🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 11.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.21 AU - 1.97 AU

Year: 1384 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,268,787 km

• M1: 147,653 km (0.103 R)
• M2: 761,154 km (0.114 R)
• M3: 1,145,471 km (0.111 R)
• M4: 1,582,147 km (0.102 R)
• M5: 2,220,182 km (0.051 R)
• M6: 2,670,920 km (0.079 R)
• M7: 4,277,153 km (0.061 R)
• M8: 4,881,528 km (0.025 R)
• M9: 5,694,593 km (0.079 R)
• M10: 6,168,668 km (0.093 R)
• M11: 6,547,300 km (0.069 R)
• M12: 7,299,628 km (0.112 R)
• M13: 7,859,872 km (0.099 R)
• M14: 8,448,689 km (0.09 R)
• M15: 9,873,310 km (0.115 R)
• M16: 10,559,216 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.2

Radius: 10.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.49 AU - 2.81 AU

Year: 2978 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,268,787 km

• M1: 127,009 km (0.083 R)
• M2: 457,620 km (0.115 R)
• M3: 789,578 km (0.106 R)
• M4: 1,291,628 km (0.057 R)
• M5: 1,612,067 km (0.074 R)
• M6: 2,188,916 km (0.1 R)
• M7: 4,108,406 km (0.049 R)
• M8: 4,441,860 km (0.098 R)
• M9: 5,234,878 km (0.07 R)
• M10: 5,627,573 km (0.097 R)
• M11: 7,130,433 km (0.103 R)
• M12: 7,552,299 km (0.111 R)
• M13: 8,281,738 km (0.084 R)
• M14: 9,126,966 km (0.088 R)
• M15: 9,880,640 km (0.101 R)
• M16: 10,636,409 km (0.117 R)
• M17: 12,348,556 km (0.098 R)
• M18: 13,315,407 km (0.049 R)
• M19: 14,810,638 km (0.09 R)
• M20: 17,098,438 km (0.107 R)
• M21: 19,321,612 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 11.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.26 AU - 4.08 AU

Year: 4853 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,268,787 km

• M1: 138,079 km (0.071 R)
• M2: 566,826 km (0.091 R)
• M3: 939,175 km (0.095 R)
• M4: 1,670,559 km (0.05 R)
• M5: 2,240,228 km (0.105 R)
• M6: 2,733,003 km (0.1 R)
• M7: 3,430,878 km (0.089 R)
• M8: 6,516,633 km (0.111 R)
• M9: 8,748,483 km (0.105 R)
• M10: 13,107,616 km (0.119 R)
• M11: 13,645,271 km (0.055 R)
• M12: 17,359,786 km (0.12 R)
• M13: 18,673,255 km (0.025 R)
• M14: 23,435,703 km (0.119 R)
• M15: 24,010,309 km (0.085 R)
• M16: 24,447,434 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 9.7

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.82 AU - 4.72 AU

Year: 6091 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,268,787 km

• M1: 131,197 km (0.116 R)
• M2: 462,706 km (0.066 R)
• M3: 800,199 km (0.08 R)
• M4: 1,264,102 km (0.083 R)
• M5: 1,731,446 km (0.118 R)
• M6: 2,211,954 km (0.088 R)
• M7: 2,955,904 km (0.09 R)
• M8: 3,622,662 km (0.102 R)
• M9: 4,682,114 km (0.05 R)
• M10: 5,254,176 km (0.104 R)
• M11: 6,299,118 km (0.065 R)
• M12: 7,105,450 km (0.104 R)
• M13: 8,462,752 km (0.077 R)
• M14: 9,051,419 km (0.069 R)
• M15: 9,622,135 km (0.084 R)
• M16: 9,985,209 km (0.06 R)
• M17: 10,787,203 km (0.114 R)
• M18: 13,507,940 km (0.073 R)
• M19: 13,906,020 km (0.097 R)
• M20: 14,606,886 km (0.104 R)
• M21: 15,087,095 km (0.098 R)
• M22: 21,391,897 km (0.104 R)
• M23: 27,225,167 km (0.118 R)
• M24: 33,620,925 km (0.085 R)
• M25: 35,524,707 km (0.107 R)
• M26: 36,722,837 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 11.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.6 AU - 5.3 AU

Year: 6480 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,268,787 km

• M1: 153,188 km (0.116 R)
• M2: 540,497 km (0.096 R)
• M3: 910,453 km (0.067 R)
• M4: 1,693,747 km (0.067 R)
• M5: 2,824,857 km (0.102 R)
• M6: 3,791,259 km (0.109 R)
• M7: 5,324,936 km (0.031 R)
• M8: 8,349,356 km (0.081 R)
• M9: 8,772,868 km (0.096 R)
• M10: 12,422,607 km (0.096 R)
• M11: 15,797,535 km (0.048 R)
• M12: 18,645,131 km (0.043 R)
• M13: 21,739,263 km (0.091 R)
• M14: 23,366,290 km (0.091 R)
• M15: 30,193,338 km (0.087 R)
• M16: 32,216,051 km (0.105 R)
• M17: 33,260,543 km (0.11 R)
• M18: 34,652,103 km (0.034 R)
• M19: 35,637,953 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.7

Radius: 7.1

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.38 AU - 6.46 AU

Year: 9942 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,268,787 km

• M1: 88,712 km (0.12 R)
• M2: 591,809 km (0.114 R)
• M3: 815,308 km (0.117 R)
• M4: 1,153,549 km (0.12 R)
• M5: 1,892,563 km (0.103 R)
• M6: 3,479,048 km (0.058 R)
• M7: 6,928,625 km (0.119 R)
• M8: 10,283,956 km (0.05 R)
• M9: 11,142,199 km (0.114 R)
• M10: 15,532,597 km (0.075 R)
• M11: 16,160,609 km (0.066 R)
• M12: 16,732,821 km (0.072 R)
• M13: 18,453,346 km (0.118 R)
• M14: 20,124,354 km (0.106 R)
• M15: 21,893,648 km (0.062 R)
• M16: 32,540,529 km (0.036 R)
• M17: 33,567,668 km (0.116 R)
• M18: 36,169,175 km (0.034 R)
• M19: 43,941,532 km (0.11 R)
• M20: 46,330,461 km (0.111 R)
• M21: 49,548,760 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.8

Radius: 3.3

Gravity: 88.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.68 AU - 9.08 AU

Year: 15269 Days

Day: 21.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,268,787 km

• M1: 41,139 km (0.089 R)
• M2: 220,208 km (0.104 R)
• M3: 349,461 km (0.116 R)
• M4: 545,135 km (0.109 R)
• M5: 809,923 km (0.056 R)
• M6: 1,088,474 km (0.044 R)
• M7: 1,396,795 km (0.065 R)
• M8: 1,832,724 km (0.079 R)
• M9: 2,204,325 km (0.119 R)
• M10: 2,331,483 km (0.119 R)
• M11: 3,980,351 km (0.026 R)
• M12: 4,397,579 km (0.04 R)
• M13: 4,843,081 km (0.115 R)
• M14: 5,586,433 km (0.105 R)
• M15: 8,066,916 km (0.096 R)
• M16: 9,105,723 km (0.058 R)
• M17: 9,713,539 km (0.117 R)
• M18: 11,827,058 km (0.036 R)
• M19: 16,448,136 km (0.068 R)
• M20: 17,016,608 km (0.054 R)
• M21: 18,712,898 km (0.092 R)
• M22: 18,976,789 km (0.081 R)
• M23: 25,426,701 km (0.091 R)
• M24: 27,184,327 km (0.102 R)
• M25: 27,863,800 km (0.045 R)
• M26: 29,612,001 km (0.117 R)
• M27: 30,573,616 km (0.082 R)
• M28: 30,817,161 km (0.119 R)
• M29: 34,893,105 km (0.073 R)
• M30: 50,423,907 km (0.094 R)
• M31: 52,313,029 km (0.054 R)
• M32: 55,144,318 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 10,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit