🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.8

Radius: 10.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.74 AU - 0.86 AU

Year: 485 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,011,971 km

• M1: 129,552 km (0.097 R)
• M2: 453,132 km (0.058 R)
• M3: 882,478 km (0.092 R)
• M4: 1,252,733 km (0.062 R)
• M5: 1,939,985 km (0.1 R)
• M6: 2,840,116 km (0.09 R)
• M7: 3,187,631 km (0.056 R)
• M8: 3,563,870 km (0.077 R)
• M9: 4,636,337 km (0.056 R)
• M10: 5,087,824 km (0.074 R)
• M11: 5,621,589 km (0.108 R)
• M12: 6,097,908 km (0.091 R)
• M13: 6,443,330 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.2

Radius: 9.5

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.05 AU - 2.17 AU

Year: 2079 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,011,971 km

• M1: 118,182 km (0.108 R)
• M2: 810,671 km (0.118 R)
• M3: 1,143,975 km (0.104 R)
• M4: 1,519,765 km (0.083 R)
• M5: 1,906,924 km (0.114 R)
• M6: 2,332,680 km (0.102 R)
• M7: 2,851,784 km (0.037 R)
• M8: 3,172,522 km (0.072 R)
• M9: 3,662,156 km (0.05 R)
• M10: 4,003,089 km (0.087 R)
• M11: 4,406,704 km (0.061 R)
• M12: 5,463,314 km (0.111 R)
• M13: 5,884,582 km (0.045 R)
• M14: 6,904,690 km (0.083 R)
• M15: 7,728,824 km (0.113 R)
• M16: 11,610,440 km (0.116 R)
• M17: 12,816,947 km (0.101 R)
• M18: 13,207,846 km (0.12 R)
• M19: 13,831,819 km (0.026 R)
• M20: 14,521,914 km (0.078 R)
• M21: 14,946,922 km (0.109 R)
• M22: 15,380,307 km (0.111 R)
• M23: 15,772,403 km (0.117 R)
• M24: 16,730,577 km (0.033 R)
• M25: 18,158,339 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.4

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.28 AU - 4.14 AU

Year: 4847 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,011,971 km

• M1: 144,811 km (0.112 R)
• M2: 589,266 km (0.064 R)
• M3: 987,645 km (0.081 R)
• M4: 1,501,065 km (0.116 R)
• M5: 2,024,658 km (0.086 R)
• M6: 3,058,379 km (0.085 R)
• M7: 3,423,098 km (0.094 R)
• M8: 4,802,690 km (0.1 R)
• M9: 6,959,891 km (0.114 R)
• M10: 8,985,447 km (0.056 R)
• M11: 10,858,711 km (0.096 R)
• M12: 12,210,627 km (0.064 R)
• M13: 12,616,636 km (0.087 R)
• M14: 13,031,770 km (0.097 R)
• M15: 13,509,735 km (0.096 R)
• M16: 14,899,050 km (0.096 R)
• M17: 17,253,272 km (0.066 R)
• M18: 21,785,489 km (0.102 R)
• M19: 22,610,970 km (0.092 R)
• M20: 25,789,626 km (0.112 R)
• M21: 26,459,226 km (0.067 R)
• M22: 29,526,431 km (0.076 R)
• M23: 30,723,663 km (0.06 R)
• M24: 32,337,824 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.4

Radius: 9.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.45 AU - 5.55 AU

Year: 6475 Days

Day: 15 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,011,971 km

• M1: 118,781 km (0.067 R)
• M2: 697,724 km (0.106 R)
• M3: 4,446,348 km (0.094 R)
• M4: 4,808,076 km (0.078 R)
• M5: 5,377,894 km (0.084 R)
• M6: 7,266,118 km (0.085 R)
• M7: 8,295,501 km (0.095 R)
• M8: 9,252,778 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.4

Radius: 9.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.52 AU - 5.1 AU

Year: 7155 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,011,971 km

• M1: 129,552 km (0.094 R)
• M2: 735,722 km (0.116 R)
• M3: 1,084,285 km (0.04 R)
• M4: 1,842,747 km (0.071 R)
• M5: 2,759,183 km (0.084 R)
• M6: 3,755,655 km (0.064 R)
• M7: 4,240,800 km (0.082 R)
• M8: 4,699,019 km (0.072 R)
• M9: 5,766,549 km (0.093 R)
• M10: 8,576,296 km (0.115 R)
• M11: 10,391,966 km (0.093 R)
• M12: 11,389,933 km (0.094 R)
• M13: 12,406,750 km (0.064 R)
• M14: 12,937,373 km (0.116 R)
• M15: 13,529,183 km (0.114 R)
• M16: 17,908,511 km (0.111 R)
• M17: 19,694,410 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 14.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.05 AU - 5.93 AU

Year: 7560 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,011,971 km

• M1: 180,415 km (0.109 R)
• M2: 684,261 km (0.083 R)
• M3: 1,382,584 km (0.074 R)
• M4: 1,873,863 km (0.087 R)
• M5: 3,695,367 km (0.1 R)
• M6: 5,122,231 km (0.055 R)
• M7: 6,711,708 km (0.115 R)
• M8: 7,601,217 km (0.081 R)
• M9: 8,736,815 km (0.113 R)
• M10: 9,524,896 km (0.1 R)
• M11: 12,336,439 km (0.091 R)
• M12: 13,104,025 km (0.106 R)
• M13: 15,286,509 km (0.063 R)
• M14: 18,821,357 km (0.098 R)
• M15: 19,544,812 km (0.092 R)
• M16: 20,136,771 km (0.117 R)
• M17: 21,047,224 km (0.068 R)
• M18: 21,747,940 km (0.099 R)
• M19: 22,787,496 km (0.066 R)
• M20: 24,112,035 km (0.078 R)
• M21: 28,019,382 km (0.119 R)
• M22: 32,227,869 km (0.096 R)
• M23: 33,054,846 km (0.032 R)
• M24: 38,663,570 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 20,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit