🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 14.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.38 AU - 2.02 AU

Year: 1530 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 101.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,404,678 km

• M1: 182,958 km (0.035 R)
• M2: 793,168 km (0.11 R)
• M3: 1,365,081 km (0.066 R)
• M4: 2,015,233 km (0.065 R)
• M5: 2,551,541 km (0.071 R)
• M6: 3,168,483 km (0.078 R)
• M7: 3,901,213 km (0.117 R)
• M8: 4,382,619 km (0.075 R)
• M9: 4,964,256 km (0.05 R)
• M10: 5,553,372 km (0.112 R)
• M11: 8,421,762 km (0.074 R)
• M12: 9,962,919 km (0.105 R)
• M13: 10,426,523 km (0.115 R)
• M14: 11,219,392 km (0.105 R)
• M15: 11,831,097 km (0.098 R)
• M16: 12,694,127 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 9.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.42 AU - 3.36 AU

Year: 3391 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,404,678 km

• M1: 119,080 km (0.075 R)
• M2: 482,154 km (0.112 R)
• M3: 1,438,234 km (0.103 R)
• M4: 2,024,957 km (0.039 R)
• M5: 4,065,621 km (0.075 R)
• M6: 4,423,011 km (0.069 R)
• M7: 5,736,779 km (0.082 R)
• M8: 6,789,350 km (0.069 R)
• M9: 7,452,368 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 10.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.76 AU - 3.98 AU

Year: 5255 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,404,678 km

• M1: 134,488 km (0.078 R)
• M2: 768,933 km (0.114 R)
• M3: 1,518,119 km (0.083 R)
• M4: 2,597,169 km (0.089 R)
• M5: 3,053,293 km (0.07 R)
• M6: 4,495,117 km (0.065 R)
• M7: 5,100,988 km (0.092 R)
• M8: 6,804,908 km (0.099 R)
• M9: 7,640,711 km (0.097 R)
• M10: 8,980,510 km (0.063 R)
• M11: 9,899,340 km (0.087 R)
• M12: 10,381,643 km (0.096 R)
• M13: 12,169,637 km (0.071 R)
• M14: 13,719,621 km (0.102 R)
• M15: 14,264,456 km (0.079 R)
• M16: 14,994,195 km (0.03 R)
• M17: 16,346,111 km (0.049 R)
• M18: 18,821,507 km (0.119 R)
• M19: 19,975,056 km (0.119 R)
• M20: 22,874,262 km (0.085 R)
• M21: 24,108,744 km (0.118 R)
• M22: 24,822,475 km (0.039 R)
• M23: 25,305,976 km (0.081 R)
• M24: 28,165,689 km (0.086 R)
• M25: 28,603,711 km (0.044 R)
• M26: 28,957,361 km (0.06 R)
• M27: 29,493,220 km (0.037 R)
• M28: 31,234,240 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 9.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.14 AU - 4.58 AU

Year: 6284 Days

Day: 14.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,404,678 km

• M1: 120,277 km (0.073 R)
• M2: 455,974 km (0.094 R)
• M3: 941,120 km (0.11 R)
• M4: 1,305,989 km (0.063 R)
• M5: 2,202,081 km (0.069 R)
• M6: 2,972,510 km (0.088 R)
• M7: 3,420,256 km (0.069 R)
• M8: 4,765,889 km (0.079 R)
• M9: 7,401,803 km (0.102 R)
• M10: 7,882,312 km (0.116 R)
• M11: 8,502,096 km (0.113 R)
• M12: 12,662,562 km (0.086 R)
• M13: 14,457,288 km (0.092 R)
• M14: 16,601,923 km (0.107 R)
• M15: 17,684,862 km (0.034 R)
• M16: 20,275,149 km (0.052 R)
• M17: 21,960,070 km (0.115 R)
• M18: 23,499,582 km (0.106 R)
• M19: 30,379,887 km (0.087 R)
• M20: 31,900,699 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.3

Radius: 3.5

Gravity: 51.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.65 AU - 6.73 AU

Year: 10630 Days

Day: 23.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,404,678 km

• M1: 43,683 km (0.066 R)
• M2: 154,834 km (0.101 R)
• M3: 298,448 km (0.11 R)
• M4: 572,960 km (0.083 R)
• M5: 874,549 km (0.093 R)
• M6: 1,049,878 km (0.114 R)
• M7: 4,452,930 km (0.067 R)
• M8: 4,722,805 km (0.068 R)
• M9: 7,453,265 km (0.073 R)
• M10: 10,287,696 km (0.069 R)
• M11: 14,991,502 km (0.098 R)
• M12: 15,460,641 km (0.106 R)
• M13: 16,147,744 km (0.068 R)
• M14: 18,867,433 km (0.058 R)
• M15: 20,621,019 km (0.107 R)
• M16: 21,877,193 km (0.12 R)
• M17: 26,820,953 km (0.106 R)
• M18: 29,342,426 km (0.056 R)
• M19: 29,655,235 km (0.033 R)
• M20: 34,501,907 km (0.104 R)
• M21: 34,967,006 km (0.056 R)
• M22: 35,083,992 km (0.112 R)
• M23: 39,978,086 km (0.119 R)
• M24: 42,321,537 km (0.059 R)
• M25: 46,286,928 km (0.073 R)
• M26: 48,431,862 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.4

Radius: 3.2

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.81 AU - 6.85 AU

Year: 12321 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,404,678 km

• M1: 45,627 km (0.097 R)
• M2: 338,241 km (0.029 R)
• M3: 483,800 km (0.108 R)
• M4: 830,268 km (0.089 R)
• M5: 1,410,259 km (0.071 R)
• M6: 1,699,581 km (0.104 R)
• M7: 2,314,728 km (0.085 R)
• M8: 2,594,775 km (0.101 R)
• M9: 2,952,464 km (0.109 R)
• M10: 10,513,589 km (0.101 R)
• M11: 15,535,589 km (0.088 R)
• M12: 20,071,546 km (0.091 R)
• M13: 22,748,451 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 7.2

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.03 AU - 10.73 AU

Year: 23084 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,404,678 km

• M1: 89,609 km (0.106 R)
• M2: 403,465 km (0.116 R)
• M3: 1,623,286 km (0.046 R)
• M4: 1,901,090 km (0.095 R)
• M5: 2,800,921 km (0.09 R)
• M6: 3,287,862 km (0.081 R)
• M7: 4,752,724 km (0.105 R)
• M8: 7,370,238 km (0.046 R)
• M9: 11,740,890 km (0.077 R)
• M10: 18,210,698 km (0.113 R)
• M11: 20,477,256 km (0.09 R)
• M12: 21,373,646 km (0.106 R)
• M13: 22,819,659 km (0.109 R)
• M14: 27,308,942 km (0.096 R)
• M15: 32,353,382 km (0.107 R)
• M16: 38,133,993 km (0.074 R)
• M17: 39,641,491 km (0.109 R)
• M18: 54,281,887 km (0.109 R)
• M19: 55,229,290 km (0.066 R)
• M20: 64,892,116 km (0.072 R)
• M21: 76,329,920 km (0.07 R)
• M22: 80,177,278 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 16,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit