🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 9.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.8 AU - 1 AU

Year: 579 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,229,765 km

• M1: 113,246 km (0.108 R)
• M2: 560,394 km (0.115 R)
• M3: 1,026,391 km (0.101 R)
• M4: 1,553,125 km (0.088 R)
• M5: 1,875,209 km (0.045 R)
• M6: 2,286,903 km (0.097 R)
• M7: 2,851,335 km (0.075 R)
• M8: 3,223,834 km (0.09 R)
• M9: 3,603,813 km (0.112 R)
• M10: 4,026,875 km (0.05 R)
• M11: 4,820,642 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 13.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.13 AU - 2.85 AU

Year: 2665 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,229,765 km

• M1: 173,683 km (0.026 R)
• M2: 617,390 km (0.094 R)
• M3: 1,217,128 km (0.113 R)
• M4: 1,806,394 km (0.061 R)
• M5: 2,347,939 km (0.087 R)
• M6: 3,390,187 km (0.111 R)
• M7: 4,379,029 km (0.073 R)
• M8: 4,825,279 km (0.091 R)
• M9: 5,301,898 km (0.105 R)
• M10: 5,857,953 km (0.116 R)
• M11: 7,590,746 km (0.091 R)
• M12: 8,147,848 km (0.112 R)
• M13: 8,732,028 km (0.065 R)
• M14: 10,654,360 km (0.11 R)
• M15: 11,734,307 km (0.06 R)
• M16: 12,722,701 km (0.114 R)
• M17: 14,242,615 km (0.028 R)

Planet 3 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.4

Radius: 4.8

Gravity: 32.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.63 AU - 10.61 AU

Year: 18680 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,229,765 km

• M1: 61,036 km (0.07 R)
• M2: 239,506 km (0.111 R)
• M3: 556,205 km (0.047 R)
• M4: 1,613,712 km (0.098 R)
• M5: 2,017,178 km (0.097 R)
• M6: 4,290,617 km (0.102 R)
• M7: 4,770,526 km (0.082 R)
• M8: 5,556,215 km (0.06 R)
• M9: 8,637,033 km (0.088 R)
• M10: 13,252,277 km (0.105 R)
• M11: 15,327,947 km (0.068 R)
• M12: 20,485,334 km (0.111 R)
• M13: 20,865,313 km (0.089 R)
• M14: 40,360,608 km (0.115 R)
• M15: 42,016,656 km (0.111 R)
• M16: 45,947,640 km (0.119 R)
• M17: 52,028,494 km (0.107 R)
• M18: 53,988,376 km (0.118 R)
• M19: 55,444,112 km (0.1 R)
• M20: 59,006,187 km (0.035 R)
• M21: 60,550,486 km (0.043 R)
• M22: 63,317,748 km (0.045 R)
• M23: 67,206,245 km (0.112 R)
• M24: 71,685,953 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669

Radius: 3.6

Gravity: 51.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.12 AU - 11.58 AU

Year: 19391 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,229,765 km

• M1: 47,123 km (0.055 R)
• M2: 226,641 km (0.051 R)
• M3: 535,860 km (0.117 R)
• M4: 1,079,349 km (0.096 R)
• M5: 1,435,840 km (0.1 R)
• M6: 1,548,488 km (0.083 R)
• M7: 1,810,284 km (0.065 R)
• M8: 2,289,446 km (0.098 R)
• M9: 2,725,075 km (0.085 R)
• M10: 3,053,293 km (0.11 R)
• M11: 3,638,669 km (0.067 R)
• M12: 4,004,885 km (0.062 R)
• M13: 4,530,871 km (0.047 R)
• M14: 5,520,461 km (0.103 R)
• M15: 7,145,243 km (0.074 R)
• M16: 8,015,753 km (0.085 R)
• M17: 12,954,727 km (0.101 R)
• M18: 14,917,152 km (0.089 R)
• M19: 17,915,841 km (0.074 R)
• M20: 18,437,190 km (0.088 R)
• M21: 20,341,570 km (0.094 R)
• M22: 27,059,861 km (0.054 R)
• M23: 27,976,896 km (0.1 R)
• M24: 33,523,686 km (0.109 R)
• M25: 35,933,259 km (0.109 R)
• M26: 38,169,897 km (0.116 R)
• M27: 39,760,272 km (0.119 R)
• M28: 44,636,863 km (0.054 R)
• M29: 44,954,310 km (0.07 R)
• M30: 45,593,541 km (0.099 R)
• M31: 52,147,275 km (0.085 R)
• M32: 58,919,271 km (0.057 R)
• M33: 69,605,795 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.3

Radius: 8

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.68 AU - 11.6 AU

Year: 23540 Days

Day: 19.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,229,765 km

• M1: 99,483 km (0.047 R)
• M2: 425,905 km (0.114 R)
• M3: 1,913,207 km (0.075 R)
• M4: 3,057,780 km (0.101 R)
• M5: 8,130,046 km (0.104 R)
• M6: 8,403,810 km (0.093 R)
• M7: 10,367,880 km (0.069 R)
• M8: 10,690,114 km (0.049 R)
• M9: 13,743,706 km (0.065 R)
• M10: 14,449,210 km (0.047 R)
• M11: 16,103,463 km (0.046 R)
• M12: 16,887,505 km (0.118 R)
• M13: 18,064,691 km (0.113 R)
• M14: 18,625,982 km (0.08 R)
• M15: 23,876,867 km (0.112 R)
• M16: 25,010,819 km (0.111 R)
• M17: 26,418,386 km (0.113 R)
• M18: 28,501,686 km (0.082 R)
• M19: 30,036,560 km (0.027 R)
• M20: 30,297,758 km (0.075 R)
• M21: 31,760,825 km (0.073 R)
• M22: 32,441,196 km (0.04 R)
• M23: 32,992,464 km (0.089 R)
• M24: 33,270,417 km (0.096 R)
• M25: 33,690,338 km (0.052 R)
• M26: 34,971,195 km (0.07 R)
• M27: 44,859,913 km (0.079 R)
• M28: 48,529,848 km (0.115 R)
• M29: 56,659,595 km (0.071 R)
• M30: 73,400,794 km (0.209 R)
• M31: 79,472,522 km (0.098 R)
• M32: 85,085,285 km (0.044 R)
• M33: 89,599,251 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 12,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit