🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90

Radius: 13.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.2 AU - 1.38 AU

Year: 1030 Days

Day: 9.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,870,864 km

• M1: 168,298 km (0.098 R)
• M2: 716,723 km (0.115 R)
• M3: 2,016,280 km (0.106 R)
• M4: 2,873,326 km (0.1 R)
• M5: 4,272,515 km (0.065 R)
• M6: 4,857,293 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.48 AU - 1.56 AU

Year: 1317 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,870,864 km

• M1: 111,151 km (0.105 R)
• M2: 443,707 km (0.043 R)
• M3: 756,367 km (0.118 R)
• M4: 1,504,207 km (0.08 R)
• M5: 1,813,725 km (0.09 R)
• M6: 2,206,868 km (0.056 R)
• M7: 2,541,219 km (0.11 R)
• M8: 2,835,328 km (0.107 R)
• M9: 3,437,011 km (0.108 R)
• M10: 4,330,260 km (0.059 R)
• M11: 5,601,094 km (0.075 R)
• M12: 6,290,890 km (0.072 R)
• M13: 7,013,447 km (0.086 R)
• M14: 7,430,377 km (0.095 R)
• M15: 8,111,496 km (0.112 R)
• M16: 8,415,927 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 10

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.39 AU - 2.65 AU

Year: 2812 Days

Day: 6.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,870,864 km

• M1: 124,615 km (0.096 R)
• M2: 550,819 km (0.087 R)
• M3: 955,482 km (0.113 R)
• M4: 1,538,016 km (0.078 R)
• M5: 1,922,781 km (0.113 R)
• M6: 2,483,773 km (0.077 R)
• M7: 2,826,652 km (0.029 R)
• M8: 3,184,340 km (0.105 R)
• M9: 3,721,097 km (0.096 R)
• M10: 4,234,218 km (0.102 R)
• M11: 5,377,894 km (0.035 R)
• M12: 5,878,748 km (0.083 R)
• M13: 6,716,346 km (0.117 R)
• M14: 7,178,753 km (0.051 R)
• M15: 7,631,436 km (0.09 R)
• M16: 8,039,240 km (0.108 R)
• M17: 10,994,546 km (0.12 R)
• M18: 11,596,827 km (0.03 R)
• M19: 13,087,869 km (0.078 R)
• M20: 13,400,678 km (0.038 R)
• M21: 17,021,695 km (0.081 R)
• M22: 17,718,970 km (0.106 R)
• M23: 18,379,445 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.9

Radius: 12.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.81 AU - 4.47 AU

Year: 4882 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,870,864 km

• M1: 150,495 km (0.061 R)
• M2: 817,403 km (0.113 R)
• M3: 1,811,032 km (0.089 R)
• M4: 4,620,779 km (0.027 R)
• M5: 8,965,700 km (0.101 R)
• M6: 9,621,387 km (0.055 R)
• M7: 10,051,780 km (0.115 R)
• M8: 12,191,778 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 12.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.15 AU - 6.07 AU

Year: 8120 Days

Day: 12.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,870,864 km

• M1: 160,219 km (0.051 R)
• M2: 594,053 km (0.066 R)
• M3: 994,227 km (0.099 R)
• M4: 1,709,455 km (0.116 R)
• M5: 2,175,602 km (0.077 R)
• M6: 2,707,123 km (0.114 R)
• M7: 3,347,402 km (0.067 R)
• M8: 3,879,522 km (0.085 R)
• M9: 4,638,282 km (0.06 R)
• M10: 5,657,043 km (0.043 R)
• M11: 8,009,021 km (0.108 R)
• M12: 8,965,999 km (0.119 R)
• M13: 9,804,495 km (0.103 R)
• M14: 16,994,468 km (0.058 R)
• M15: 18,278,167 km (0.103 R)
• M16: 19,933,767 km (0.06 R)
• M17: 22,601,546 km (0.111 R)
• M18: 23,196,646 km (0.101 R)
• M19: 23,977,098 km (0.114 R)
• M20: 26,517,569 km (0.118 R)
• M21: 30,143,073 km (0.076 R)
• M22: 32,556,237 km (0.091 R)
• M23: 34,757,120 km (0.068 R)
• M24: 35,664,581 km (0.058 R)
• M25: 36,938,108 km (0.099 R)
• M26: 39,698,637 km (0.102 R)
• M27: 40,815,385 km (0.094 R)
• M28: 41,571,303 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.5

Radius: 4.9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.2 AU - 7.14 AU

Year: 10773 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,870,864 km

• M1: 60,886 km (0.079 R)
• M2: 220,058 km (0.099 R)
• M3: 423,212 km (0.06 R)
• M4: 620,083 km (0.101 R)
• M5: 877,541 km (0.083 R)
• M6: 1,036,414 km (0.065 R)
• M7: 1,355,806 km (0.099 R)
• M8: 2,221,379 km (0.114 R)
• M9: 2,537,479 km (0.117 R)
• M10: 6,045,400 km (0.113 R)
• M11: 7,316,682 km (0.094 R)
• M12: 7,569,054 km (0.099 R)
• M13: 7,977,157 km (0.107 R)
• M14: 9,542,699 km (0.114 R)
• M15: 10,420,240 km (0.025 R)
• M16: 11,590,993 km (0.108 R)
• M17: 11,933,871 km (0.032 R)
• M18: 12,588,661 km (0.099 R)
• M19: 13,267,237 km (0.063 R)
• M20: 16,593,097 km (0.084 R)
• M21: 17,217,668 km (0.102 R)
• M22: 17,728,544 km (0.061 R)
• M23: 19,803,766 km (0.078 R)
• M24: 27,420,243 km (0.064 R)
• M25: 30,553,420 km (0.068 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: 431 - 12,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit