🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 12.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,187,002 km

• M1: 156,779 km (0.075 R)
• M2: 804,089 km (0.091 R)
• M3: 1,231,041 km (0.097 R)
• M4: 1,645,577 km (0.114 R)
• M5: 2,069,387 km (0.059 R)
• M6: 2,666,432 km (0.108 R)
• M7: 3,486,079 km (0.051 R)
• M8: 4,121,272 km (0.104 R)
• M9: 4,708,593 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.9

Radius: 14.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.29 AU - 1.73 AU

Year: 1237 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,187,002 km

• M1: 180,265 km (0.117 R)
• M2: 651,050 km (0.11 R)
• M3: 1,302,997 km (0.06 R)
• M4: 1,993,242 km (0.082 R)
• M5: 3,153,523 km (0.108 R)
• M6: 3,614,135 km (0.098 R)
• M7: 4,249,627 km (0.083 R)
• M8: 4,814,658 km (0.102 R)
• M9: 5,429,804 km (0.038 R)
• M10: 6,616,265 km (0.088 R)
• M11: 7,426,637 km (0.11 R)
• M12: 8,045,224 km (0.102 R)
• M13: 8,564,777 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 8.7

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.87 AU - 4.31 AU

Year: 5516 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,187,002 km

• M1: 108,758 km (0.114 R)
• M2: 391,498 km (0.103 R)
• M3: 1,435,840 km (0.1 R)
• M4: 1,716,785 km (0.119 R)
• M5: 2,004,312 km (0.052 R)
• M6: 2,514,441 km (0.046 R)
• M7: 3,108,793 km (0.085 R)
• M8: 6,321,557 km (0.029 R)
• M9: 7,530,308 km (0.089 R)
• M10: 8,109,850 km (0.117 R)
• M11: 9,846,382 km (0.075 R)
• M12: 10,586,892 km (0.093 R)
• M13: 12,493,816 km (0.115 R)
• M14: 13,250,931 km (0.109 R)
• M15: 13,584,534 km (0.093 R)
• M16: 17,170,993 km (0.086 R)
• M17: 17,567,727 km (0.056 R)
• M18: 20,371,340 km (0.115 R)
• M19: 20,667,095 km (0.095 R)
• M20: 23,298,522 km (0.099 R)
• M21: 25,712,882 km (0.12 R)
• M22: 27,382,245 km (0.112 R)
• M23: 30,067,676 km (0.114 R)
• M24: 33,025,376 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.2

Radius: 3.5

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.13 AU - 7.45 AU

Year: 13126 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 166.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,187,002 km

• M1: 44,281 km (0.115 R)
• M2: 229,184 km (0.092 R)
• M3: 386,860 km (0.114 R)
• M4: 601,383 km (0.095 R)
• M5: 727,943 km (0.118 R)
• M6: 1,119,441 km (0.105 R)
• M7: 1,277,267 km (0.032 R)
• M8: 1,568,683 km (0.102 R)
• M9: 1,766,751 km (0.117 R)
• M10: 2,161,839 km (0.104 R)
• M11: 2,769,954 km (0.081 R)
• M12: 2,974,754 km (0.114 R)
• M13: 3,346,205 km (0.118 R)
• M14: 3,747,875 km (0.091 R)
• M15: 3,897,025 km (0.104 R)
• M16: 4,994,774 km (0.105 R)
• M17: 7,619,169 km (0.067 R)
• M18: 8,607,861 km (0.104 R)
• M19: 11,292,844 km (0.111 R)
• M20: 11,921,604 km (0.073 R)
• M21: 12,136,277 km (0.117 R)
• M22: 12,408,096 km (0.089 R)
• M23: 12,907,903 km (0.077 R)
• M24: 15,229,063 km (0.071 R)
• M25: 15,866,051 km (0.067 R)
• M26: 17,057,299 km (0.093 R)
• M27: 17,883,677 km (0.11 R)
• M28: 18,235,831 km (0.077 R)
• M29: 19,690,521 km (0.067 R)
• M30: 20,522,733 km (0.046 R)
• M31: 22,828,485 km (0.113 R)
• M32: 23,916,062 km (0.057 R)
• M33: 26,193,690 km (0.055 R)
• M34: 29,093,196 km (0.051 R)
• M35: 31,787,004 km (0.053 R)
• M36: 32,407,387 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.1 AU - 9.56 AU

Year: 17497 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,187,002 km

• M1: 100,380 km (0.087 R)
• M2: 394,340 km (0.028 R)
• M3: 1,210,696 km (0.106 R)
• M4: 1,620,444 km (0.11 R)
• M5: 1,972,747 km (0.083 R)
• M6: 2,396,109 km (0.062 R)
• M7: 3,070,048 km (0.074 R)
• M8: 4,625,267 km (0.117 R)
• M9: 5,891,763 km (0.101 R)
• M10: 6,729,361 km (0.031 R)
• M11: 7,286,314 km (0.107 R)
• M12: 8,888,657 km (0.113 R)
• M13: 9,245,597 km (0.06 R)
• M14: 9,825,887 km (0.116 R)
• M15: 10,885,040 km (0.112 R)
• M16: 11,712,765 km (0.085 R)
• M17: 12,455,220 km (0.1 R)
• M18: 15,520,181 km (0.027 R)
• M19: 17,502,801 km (0.099 R)
• M20: 19,054,281 km (0.104 R)
• M21: 19,993,307 km (0.106 R)
• M22: 23,282,365 km (0.08 R)
• M23: 28,096,724 km (0.115 R)
• M24: 29,200,308 km (0.098 R)
• M25: 30,677,886 km (0.11 R)
• M26: 31,025,701 km (0.102 R)
• M27: 31,376,358 km (0.05 R)
• M28: 34,902,380 km (0.078 R)
• M29: 40,187,224 km (0.073 R)
• M30: 42,156,082 km (0.078 R)
• M31: 44,041,164 km (0.112 R)
• M32: 46,285,132 km (0.119 R)
• M33: 47,049,877 km (0.044 R)
• M34: 47,512,583 km (0.114 R)
• M35: 50,032,409 km (0.116 R)
• M36: 50,514,563 km (0.088 R)
• M37: 56,197,936 km (0.039 R)
• M38: 61,187,025 km (0.07 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 16,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit