12,263,884 km (0.112 R)
• M20: 13,902,729 km (0.118 R)
• M21: 14,560,959 km (0.069 R)
• M22: 16,927,897 km (0.081 R)
• M23: 17,747,543 km (0.094 R)
• M24: 18,665,177 km (0.116 R)
• M25: 21,607,617 km (0.112 R)
• M26: 29,941,565 km (0.092 R)
• M27: 31,749,754 km (0.12 R)
• M28: 32,264,670 km (0.12 R)
• M29: 38,302,141 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934

Radius: 3

Gravity: 103.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.61 AU - 7.09 AU

Year: 10853 Days

Day: 19 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,875,916 km

• M1: 37,399 km (0.084 R)
• M2: 634,594 km (0.05 R)
• M3: 852,259 km (0.099 R)
• M4: 2,421,840 km (0.105 R)
• M5: 2,611,081 km (0.107 R)
• M6: 3,339,324 km (0.048 R)
• M7: 4,046,622 km (0.103 R)
• M8: 4,497,361 km (0.088 R)
• M9: 4,815,855 km (0.117 R)
• M10: 5,251,932 km (0.095 R)
• M11: 6,163,881 km (0.054 R)
• M12: 6,319,014 km (0.111 R)
• M13: 7,654,923 km (0.117 R)
• M14: 9,018,508 km (0.082 R)
• M15: 9,218,370 km (0.056 R)
• M16: 9,421,225 km (0.081 R)
• M17: 9,627,072 km (0.116 R)
• M18: 10,425,924 km (0.102 R)
• M19: 11,095,973 km (0.114 R)
• M20: 11,441,544 km (0.108 R)
• M21: 16,984,594 km (0.12 R)
• M22: 17,597,946 km (0.076 R)
• M23: 18,225,957 km (0.03 R)
• M24: 20,199,602 km (0.083 R)
• M25: 23,046,300 km (0.116 R)
• M26: 23,797,580 km (0.116 R)
• M27: 25,053,006 km (0.101 R)
• M28: 25,151,292 km (0.115 R)
• M29: 26,760,217 km (0.119 R)
• M30: 27,276,778 km (0.036 R)
• M31: 27,694,755 km (0.094 R)
• M32: 28,436,461 km (0.028 R)
• M33: 37,617,133 km (0.098 R)
• M34: 38,395,640 km (0.074 R)
• M35: 39,583,148 km (0.042 R)
• M36: 41,754,561 km (0.111 R)
• M37: 43,576,214 km (0.093 R)
• M38: 43,861,198 km (0.09 R)
• M39: 44,147,229 km (0.057 R)
• M40: 45,596,533 km (0.112 R)
• M41: 50,290,316 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.2

Radius: 3.6

Gravity: 50.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.2 AU - 10.32 AU

Year: 17585 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,875,916 km

• M1: 45,029 km (0.093 R)
• M2: 904,319 km (0.082 R)
• M3: 1,186,012 km (0.058 R)
• M4: 3,310,002 km (0.106 R)
• M5: 3,531,258 km (0.084 R)
• M6: 4,516,360 km (0.098 R)
• M7: 7,328,800 km (0.089 R)
• M8: 9,835,013 km (0.114 R)
• M9: 10,350,228 km (0.059 R)
• M10: 14,109,473 km (0.114 R)
• M11: 18,088,477 km (0.115 R)
• M12: 19,387,136 km (0.086 R)
• M13: 28,163,594 km (0.115 R)
• M14: 36,489,165 km (0.063 R)
• M15: 40,695,707 km (0.083 R)
• M16: 48,405,233 km (0.071 R)
• M17: 49,888,945 km (0.112 R)
• M18: 52,256,631 km (0.094 R)
• M19: 54,344,867 km (0.072 R)
• M20: 61,323,608 km (0.12 R)
• M21: 61,706,578 km (0.106 R)
• M22: 68,875,907 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 20,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit