🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 10.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.51 AU - 0.75 AU

Year: 339 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,762,674 km

• M1: 131,945 km (0.12 R)
• M2: 506,090 km (0.114 R)
• M3: 883,824 km (0.104 R)
• M4: 1,297,462 km (0.099 R)
• M5: 1,790,387 km (0.109 R)
• M6: 2,639,954 km (0.114 R)
• M7: 3,010,807 km (0.072 R)
• M8: 3,461,545 km (0.039 R)
• M9: 4,043,930 km (0.047 R)
• M10: 4,378,730 km (0.071 R)
• M11: 4,774,266 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 11.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.84 AU - 1.04 AU

Year: 618 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,762,674 km

• M1: 138,079 km (0.11 R)
• M2: 483,650 km (0.069 R)
• M3: 964,757 km (0.095 R)
• M4: 1,726,060 km (0.079 R)
• M5: 2,539,125 km (0.055 R)
• M6: 3,113,580 km (0.067 R)
• M7: 3,473,064 km (0.108 R)
• M8: 4,330,410 km (0.048 R)
• M9: 5,077,053 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.5

Radius: 9.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.72 AU - 1.16 AU

Year: 618 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,762,674 km

• M1: 123,867 km (0.067 R)
• M2: 448,794 km (0.086 R)
• M3: 756,666 km (0.085 R)
• M4: 1,225,506 km (0.081 R)
• M5: 1,736,831 km (0.112 R)
• M6: 2,147,627 km (0.103 R)
• M7: 2,475,097 km (0.099 R)
• M8: 3,221,291 km (0.106 R)
• M9: 3,641,362 km (0.053 R)
• M10: 3,970,627 km (0.06 R)
• M11: 4,689,744 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 11.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.08 AU - 2.9 AU

Year: 2665 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,762,674 km

• M1: 178,919 km (0.101 R)
• M2: 610,210 km (0.047 R)
• M3: 1,035,666 km (0.059 R)
• M4: 1,470,697 km (0.113 R)
• M5: 1,896,901 km (0.096 R)
• M6: 2,461,633 km (0.078 R)
• M7: 2,877,515 km (0.112 R)
• M8: 3,357,874 km (0.099 R)
• M9: 4,168,844 km (0.087 R)
• M10: 4,921,770 km (0.08 R)
• M11: 5,612,314 km (0.026 R)
• M12: 6,046,447 km (0.082 R)
• M13: 7,011,503 km (0.093 R)
• M14: 8,301,784 km (0.067 R)
• M15: 9,072,363 km (0.089 R)
• M16: 9,817,061 km (0.069 R)
• M17: 10,449,262 km (0.089 R)
• M18: 11,672,075 km (0.108 R)
• M19: 13,980,071 km (0.106 R)
• M20: 14,973,700 km (0.12 R)
• M21: 15,463,034 km (0.099 R)
• M22: 16,064,418 km (0.1 R)
• M23: 17,420,822 km (0.115 R)
• M24: 18,126,924 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.64 AU - 2.86 AU

Year: 3093 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,762,674 km

• M1: 106,663 km (0.113 R)
• M2: 379,530 km (0.085 R)
• M3: 630,705 km (0.098 R)
• M4: 920,775 km (0.052 R)
• M5: 1,248,095 km (0.07 R)
• M6: 1,921,585 km (0.076 R)
• M7: 2,353,175 km (0.108 R)
• M8: 2,607,042 km (0.101 R)
• M9: 3,340,670 km (0.101 R)
• M10: 5,025,591 km (0.076 R)
• M11: 6,025,952 km (0.095 R)
• M12: 6,477,438 km (0.114 R)
• M13: 8,382,866 km (0.109 R)
• M14: 9,640,386 km (0.096 R)
• M15: 10,147,523 km (0.071 R)
• M16: 10,710,460 km (0.064 R)
• M17: 11,175,709 km (0.094 R)
• M18: 11,898,715 km (0.114 R)
• M19: 12,652,539 km (0.113 R)
• M20: 14,070,577 km (0.116 R)
• M21: 15,057,026 km (0.095 R)
• M22: 15,789,307 km (0.052 R)
• M23: 16,854,145 km (0.095 R)
• M24: 17,219,463 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.1

Radius: 5.6

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.06 AU - 7.44 AU

Year: 10598 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,762,674 km

• M1: 69,713 km (0.109 R)
• M2: 258,505 km (0.091 R)
• M3: 555,307 km (0.093 R)
• M4: 2,688,124 km (0.092 R)
• M5: 4,295,404 km (0.109 R)
• M6: 4,594,300 km (0.114 R)
• M7: 8,254,811 km (0.026 R)
• M8: 9,743,908 km (0.074 R)
• M9: 14,529,544 km (0.068 R)
• M10: 16,180,655 km (0.063 R)
• M11: 18,029,236 km (0.096 R)
• M12: 21,187,247 km (0.072 R)
• M13: 22,493,985 km (0.106 R)
• M14: 23,577,372 km (0.096 R)
• M15: 25,653,192 km (0.084 R)
• M16: 27,541,417 km (0.096 R)
• M17: 30,599,048 km (0.088 R)
• M18: 32,720,495 km (0.079 R)
• M19: 33,179,162 km (0.077 R)
• M20: 40,585,454 km (0.066 R)
• M21: 48,277,327 km (0.084 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: 439 - 14,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit