🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.57 AU - 2.33 AU

Year: 953 Days

Day: 35.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.72 AU - 6.48 AU

Year: 5271 Days

Day: 7.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 147.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,687,715 km

• M1: 177,573 km (0.092 R)
• M2: 725,550 km (0.093 R)
• M3: 1,187,508 km (0.117 R)
• M4: 1,681,929 km (0.115 R)
• M5: 2,817,526 km (0.074 R)
• M6: 5,138,088 km (0.077 R)
• M7: 5,693,545 km (0.109 R)
• M8: 6,128,426 km (0.084 R)
• M9: 8,408,148 km (0.11 R)
• M10: 9,351,213 km (0.109 R)
• M11: 11,014,891 km (0.097 R)
• M12: 14,120,693 km (0.088 R)
• M13: 15,452,712 km (0.068 R)
• M14: 18,299,111 km (0.088 R)
• M15: 23,872,529 km (0.098 R)
• M16: 24,681,255 km (0.101 R)
• M17: 26,439,180 km (0.085 R)
• M18: 27,392,717 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 11.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.78 AU - 8.28 AU

Year: 6521 Days

Day: 15 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,687,715 km

• M1: 140,622 km (0.089 R)
• M2: 492,626 km (0.114 R)
• M3: 854,054 km (0.07 R)
• M4: 1,357,451 km (0.071 R)
• M5: 2,039,318 km (0.033 R)
• M6: 3,533,651 km (0.081 R)
• M7: 3,885,206 km (0.075 R)
• M8: 4,390,698 km (0.099 R)
• M9: 5,290,678 km (0.067 R)
• M10: 5,689,805 km (0.097 R)
• M11: 6,830,040 km (0.119 R)
• M12: 7,454,462 km (0.095 R)
• M13: 8,902,719 km (0.105 R)
• M14: 11,065,156 km (0.098 R)
• M15: 11,618,070 km (0.084 R)
• M16: 15,024,862 km (0.082 R)
• M17: 17,187,449 km (0.077 R)
• M18: 17,589,568 km (0.054 R)
• M19: 19,405,387 km (0.032 R)
• M20: 20,658,120 km (0.094 R)
• M21: 22,838,060 km (0.111 R)
• M22: 26,036,013 km (0.117 R)
• M23: 26,477,926 km (0.091 R)
• M24: 27,195,397 km (0.102 R)
• M25: 30,781,557 km (0.055 R)
• M26: 31,375,161 km (0.081 R)
• M27: 34,564,887 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.2

Radius: 4.6

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 15.43 AU - 18.11 AU

Year: 24026 Days

Day: 16.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,687,715 km

• M1: 65,225 km (0.091 R)
• M2: 598,092 km (0.106 R)
• M3: 1,966,314 km (0.091 R)
• M4: 2,683,935 km (0.087 R)
• M5: 3,050,450 km (0.101 R)
• M6: 3,422,051 km (0.077 R)
• M7: 3,943,250 km (0.061 R)
• M8: 4,962,461 km (0.081 R)
• M9: 5,903,431 km (0.043 R)
• M10: 6,650,673 km (0.104 R)
• M11: 6,824,954 km (0.075 R)
• M12: 10,390,769 km (0.119 R)
• M13: 17,464,355 km (0.083 R)
• M14: 21,732,232 km (0.116 R)
• M15: 33,256,355 km (0.039 R)
• M16: 33,894,689 km (0.065 R)
• M17: 36,395,367 km (0.072 R)
• M18: 37,484,140 km (0.106 R)
• M19: 38,875,251 km (0.093 R)
• M20: 43,710,104 km (0.074 R)
• M21: 52,460,233 km (0.074 R)
• M22: 67,053,655 km (0.12 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 19,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit