🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.4

Radius: 9.4

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.31 AU - 1.33 AU

Year: 1029 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,771,611 km

• M1: 118,182 km (0.079 R)
• M2: 424,260 km (0.082 R)
• M3: 729,290 km (0.08 R)
• M4: 1,041,949 km (0.095 R)
• M5: 1,554,322 km (0.028 R)
• M6: 1,994,289 km (0.109 R)
• M7: 2,491,852 km (0.1 R)
• M8: 2,841,911 km (0.063 R)
• M9: 4,476,866 km (0.105 R)
• M10: 4,901,425 km (0.057 R)
• M11: 5,413,648 km (0.098 R)
• M12: 7,020,030 km (0.038 R)
• M13: 7,391,032 km (0.116 R)
• M14: 7,775,200 km (0.056 R)
• M15: 8,145,604 km (0.094 R)
• M16: 8,779,899 km (0.118 R)
• M17: 9,716,830 km (0.08 R)
• M18: 10,654,211 km (0.053 R)
• M19: 11,111,831 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.4

Radius: 11.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.25 AU - 2.85 AU

Year: 2762 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,771,611 km

• M1: 144,362 km (0.117 R)
• M2: 532,419 km (0.098 R)
• M3: 915,838 km (0.093 R)
• M4: 1,563,148 km (0.041 R)
• M5: 2,290,792 km (0.099 R)
• M6: 3,147,838 km (0.111 R)
• M7: 3,549,808 km (0.079 R)
• M8: 4,025,679 km (0.119 R)
• M9: 4,990,286 km (0.111 R)
• M10: 5,416,939 km (0.063 R)
• M11: 7,018,683 km (0.113 R)
• M12: 7,992,117 km (0.106 R)
• M13: 9,654,299 km (0.115 R)
• M14: 10,357,109 km (0.093 R)
• M15: 11,576,631 km (0.107 R)
• M16: 12,584,771 km (0.105 R)
• M17: 13,559,551 km (0.12 R)
• M18: 17,802,895 km (0.117 R)
• M19: 18,577,812 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 9.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.59 AU - 2.87 AU

Year: 3059 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,771,611 km

• M1: 119,379 km (0.104 R)
• M2: 640,578 km (0.04 R)
• M3: 1,115,851 km (0.074 R)
• M4: 2,208,214 km (0.077 R)
• M5: 2,541,668 km (0.076 R)
• M6: 4,493,471 km (0.04 R)
• M7: 5,191,944 km (0.094 R)
• M8: 5,543,648 km (0.083 R)
• M9: 6,268,749 km (0.098 R)
• M10: 7,517,443 km (0.109 R)
• M11: 8,858,438 km (0.062 R)
• M12: 9,158,232 km (0.098 R)
• M13: 9,813,620 km (0.053 R)
• M14: 11,217,596 km (0.079 R)
• M15: 12,708,788 km (0.117 R)
• M16: 15,641,804 km (0.055 R)
• M17: 16,477,607 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 8.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.57 AU - 3.53 AU

Year: 3613 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,771,611 km

• M1: 117,434 km (0.093 R)
• M2: 762,201 km (0.078 R)
• M3: 1,141,731 km (0.064 R)
• M4: 3,140,957 km (0.093 R)
• M5: 5,765,203 km (0.047 R)
• M6: 7,655,222 km (0.11 R)
• M7: 8,137,825 km (0.095 R)
• M8: 8,957,920 km (0.066 R)
• M9: 10,370,124 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 11.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.51 AU - 6.15 AU

Year: 8346 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,771,611 km

• M1: 146,756 km (0.087 R)
• M2: 684,111 km (0.053 R)
• M3: 1,982,471 km (0.108 R)
• M4: 2,751,105 km (0.067 R)
• M5: 3,896,426 km (0.051 R)
• M6: 4,960,965 km (0.104 R)
• M7: 5,887,424 km (0.092 R)
• M8: 7,887,697 km (0.066 R)
• M9: 10,167,270 km (0.097 R)
• M10: 11,458,299 km (0.059 R)
• M11: 13,456,328 km (0.113 R)
• M12: 15,493,253 km (0.056 R)
• M13: 16,874,191 km (0.106 R)
• M14: 17,661,225 km (0.033 R)
• M15: 28,186,333 km (0.114 R)
• M16: 30,335,157 km (0.036 R)
• M17: 30,719,773 km (0.106 R)
• M18: 35,379,448 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 4.5

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.2 AU - 7.84 AU

Year: 13987 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,771,611 km

• M1: 55,950 km (0.075 R)
• M2: 322,832 km (0.072 R)
• M3: 525,388 km (0.071 R)
• M4: 1,144,274 km (0.061 R)
• M5: 2,209,860 km (0.077 R)
• M6: 2,657,157 km (0.11 R)
• M7: 4,123,067 km (0.051 R)
• M8: 4,607,016 km (0.113 R)
• M9: 5,027,236 km (0.12 R)
• M10: 5,333,014 km (0.063 R)
• M11: 6,925,633 km (0.104 R)
• M12: 7,347,051 km (0.071 R)
• M13: 8,665,606 km (0.069 R)
• M14: 9,204,607 km (0.117 R)
• M15: 9,355,402 km (0.045 R)
• M16: 10,403,186 km (0.097 R)
• M17: 10,843,452 km (0.1 R)
• M18: 11,068,298 km (0.091 R)
• M19: 11,820,177 km (0.067 R)
• M20: 13,554,315 km (0.086 R)
• M21: 14,961,133 km (0.038 R)
• M22: 16,759,449 km (0.036 R)
• M23: 20,350,397 km (0.043 R)
• M24: 20,951,481 km (0.085 R)
• M25: 23,102,250 km (0.105 R)
• M26: 28,790,709 km (0.058 R)
• M27: 29,657,030 km (0.085 R)
• M28: 34,130,305 km (0.119 R)
• M29: 34,978,077 km (0.07 R)
• M30: 38,640,232 km (0.117 R)
• M31: 45,539,836 km (0.101 R)
• M32: 46,714,777 km (0.104 R)
• M33: 50,986,395 km (0.085 R)
• M34: 52,733,399 km (0.108 R)
• M35: 53,055,184 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.4

Radius: 3.1

Gravity: 44.06 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.33 AU - 10.13 AU

Year: 19019 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,771,611 km

• M1: 39,045 km (0.087 R)
• M2: 1,257,819 km (0.119 R)
• M3: 2,435,902 km (0.077 R)
• M4: 3,928,440 km (0.101 R)
• M5: 4,168,993 km (0.089 R)
• M6: 6,541,915 km (0.053 R)
• M7: 6,751,801 km (0.068 R)
• M8: 7,868,549 km (0.097 R)
• M9: 11,517,241 km (0.108 R)
• M10: 16,925,353 km (0.104 R)
• M11: 20,705,841 km (0.115 R)
• M12: 22,934,999 km (0.103 R)
• M13: 25,012,166 km (0.093 R)
• M14: 32,351,138 km (0.1 R)
• M15: 35,725,767 km (0.091 R)
• M16: 44,645,540 km (0.087 R)
• M17: 53,236,945 km (0.111 R)
• M18: 61,557,429 km (0.118 R)
• M19: 61,929,479 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.9

Radius: 3.4

Gravity: 56.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.73 AU - 10.85 AU

Year: 19205 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,771,611 km

• M1: 44,281 km (0.116 R)
• M2: 282,890 km (0.101 R)
• M3: 525,537 km (0.038 R)
• M4: 881,879 km (0.106 R)
• M5: 1,206,208 km (0.104 R)
• M6: 1,411,157 km (0.112 R)
• M7: 2,493,198 km (0.043 R)
• M8: 2,801,071 km (0.044 R)
• M9: 5,354,108 km (0.071 R)
• M10: 6,893,171 km (0.06 R)
• M11: 7,167,683 km (0.094 R)
• M12: 7,545,118 km (0.059 R)
• M13: 8,035,350 km (0.109 R)
• M14: 8,442,556 km (0.093 R)
• M15: 11,622,259 km (0.101 R)
• M16: 20,762,090 km (0.108 R)
• M17: 36,173,663 km (0.067 R)
• M18: 41,778,497 km (0.066 R)
• M19: 49,100,116 km (0.063 R)
• M20: 57,045,857 km (0.081 R)
• M21: 69,125,137 km (0.071 R)
• M22: 69,971,861 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 19,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit