🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 9.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.88 AU

Year: 414 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,064,882 km

• M1: 114,442 km (0.095 R)
• M2: 408,253 km (0.029 R)
• M3: 1,106,127 km (0.089 R)
• M4: 1,541,456 km (0.102 R)
• M5: 2,184,578 km (0.085 R)
• M6: 2,536,581 km (0.03 R)
• M7: 3,058,229 km (0.067 R)
• M8: 3,534,698 km (0.028 R)
• M9: 3,960,753 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 8.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.74 AU - 1.06 AU

Year: 579 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,064,882 km

• M1: 102,026 km (0.114 R)
• M2: 359,783 km (0.112 R)
• M3: 705,354 km (0.103 R)
• M4: 1,259,764 km (0.055 R)
• M5: 1,640,191 km (0.097 R)
• M6: 1,900,940 km (0.059 R)
• M7: 2,268,652 km (0.096 R)
• M8: 2,643,694 km (0.092 R)
• M9: 2,983,730 km (0.115 R)
• M10: 4,223,746 km (0.118 R)
• M11: 4,853,254 km (0.067 R)
• M12: 5,576,560 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 9.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.25 AU - 2.01 AU

Year: 1411 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,064,882 km

• M1: 175,179 km (0.065 R)
• M2: 548,575 km (0.113 R)
• M3: 885,769 km (0.089 R)
• M4: 1,437,037 km (0.091 R)
• M5: 1,942,528 km (0.109 R)
• M6: 2,373,520 km (0.108 R)
• M7: 2,712,658 km (0.115 R)
• M8: 4,130,397 km (0.092 R)
• M9: 4,443,506 km (0.055 R)
• M10: 4,810,020 km (0.08 R)
• M11: 5,137,490 km (0.077 R)
• M12: 6,859,810 km (0.048 R)
• M13: 7,528,214 km (0.113 R)
• M14: 7,997,502 km (0.075 R)
• M15: 8,625,364 km (0.051 R)
• M16: 9,463,711 km (0.076 R)
• M17: 10,707,617 km (0.113 R)
• M18: 11,035,087 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 8.5

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.27 AU - 2.05 AU

Year: 1451 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,064,882 km

• M1: 105,766 km (0.12 R)
• M2: 515,664 km (0.109 R)
• M3: 808,427 km (0.103 R)
• M4: 1,261,409 km (0.063 R)
• M5: 2,194,002 km (0.074 R)
• M6: 2,651,473 km (0.072 R)
• M7: 2,938,701 km (0.037 R)
• M8: 3,448,081 km (0.077 R)
• M9: 4,103,619 km (0.059 R)
• M10: 4,395,485 km (0.119 R)
• M11: 5,420,380 km (0.083 R)
• M12: 5,727,803 km (0.088 R)
• M13: 6,163,582 km (0.105 R)
• M14: 6,450,062 km (0.089 R)
• M15: 6,896,611 km (0.082 R)
• M16: 7,310,698 km (0.113 R)
• M17: 7,796,293 km (0.068 R)
• M18: 11,033,890 km (0.037 R)
• M19: 11,673,122 km (0.097 R)
• M20: 12,411,986 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.7

Radius: 8

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.94 AU - 7.8 AU

Year: 10904 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,064,882 km

• M1: 99,483 km (0.12 R)
• M2: 348,862 km (0.093 R)
• M3: 598,840 km (0.098 R)
• M4: 2,450,413 km (0.108 R)
• M5: 2,737,940 km (0.12 R)
• M6: 3,094,133 km (0.101 R)
• M7: 4,381,871 km (0.118 R)
• M8: 4,934,336 km (0.099 R)
• M9: 5,227,698 km (0.048 R)
• M10: 6,104,042 km (0.063 R)
• M11: 8,555,801 km (0.094 R)
• M12: 9,517,716 km (0.082 R)
• M13: 11,541,027 km (0.097 R)
• M14: 13,899,437 km (0.11 R)
• M15: 14,819,165 km (0.118 R)
• M16: 15,639,261 km (0.103 R)
• M17: 17,072,857 km (0.108 R)
• M18: 19,545,560 km (0.078 R)
• M19: 20,615,035 km (0.113 R)
• M20: 24,618,574 km (0.099 R)
• M21: 28,172,570 km (0.055 R)
• M22: 28,483,435 km (0.117 R)
• M23: 28,901,261 km (0.066 R)
• M24: 29,429,492 km (0.066 R)
• M25: 33,423,904 km (0.115 R)
• M26: 38,143,268 km (0.118 R)
• M27: 38,906,666 km (0.112 R)
• M28: 41,658,818 km (0.118 R)
• M29: 42,062,433 km (0.117 R)
• M30: 45,526,821 km (0.114 R)
• M31: 46,674,386 km (0.039 R)
• M32: 49,627,598 km (0.088 R)
• M33: 50,996,269 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233

Radius: 6.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.64 AU - 7.4 AU

Year: 12615 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,064,882 km

• M1: 85,869 km (0.078 R)
• M2: 585,227 km (0.042 R)
• M3: 887,714 km (0.114 R)
• M4: 1,644,978 km (0.091 R)
• M5: 2,241,574 km (0.057 R)
• M6: 2,733,153 km (0.111 R)
• M7: 3,228,322 km (0.05 R)
• M8: 3,497,598 km (0.106 R)
• M9: 5,888,920 km (0.091 R)
• M10: 6,189,612 km (0.119 R)
• M11: 9,020,602 km (0.105 R)
• M12: 9,786,094 km (0.101 R)
• M13: 10,642,841 km (0.073 R)
• M14: 20,268,417 km (0.071 R)
• M15: 22,942,180 km (0.049 R)
• M16: 25,052,108 km (0.093 R)
• M17: 28,124,400 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 16,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit