🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 10.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.27 AU - 1.65 AU

Year: 1197 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,537,766 km

• M1: 128,056 km (0.073 R)
• M2: 499,058 km (0.104 R)
• M3: 1,138,589 km (0.102 R)
• M4: 1,531,134 km (0.08 R)
• M5: 2,137,903 km (0.049 R)
• M6: 2,585,799 km (0.025 R)
• M7: 3,600,970 km (0.089 R)
• M8: 4,114,540 km (0.085 R)
• M9: 4,527,280 km (0.118 R)
• M10: 5,491,887 km (0.054 R)
• M11: 6,358,059 km (0.111 R)
• M12: 7,154,668 km (0.093 R)
• M13: 7,635,775 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 11.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.38 AU - 1.62 AU

Year: 1246 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,537,766 km

• M1: 142,866 km (0.093 R)
• M2: 500,106 km (0.062 R)
• M3: 1,939,237 km (0.051 R)
• M4: 2,295,280 km (0.114 R)
• M5: 2,775,639 km (0.093 R)
• M6: 3,820,879 km (0.095 R)
• M7: 4,405,807 km (0.061 R)
• M8: 5,777,619 km (0.099 R)
• M9: 6,356,414 km (0.073 R)
• M10: 6,722,031 km (0.119 R)
• M11: 8,855,895 km (0.088 R)
• M12: 10,340,953 km (0.03 R)
• M13: 12,059,384 km (0.092 R)
• M14: 12,812,758 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 9.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.28 AU - 2.84 AU

Year: 2778 Days

Day: 10.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,537,766 km

• M1: 125,513 km (0.094 R)
• M2: 725,250 km (0.11 R)
• M3: 1,462,469 km (0.065 R)
• M4: 1,849,478 km (0.081 R)
• M5: 3,992,917 km (0.081 R)
• M6: 5,614,558 km (0.051 R)
• M7: 6,572,283 km (0.117 R)
• M8: 10,923,487 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 10.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.35 AU - 3.63 AU

Year: 4422 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,537,766 km

• M1: 135,835 km (0.103 R)
• M2: 497,862 km (0.078 R)
• M3: 901,626 km (0.093 R)
• M4: 2,039,917 km (0.063 R)
• M5: 2,473,750 km (0.08 R)
• M6: 3,638,968 km (0.048 R)
• M7: 4,707,995 km (0.118 R)
• M8: 7,885,753 km (0.113 R)
• M9: 8,626,860 km (0.078 R)
• M10: 10,973,901 km (0.078 R)
• M11: 11,409,530 km (0.065 R)
• M12: 11,815,389 km (0.077 R)
• M13: 14,316,815 km (0.093 R)
• M14: 14,741,823 km (0.094 R)
• M15: 15,518,086 km (0.04 R)
• M16: 15,916,316 km (0.116 R)
• M17: 16,372,440 km (0.108 R)
• M18: 17,685,460 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 8.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.84 AU - 5.38 AU

Year: 6713 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,537,766 km

• M1: 102,026 km (0.092 R)
• M2: 422,165 km (0.073 R)
• M3: 1,150,258 km (0.069 R)
• M4: 1,721,572 km (0.108 R)
• M5: 3,380,613 km (0.063 R)
• M6: 3,869,648 km (0.108 R)
• M7: 5,623,234 km (0.066 R)
• M8: 6,017,425 km (0.113 R)
• M9: 7,611,689 km (0.116 R)
• M10: 7,885,154 km (0.105 R)
• M11: 9,083,433 km (0.093 R)
• M12: 9,866,279 km (0.071 R)
• M13: 10,191,654 km (0.113 R)
• M14: 14,312,327 km (0.089 R)
• M15: 16,652,188 km (0.103 R)
• M16: 17,942,769 km (0.065 R)
• M17: 19,425,284 km (0.036 R)
• M18: 21,868,366 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.7

Radius: 4.4

Gravity: 31.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.75 AU - 7.79 AU

Year: 10649 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,537,766 km

• M1: 55,950 km (0.106 R)
• M2: 216,468 km (0.112 R)
• M3: 363,224 km (0.08 R)
• M4: 551,418 km (0.097 R)
• M5: 701,165 km (0.111 R)
• M6: 1,939,237 km (0.1 R)
• M7: 2,254,590 km (0.118 R)
• M8: 2,583,106 km (0.105 R)
• M9: 4,661,021 km (0.112 R)
• M10: 7,604,658 km (0.118 R)
• M11: 8,429,990 km (0.076 R)
• M12: 9,604,632 km (0.101 R)
• M13: 9,802,251 km (0.116 R)
• M14: 10,937,699 km (0.106 R)
• M15: 12,564,875 km (0.104 R)
• M16: 13,161,471 km (0.025 R)
• M17: 15,264,219 km (0.054 R)
• M18: 15,533,345 km (0.045 R)
• M19: 16,998,806 km (0.107 R)
• M20: 17,433,837 km (0.117 R)
• M21: 18,937,744 km (0.114 R)
• M22: 19,326,848 km (0.111 R)
• M23: 21,604,775 km (0.08 R)
• M24: 22,633,410 km (0.067 R)
• M25: 26,394,600 km (0.1 R)
• M26: 28,778,591 km (0.038 R)
• M27: 29,189,387 km (0.085 R)
• M28: 30,658,139 km (0.084 R)
• M29: 31,955,601 km (0.079 R)
• M30: 32,952,521 km (0.094 R)
• M31: 39,625,035 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.5

Radius: 4.9

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.3 AU - 8.82 AU

Year: 14099 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,537,766 km

• M1: 63,429 km (0.119 R)
• M2: 217,515 km (0.102 R)
• M3: 372,798 km (0.118 R)
• M4: 832,961 km (0.108 R)
• M5: 986,299 km (0.078 R)
• M6: 1,495,979 km (0.105 R)
• M7: 1,801,458 km (0.071 R)
• M8: 2,364,544 km (0.092 R)
• M9: 2,556,328 km (0.041 R)
• M10: 4,487,487 km (0.119 R)
• M11: 6,381,845 km (0.11 R)
• M12: 10,231,746 km (0.084 R)
• M13: 11,650,233 km (0.051 R)
• M14: 12,264,033 km (0.08 R)
• M15: 14,486,908 km (0.11 R)
• M16: 17,248,186 km (0.057 R)
• M17: 19,246,514 km (0.051 R)
• M18: 20,340,972 km (0.102 R)
• M19: 21,725,201 km (0.111 R)
• M20: 22,312,971 km (0.094 R)
• M21: 23,084,148 km (0.077 R)
• M22: 23,696,153 km (0.082 R)
• M23: 25,689,844 km (0.041 R)
• M24: 27,890,877 km (0.108 R)
• M25: 32,228,916 km (0.062 R)
• M26: 34,898,939 km (0.117 R)
• M27: 37,114,633 km (0.038 R)
• M28: 41,182,499 km (0.061 R)
• M29: 43,787,147 km (0.059 R)
• M30: 45,129,638 km (0.114 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: 477 - 17,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit