🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.5

Radius: 11.8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 6.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,933,809 km

• M1: 146,756 km (0.032 R)
• M2: 560,094 km (0.033 R)
• M3: 960,418 km (0.032 R)
• M4: 1,434,344 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.2

Radius: 10.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.51 AU - 0.67 AU

Year: 313 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,933,809 km

• M1: 135,536 km (0.097 R)
• M2: 487,390 km (0.045 R)
• M3: 1,060,499 km (0.092 R)
• M4: 1,707,211 km (0.059 R)
• M5: 2,061,758 km (0.091 R)
• M6: 2,617,813 km (0.118 R)
• M7: 3,093,983 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 8.3

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.04 AU - 1.16 AU

Year: 796 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,933,809 km

• M1: 103,223 km (0.111 R)
• M2: 405,859 km (0.028 R)
• M3: 895,942 km (0.118 R)
• M4: 1,207,105 km (0.068 R)
• M5: 1,509,443 km (0.084 R)
• M6: 2,217,190 km (0.082 R)
• M7: 2,640,253 km (0.049 R)
• M8: 3,210,071 km (0.075 R)
• M9: 3,589,900 km (0.083 R)
• M10: 4,126,508 km (0.071 R)
• M11: 5,003,151 km (0.118 R)
• M12: 5,915,997 km (0.111 R)
• M13: 6,913,067 km (0.119 R)
• M14: 7,261,181 km (0.107 R)
• M15: 7,694,417 km (0.063 R)
• M16: 7,992,715 km (0.092 R)
• M17: 8,507,033 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 10.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.31 AU - 1.73 AU

Year: 1294 Days

Day: 14.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,933,809 km

• M1: 129,402 km (0.07 R)
• M2: 719,267 km (0.032 R)
• M3: 1,084,734 km (0.097 R)
• M4: 1,514,529 km (0.116 R)
• M5: 2,091,977 km (0.111 R)
• M6: 2,675,259 km (0.078 R)
• M7: 3,314,939 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.4

Radius: 9.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.55 AU - 1.87 AU

Year: 1543 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,933,809 km

• M1: 114,442 km (0.043 R)
• M2: 410,048 km (0.104 R)
• M3: 804,837 km (0.11 R)
• M4: 1,112,111 km (0.106 R)
• M5: 1,459,028 km (0.077 R)
• M6: 1,859,202 km (0.083 R)
• M7: 2,169,468 km (0.091 R)
• M8: 2,597,318 km (0.066 R)
• M9: 2,895,916 km (0.072 R)
• M10: 3,489,071 km (0.088 R)
• M11: 4,898,433 km (0.062 R)
• M12: 6,251,545 km (0.076 R)
• M13: 6,699,890 km (0.109 R)
• M14: 7,290,353 km (0.097 R)
• M15: 7,635,924 km (0.107 R)
• M16: 8,876,838 km (0.084 R)
• M17: 9,854,909 km (0.096 R)
• M18: 10,216,787 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 14.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.61 AU - 3.23 AU

Year: 3444 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,933,809 km

• M1: 186,848 km (0.113 R)
• M2: 818,600 km (0.091 R)
• M3: 1,389,315 km (0.094 R)
• M4: 1,951,504 km (0.1 R)
• M5: 3,815,942 km (0.101 R)
• M6: 4,669,997 km (0.095 R)
• M7: 5,447,307 km (0.1 R)
• M8: 6,364,641 km (0.056 R)
• M9: 7,693,220 km (0.1 R)
• M10: 8,541,141 km (0.083 R)
• M11: 10,004,208 km (0.113 R)
• M12: 10,895,063 km (0.057 R)
• M13: 12,179,062 km (0.043 R)
• M14: 12,702,355 km (0.104 R)
• M15: 13,561,645 km (0.09 R)
• M16: 14,267,149 km (0.079 R)
• M17: 14,849,085 km (0.108 R)
• M18: 15,396,463 km (0.052 R)
• M19: 17,065,826 km (0.118 R)
• M20: 17,944,414 km (0.102 R)
• M21: 18,565,844 km (0.076 R)
• M22: 19,911,776 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.7

Radius: 3.5

Gravity: 78.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.01 AU - 6.19 AU

Year: 9147 Days

Day: 17.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 22,933,809 km

• M1: 43,982 km (0.071 R)
• M2: 200,611 km (0.089 R)
• M3: 342,878 km (0.102 R)
• M4: 497,862 km (0.097 R)
• M5: 673,938 km (0.094 R)
• M6: 794,963 km (0.076 R)
• M7: 1,037,162 km (0.067 R)
• M8: 1,636,451 km (0.108 R)
• M9: 1,958,386 km (0.098 R)
• M10: 2,498,284 km (0.067 R)
• M11: 2,684,384 km (0.103 R)
• M12: 3,756,851 km (0.081 R)
• M13: 4,141,617 km (0.074 R)
• M14: 4,402,516 km (0.116 R)
• M15: 5,838,207 km (0.102 R)
• M16: 6,391,419 km (0.091 R)
• M17: 7,141,354 km (0.108 R)
• M18: 8,442,107 km (0.12 R)
• M19: 11,900,511 km (0.093 R)
• M20: 14,821,708 km (0.104 R)
• M21: 15,022,917 km (0.08 R)
• M22: 19,600,463 km (0.104 R)
• M23: 22,731,995 km (0.118 R)
• M24: 27,471,255 km (0.079 R)
• M25: 29,326,568 km (0.071 R)
• M26: 32,263,773 km (0.061 R)
• M27: 32,714,810 km (0.087 R)
• M28: 32,942,050 km (0.088 R)
• M29: 39,608,579 km (0.056 R)
• M30: 39,737,383 km (0.086 R)
• M31: 40,516,639 km (0.112 R)
• M32: 43,735,087 km (0.106 R)
• M33: 45,265,473 km (0.053 R)
• M34: 47,264,550 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.5

Radius: 5.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.65 AU - 7.05 AU

Year: 11045 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,933,809 km

• M1: 76,445 km (0.11 R)
• M2: 413,638 km (0.107 R)
• M3: 690,544 km (0.097 R)
• M4: 1,122,283 km (0.108 R)
• M5: 2,020,768 km (0.089 R)
• M6: 2,965,329 km (0.096 R)
• M7: 3,693,123 km (0.037 R)
• M8: 5,574,615 km (0.079 R)
• M9: 5,789,587 km (0.112 R)
• M10: 7,550,653 km (0.097 R)
• M11: 8,605,917 km (0.119 R)
• M12: 11,646,793 km (0.086 R)
• M13: 14,013,730 km (0.079 R)
• M14: 14,261,763 km (0.117 R)
• M15: 16,849,956 km (0.046 R)
• M16: 18,520,665 km (0.095 R)
• M17: 19,611,533 km (0.072 R)
• M18: 22,457,034 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 12,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit