🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 11.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 8.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,216,401 km

• M1: 151,094 km (0.114 R)
• M2: 526,585 km (0.104 R)
• M3: 926,908 km (0.094 R)
• M4: 1,319,304 km (0.086 R)
• M5: 1,699,881 km (0.066 R)
• M6: 2,466,420 km (0.106 R)
• M7: 2,920,150 km (0.093 R)
• M8: 3,514,503 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 10.9

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.46 AU - 0.62 AU

Year: 269 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,216,401 km

• M1: 135,536 km (0.104 R)
• M2: 596,297 km (0.08 R)
• M3: 1,144,723 km (0.091 R)
• M4: 1,501,065 km (0.097 R)
• M5: 1,918,144 km (0.107 R)
• M6: 2,481,230 km (0.071 R)
• M7: 2,854,776 km (0.068 R)
• M8: 3,447,932 km (0.111 R)
• M9: 4,183,804 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 13.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.15 AU - 1.37 AU

Year: 959 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,216,401 km

• M1: 164,109 km (0.116 R)
• M2: 612,902 km (0.113 R)
• M3: 1,216,530 km (0.106 R)
• M4: 1,761,665 km (0.114 R)
• M5: 2,313,082 km (0.12 R)
• M6: 3,371,786 km (0.099 R)
• M7: 4,116,335 km (0.116 R)
• M8: 5,080,194 km (0.105 R)
• M9: 5,646,123 km (0.107 R)
• M10: 6,384,987 km (0.105 R)
• M11: 8,556,400 km (0.089 R)
• M12: 9,331,466 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.7

Radius: 9.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.21 AU - 2.01 AU

Year: 1386 Days

Day: 11.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,216,401 km

• M1: 118,781 km (0.031 R)
• M2: 465,549 km (0.1 R)
• M3: 860,337 km (0.101 R)
• M4: 1,246,150 km (0.064 R)
• M5: 1,754,035 km (0.117 R)
• M6: 2,312,035 km (0.115 R)
• M7: 2,823,211 km (0.069 R)
• M8: 3,197,206 km (0.091 R)
• M9: 4,237,210 km (0.093 R)
• M10: 4,804,784 km (0.087 R)
• M11: 5,488,447 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 12.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.59 AU - 2.41 AU

Year: 1918 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,216,401 km

• M1: 151,991 km (0.105 R)
• M2: 535,860 km (0.115 R)
• M3: 1,031,477 km (0.108 R)
• M4: 1,725,013 km (0.081 R)
• M5: 2,380,551 km (0.07 R)
• M6: 2,901,451 km (0.075 R)
• M7: 3,512,558 km (0.069 R)
• M8: 4,108,107 km (0.09 R)
• M9: 4,806,879 km (0.082 R)
• M10: 5,401,680 km (0.114 R)
• M11: 6,419,245 km (0.117 R)
• M12: 7,737,800 km (0.119 R)
• M13: 8,529,173 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 10.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.75 AU - 4.25 AU

Year: 4441 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,216,401 km

• M1: 132,095 km (0.092 R)
• M2: 469,588 km (0.074 R)
• M3: 848,370 km (0.032 R)
• M4: 1,437,785 km (0.064 R)
• M5: 1,926,372 km (0.094 R)
• M6: 2,582,508 km (0.102 R)
• M7: 2,987,769 km (0.071 R)
• M8: 3,453,467 km (0.119 R)
• M9: 4,487,936 km (0.073 R)
• M10: 5,100,839 km (0.082 R)
• M11: 7,964,142 km (0.104 R)
• M12: 9,427,359 km (0.086 R)
• M13: 9,977,729 km (0.099 R)
• M14: 12,095,586 km (0.11 R)
• M15: 12,570,111 km (0.029 R)
• M16: 13,464,706 km (0.073 R)
• M17: 13,880,887 km (0.076 R)
• M18: 14,401,189 km (0.113 R)
• M19: 15,082,158 km (0.048 R)
• M20: 15,886,546 km (0.078 R)
• M21: 17,092,604 km (0.037 R)
• M22: 17,526,139 km (0.085 R)
• M23: 18,585,142 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 11.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.17 AU - 4.67 AU

Year: 6303 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,216,401 km

• M1: 144,212 km (0.063 R)
• M2: 586,424 km (0.101 R)
• M3: 1,069,176 km (0.12 R)
• M4: 1,880,894 km (0.115 R)
• M5: 2,390,574 km (0.094 R)
• M6: 2,954,558 km (0.099 R)
• M7: 3,690,729 km (0.113 R)
• M8: 8,425,801 km (0.036 R)
• M9: 9,244,400 km (0.093 R)
• M10: 13,108,065 km (0.057 R)
• M11: 14,314,571 km (0.064 R)
• M12: 15,084,552 km (0.106 R)
• M13: 16,056,190 km (0.08 R)
• M14: 19,025,109 km (0.077 R)
• M15: 21,056,199 km (0.044 R)
• M16: 22,856,011 km (0.1 R)
• M17: 25,704,804 km (0.109 R)
• M18: 26,842,047 km (0.081 R)
• M19: 27,674,559 km (0.115 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: 352 - 14,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit