🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 8.4

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.87 AU - 1.21 AU

Year: 685 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,283,663 km

• M1: 104,419 km (0.092 R)
• M2: 376,987 km (0.106 R)
• M3: 780,751 km (0.079 R)
• M4: 1,207,853 km (0.101 R)
• M5: 1,810,583 km (0.088 R)
• M6: 2,118,007 km (0.117 R)
• M7: 2,556,777 km (0.117 R)
• M8: 2,921,796 km (0.061 R)
• M9: 3,230,865 km (0.074 R)
• M10: 3,672,478 km (0.083 R)
• M11: 4,578,293 km (0.079 R)
• M12: 4,945,406 km (0.092 R)
• M13: 5,682,026 km (0.092 R)
• M14: 6,205,768 km (0.12 R)
• M15: 7,084,207 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 13

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.39 AU - 1.91 AU

Year: 1368 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,283,663 km

• M1: 161,715 km (0.108 R)
• M2: 706,850 km (0.076 R)
• M3: 1,337,555 km (0.107 R)
• M4: 1,812,977 km (0.116 R)
• M5: 2,804,661 km (0.073 R)
• M6: 3,252,707 km (0.052 R)
• M7: 4,103,021 km (0.101 R)
• M8: 4,713,829 km (0.054 R)
• M9: 5,287,387 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 8.2

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.72 AU - 2.3 AU

Year: 1840 Days

Day: 11.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,283,663 km

• M1: 102,026 km (0.082 R)
• M2: 571,763 km (0.113 R)
• M3: 887,415 km (0.112 R)
• M4: 3,025,019 km (0.113 R)
• M5: 4,544,484 km (0.057 R)
• M6: 5,588,079 km (0.104 R)
• M7: 5,927,816 km (0.072 R)
• M8: 6,542,364 km (0.107 R)
• M9: 7,689,630 km (0.073 R)
• M10: 8,357,883 km (0.087 R)
• M11: 8,738,460 km (0.088 R)
• M12: 9,297,208 km (0.108 R)
• M13: 9,568,280 km (0.1 R)
• M14: 15,165,185 km (0.092 R)
• M15: 15,683,990 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 12.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.21 AU - 2.49 AU

Year: 2326 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,283,663 km

• M1: 155,582 km (0.081 R)
• M2: 589,565 km (0.081 R)
• M3: 1,419,833 km (0.108 R)
• M4: 2,053,231 km (0.105 R)
• M5: 2,443,831 km (0.115 R)
• M6: 3,027,263 km (0.073 R)
• M7: 3,758,048 km (0.117 R)
• M8: 4,349,708 km (0.038 R)
• M9: 5,258,365 km (0.059 R)
• M10: 5,670,657 km (0.091 R)
• M11: 6,343,099 km (0.097 R)
• M12: 7,571,597 km (0.108 R)
• M13: 8,098,930 km (0.043 R)
• M14: 9,829,627 km (0.034 R)
• M15: 12,547,671 km (0.095 R)
• M16: 15,831,793 km (0.087 R)
• M17: 16,387,400 km (0.1 R)
• M18: 16,851,602 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 9.3

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.21 AU - 2.71 AU

Year: 2491 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,283,663 km

• M1: 115,789 km (0.092 R)
• M2: 503,397 km (0.088 R)
• M3: 1,169,706 km (0.078 R)
• M4: 1,568,384 km (0.095 R)
• M5: 2,158,099 km (0.059 R)
• M6: 2,795,386 km (0.109 R)
• M7: 3,099,967 km (0.119 R)
• M8: 3,950,581 km (0.095 R)
• M9: 4,926,557 km (0.089 R)
• M10: 5,349,321 km (0.067 R)
• M11: 6,002,914 km (0.051 R)
• M12: 6,294,929 km (0.089 R)
• M13: 6,708,717 km (0.092 R)
• M14: 7,775,798 km (0.072 R)
• M15: 8,884,169 km (0.103 R)
• M16: 9,334,608 km (0.084 R)
• M17: 10,057,315 km (0.095 R)
• M18: 11,012,647 km (0.094 R)
• M19: 12,110,995 km (0.106 R)
• M20: 12,622,021 km (0.114 R)
• M21: 13,870,266 km (0.088 R)
• M22: 17,725,253 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 11.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.97 AU - 3.43 AU

Year: 3696 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,283,663 km

• M1: 141,819 km (0.115 R)
• M2: 506,688 km (0.09 R)
• M3: 953,387 km (0.102 R)
• M4: 1,949,559 km (0.066 R)
• M5: 2,888,286 km (0.057 R)
• M6: 3,606,206 km (0.105 R)
• M7: 4,215,219 km (0.091 R)
• M8: 5,729,449 km (0.088 R)
• M9: 6,412,513 km (0.066 R)
• M10: 8,851,407 km (0.053 R)
• M11: 10,060,756 km (0.061 R)
• M12: 10,879,356 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 11.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.7 AU - 5.66 AU

Year: 7612 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,283,663 km

• M1: 146,756 km (0.067 R)
• M2: 948,600 km (0.029 R)
• M3: 1,318,256 km (0.1 R)
• M4: 1,716,636 km (0.117 R)
• M5: 2,312,484 km (0.066 R)
• M6: 4,377,084 km (0.113 R)
• M7: 5,744,708 km (0.113 R)
• M8: 6,791,145 km (0.092 R)
• M9: 7,303,518 km (0.116 R)
• M10: 7,880,965 km (0.071 R)
• M11: 9,661,330 km (0.098 R)
• M12: 10,405,280 km (0.095 R)
• M13: 11,850,844 km (0.083 R)
• M14: 12,594,794 km (0.055 R)
• M15: 13,768,838 km (0.057 R)
• M16: 15,259,880 km (0.116 R)
• M17: 19,930,625 km (0.118 R)
• M18: 20,302,077 km (0.082 R)
• M19: 25,302,086 km (0.049 R)
• M20: 26,445,762 km (0.039 R)
• M21: 36,200,441 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.4

Radius: 3.1

Gravity: 93.59 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.59 AU - 9.05 AU

Year: 15495 Days

Day: 17.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,283,663 km

• M1: 39,344 km (0.084 R)
• M2: 223,200 km (0.111 R)
• M3: 609,013 km (0.103 R)
• M4: 1,110,016 km (0.077 R)
• M5: 1,647,671 km (0.109 R)
• M6: 3,076,181 km (0.072 R)
• M7: 3,482,489 km (0.117 R)
• M8: 5,355,155 km (0.11 R)
• M9: 5,900,738 km (0.116 R)
• M10: 6,655,460 km (0.035 R)
• M11: 8,558,345 km (0.082 R)
• M12: 12,911,044 km (0.098 R)
• M13: 15,982,887 km (0.086 R)
• M14: 19,687,977 km (0.111 R)
• M15: 20,233,710 km (0.048 R)
• M16: 21,071,159 km (0.114 R)
• M17: 21,834,856 km (0.075 R)
• M18: 36,004,019 km (0.066 R)
• M19: 36,546,161 km (0.071 R)
• M20: 39,053,571 km (0.103 R)
• M21: 43,177,835 km (0.068 R)
• M22: 47,258,865 km (0.045 R)
• M23: 63,556,356 km (0.074 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 11,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit