🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.4

Radius: 13.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.72 AU - 1.16 AU

Year: 618 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,815,427 km

• M1: 167,849 km (0.094 R)
• M2: 740,360 km (0.118 R)
• M3: 1,226,104 km (0.068 R)
• M4: 1,729,052 km (0.092 R)
• M5: 2,411,069 km (0.117 R)
• M6: 2,879,460 km (0.058 R)
• M7: 3,305,664 km (0.088 R)
• M8: 3,901,812 km (0.116 R)
• M9: 4,698,420 km (0.069 R)
• M10: 5,118,790 km (0.105 R)
• M11: 6,391,569 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 12.8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.07 AU - 1.25 AU

Year: 847 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,815,427 km

• M1: 159,920 km (0.112 R)
• M2: 607,966 km (0.058 R)
• M3: 1,229,545 km (0.117 R)
• M4: 1,665,024 km (0.115 R)
• M5: 2,628,734 km (0.079 R)
• M6: 3,067,205 km (0.109 R)
• M7: 3,887,600 km (0.032 R)
• M8: 5,396,594 km (0.084 R)
• M9: 5,859,749 km (0.097 R)
• M10: 6,283,859 km (0.051 R)
• M11: 6,728,613 km (0.046 R)
• M12: 7,582,368 km (0.096 R)
• M13: 8,061,380 km (0.116 R)
• M14: 8,804,283 km (0.089 R)
• M15: 9,305,586 km (0.115 R)
• M16: 9,767,245 km (0.095 R)
• M17: 10,244,013 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 14.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.42 AU - 2.7 AU

Year: 2778 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,815,427 km

• M1: 180,714 km (0.117 R)
• M2: 744,249 km (0.105 R)
• M3: 1,247,945 km (0.064 R)
• M4: 1,792,332 km (0.1 R)
• M5: 2,335,821 km (0.116 R)
• M6: 3,491,465 km (0.034 R)
• M7: 4,285,530 km (0.113 R)
• M8: 6,377,806 km (0.08 R)
• M9: 7,217,798 km (0.12 R)
• M10: 10,749,505 km (0.068 R)
• M11: 11,721,292 km (0.083 R)
• M12: 13,742,808 km (0.109 R)
• M13: 15,404,841 km (0.078 R)
• M14: 16,095,235 km (0.099 R)
• M15: 16,973,075 km (0.109 R)
• M16: 17,537,807 km (0.084 R)
• M17: 18,290,733 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704

Radius: 3.6

Gravity: 54.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.22 AU - 6.68 AU

Year: 11110 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,815,427 km

• M1: 48,320 km (0.089 R)
• M2: 178,021 km (0.075 R)
• M3: 357,389 km (0.114 R)
• M4: 560,094 km (0.099 R)
• M5: 904,469 km (0.113 R)
• M6: 1,053,917 km (0.103 R)
• M7: 2,443,532 km (0.081 R)
• M8: 3,073,039 km (0.096 R)
• M9: 3,313,294 km (0.113 R)
• M10: 5,566,088 km (0.119 R)
• M11: 6,409,371 km (0.12 R)
• M12: 6,801,467 km (0.109 R)
• M13: 15,777,938 km (0.104 R)
• M14: 17,599,890 km (0.086 R)
• M15: 20,379,568 km (0.059 R)
• M16: 24,177,858 km (0.11 R)
• M17: 27,292,336 km (0.06 R)
• M18: 29,368,755 km (0.045 R)
• M19: 30,228,045 km (0.053 R)
• M20: 33,367,356 km (0.11 R)
• M21: 36,347,944 km (0.093 R)
• M22: 40,284,313 km (0.094 R)
• M23: 41,478,104 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.1

Radius: 7.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.21 AU - 7.41 AU

Year: 12053 Days

Day: 20.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,815,427 km

• M1: 92,152 km (0.053 R)
• M2: 324,328 km (0.037 R)
• M3: 560,693 km (0.087 R)
• M4: 1,297,313 km (0.089 R)
• M5: 1,922,333 km (0.044 R)
• M6: 3,274,548 km (0.077 R)
• M7: 4,230,179 km (0.109 R)
• M8: 6,269,198 km (0.079 R)
• M9: 8,091,599 km (0.089 R)
• M10: 9,733,885 km (0.113 R)
• M11: 12,448,637 km (0.104 R)
• M12: 15,459,594 km (0.089 R)
• M13: 19,780,578 km (0.094 R)
• M14: 23,169,120 km (0.061 R)
• M15: 23,618,213 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475

Radius: 5.9

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.56 AU - 8.14 AU

Year: 12160 Days

Day: 19.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,815,427 km

• M1: 78,688 km (0.068 R)
• M2: 282,441 km (0.07 R)
• M3: 715,826 km (0.079 R)
• M4: 1,299,706 km (0.097 R)
• M5: 2,806,007 km (0.112 R)
• M6: 7,096,773 km (0.097 R)
• M7: 11,575,285 km (0.112 R)
• M8: 12,372,043 km (0.083 R)
• M9: 12,784,036 km (0.118 R)
• M10: 14,915,805 km (0.075 R)
• M11: 16,555,847 km (0.109 R)
• M12: 18,161,780 km (0.096 R)
• M13: 21,764,396 km (0.043 R)
• M14: 23,329,638 km (0.075 R)
• M15: 27,369,978 km (0.053 R)
• M16: 29,921,070 km (0.107 R)
• M17: 42,107,612 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.7

Radius: 3.2

Gravity: 46.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.64 AU - 10.78 AU

Year: 17435 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,815,427 km

• M1: 39,793 km (0.035 R)
• M2: 208,240 km (0.077 R)
• M3: 693,237 km (0.113 R)
• M4: 1,415,944 km (0.052 R)
• M5: 1,536,370 km (0.103 R)
• M6: 1,921,435 km (0.085 R)
• M7: 2,430,367 km (0.033 R)
• M8: 2,537,778 km (0.107 R)
• M9: 3,353,984 km (0.061 R)
• M10: 3,967,036 km (0.083 R)
• M11: 4,085,967 km (0.061 R)
• M12: 6,012,488 km (0.083 R)
• M13: 6,616,115 km (0.096 R)
• M14: 7,756,201 km (0.101 R)
• M15: 8,131,841 km (0.109 R)
• M16: 8,818,046 km (0.111 R)
• M17: 9,648,614 km (0.049 R)
• M18: 10,990,058 km (0.082 R)
• M19: 11,766,321 km (0.109 R)
• M20: 15,310,295 km (0.05 R)
• M21: 18,166,717 km (0.067 R)
• M22: 20,550,409 km (0.111 R)
• M23: 21,177,374 km (0.084 R)
• M24: 23,617,764 km (0.045 R)
• M25: 26,030,777 km (0.069 R)
• M26: 26,764,256 km (0.118 R)
• M27: 36,800,627 km (0.094 R)
• M28: 38,124,419 km (0.053 R)
• M29: 38,258,459 km (0.115 R)
• M30: 38,933,743 km (0.072 R)
• M31: 43,152,703 km (0.097 R)
• M32: 44,475,447 km (0.063 R)
• M33: 48,762,922 km (0.119 R)
• M34: 58,325,517 km (0.104 R)
• M35: 59,399,331 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.4

Radius: 7.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.91 AU - 12.11 AU

Year: 23110 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,815,427 km

• M1: 96,191 km (0.093 R)
• M2: 367,861 km (0.056 R)
• M3: 712,385 km (0.114 R)
• M4: 1,807,441 km (0.113 R)
• M5: 2,602,853 km (0.082 R)
• M6: 5,895,054 km (0.074 R)
• M7: 6,504,515 km (0.082 R)
• M8: 9,049,624 km (0.1 R)
• M9: 11,316,780 km (0.071 R)
• M10: 12,064,619 km (0.037 R)
• M11: 14,650,867 km (0.091 R)
• M12: 19,016,133 km (0.08 R)
• M13: 19,804,365 km (0.089 R)
• M14: 34,000,006 km (0.1 R)
• M15: 43,879,150 km (0.107 R)
• M16: 53,935,268 km (0.1 R)
• M17: 57,118,861 km (0.078 R)
• M18: 58,940,663 km (0.1 R)
• M19: 66,216,805 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 19,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit