🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

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: 540.8

Radius: 13.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.55 AU - 0.59 AU

Year: 297 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,809,933 km

• M1: 171,888 km (0.047 R)
• M2: 782,098 km (0.116 R)
• M3: 1,338,602 km (0.069 R)
• M4: 1,784,104 km (0.067 R)
• M5: 2,486,317 km (0.107 R)
• M6: 3,065,560 km (0.097 R)
• M7: 3,678,612 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 10.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.99 AU - 1.19 AU

Year: 786 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,809,933 km

• M1: 130,599 km (0.119 R)
• M2: 535,710 km (0.091 R)
• M3: 879,935 km (0.051 R)
• M4: 1,275,920 km (0.076 R)
• M5: 1,602,792 km (0.11 R)
• M6: 1,946,567 km (0.078 R)
• M7: 2,432,461 km (0.069 R)
• M8: 3,163,845 km (0.047 R)
• M9: 3,995,909 km (0.094 R)
• M10: 5,659,287 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 11.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.95 AU - 1.27 AU

Year: 807 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,809,933 km

• M1: 139,724 km (0.116 R)
• M2: 521,947 km (0.112 R)
• M3: 973,134 km (0.085 R)
• M4: 1,495,530 km (0.109 R)
• M5: 1,915,750 km (0.089 R)
• M6: 2,267,455 km (0.089 R)
• M7: 2,798,079 km (0.102 R)
• M8: 3,410,233 km (0.093 R)
• M9: 4,174,529 km (0.089 R)
• M10: 4,646,360 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 13.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.42 AU - 1.82 AU

Year: 1423 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,809,933 km

• M1: 170,392 km (0.028 R)
• M2: 626,366 km (0.083 R)
• M3: 1,627,625 km (0.075 R)
• M4: 2,305,303 km (0.072 R)
• M5: 2,987,021 km (0.085 R)
• M6: 3,513,904 km (0.051 R)
• M7: 4,121,122 km (0.103 R)
• M8: 4,676,429 km (0.108 R)
• M9: 5,569,678 km (0.107 R)
• M10: 6,448,117 km (0.05 R)
• M11: 6,960,340 km (0.109 R)
• M12: 8,213,073 km (0.102 R)
• M13: 8,662,465 km (0.063 R)
• M14: 9,908,914 km (0.113 R)
• M15: 13,319,297 km (0.073 R)
• M16: 14,409,865 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 11.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.71 AU - 4.07 AU

Year: 4308 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,809,933 km

• M1: 150,495 km (0.079 R)
• M2: 532,269 km (0.107 R)
• M3: 918,232 km (0.115 R)
• M4: 1,288,935 km (0.11 R)
• M5: 2,559,320 km (0.111 R)
• M6: 3,948,636 km (0.065 R)
• M7: 6,545,655 km (0.076 R)
• M8: 7,197,154 km (0.094 R)
• M9: 8,937,874 km (0.104 R)
• M10: 10,201,827 km (0.092 R)
• M11: 11,078,321 km (0.042 R)
• M12: 13,031,471 km (0.046 R)
• M13: 15,485,025 km (0.106 R)
• M14: 18,933,705 km (0.105 R)
• M15: 20,940,411 km (0.097 R)
• M16: 21,852,509 km (0.104 R)
• M17: 23,680,894 km (0.083 R)
• M18: 25,926,957 km (0.057 R)
• M19: 27,142,888 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 9.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.93 AU - 4.07 AU

Year: 4520 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,809,933 km

• M1: 121,025 km (0.079 R)
• M2: 782,696 km (0.101 R)
• M3: 1,373,907 km (0.098 R)
• M4: 1,725,911 km (0.047 R)
• M5: 2,550,344 km (0.101 R)
• M6: 3,088,448 km (0.079 R)
• M7: 3,394,824 km (0.05 R)
• M8: 5,941,279 km (0.093 R)
• M9: 7,550,205 km (0.095 R)
• M10: 10,080,503 km (0.102 R)
• M11: 10,587,041 km (0.108 R)
• M12: 11,834,837 km (0.11 R)
• M13: 12,446,543 km (0.065 R)
• M14: 13,886,722 km (0.071 R)
• M15: 14,513,985 km (0.099 R)
• M16: 17,755,023 km (0.029 R)
• M17: 18,556,569 km (0.112 R)
• M18: 20,632,239 km (0.055 R)
• M19: 26,173,793 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 9.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.12 AU - 4.5 AU

Year: 6176 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,809,933 km

• M1: 116,986 km (0.109 R)
• M2: 440,865 km (0.071 R)
• M3: 771,626 km (0.091 R)
• M4: 1,530,985 km (0.045 R)
• M5: 2,365,142 km (0.073 R)
• M6: 3,010,508 km (0.119 R)
• M7: 3,455,412 km (0.077 R)
• M8: 4,876,741 km (0.095 R)
• M9: 5,689,506 km (0.095 R)
• M10: 9,697,233 km (0.114 R)
• M11: 10,410,217 km (0.107 R)
• M12: 11,023,269 km (0.117 R)
• M13: 16,413,729 km (0.076 R)
• M14: 17,547,531 km (0.052 R)
• M15: 18,040,306 km (0.068 R)
• M16: 18,988,907 km (0.095 R)
• M17: 19,377,562 km (0.115 R)
• M18: 22,898,796 km (0.11 R)
• M19: 23,265,461 km (0.116 R)
• M20: 25,002,741 km (0.082 R)
• M21: 25,784,390 km (0.085 R)
• M22: 27,232,497 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 11,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit