🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.51 AU - 0.83 AU

Year: 360 Days

Day: 47.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 10.1

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 8 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,470,856 km

• M1: 126,111 km (0.076 R)
• M2: 482,304 km (0.065 R)
• M3: 826,528 km (0.057 R)
• M4: 1,165,517 km (0.056 R)
• M5: 1,543,700 km (0.097 R)
• M6: 1,914,554 km (0.06 R)
• M7: 2,515,339 km (0.085 R)
• M8: 3,011,854 km (0.116 R)
• M9: 3,342,914 km (0.077 R)
• M10: 3,774,803 km (0.107 R)
• M11: 4,706,499 km (0.086 R)
• M12: 5,282,899 km (0.099 R)
• M13: 5,698,632 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 13.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.53 AU - 1.73 AU

Year: 1365 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,470,856 km

• M1: 163,062 km (0.109 R)
• M2: 675,285 km (0.114 R)
• M3: 2,489,907 km (0.029 R)
• M4: 3,153,673 km (0.114 R)
• M5: 3,638,669 km (0.063 R)
• M6: 4,052,008 km (0.068 R)
• M7: 4,741,205 km (0.046 R)
• M8: 5,381,035 km (0.077 R)
• M9: 5,809,633 km (0.115 R)
• M10: 6,424,780 km (0.102 R)
• M11: 6,883,297 km (0.095 R)
• M12: 7,546,465 km (0.078 R)
• M13: 7,975,362 km (0.082 R)
• M14: 8,970,936 km (0.043 R)
• M15: 9,422,272 km (0.11 R)
• M16: 10,436,247 km (0.084 R)
• M17: 11,277,884 km (0.094 R)
• M18: 12,019,441 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 4.2

Gravity: 44.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.64 AU - 9.16 AU

Year: 15971 Days

Day: 22.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,470,856 km

• M1: 52,359 km (0.118 R)
• M2: 239,955 km (0.046 R)
• M3: 464,651 km (0.094 R)
• M4: 906,563 km (0.051 R)
• M5: 2,533,440 km (0.117 R)
• M6: 3,718,255 km (0.109 R)
• M7: 3,896,127 km (0.046 R)
• M8: 5,230,690 km (0.11 R)
• M9: 6,497,036 km (0.116 R)
• M10: 7,338,524 km (0.109 R)
• M11: 7,761,586 km (0.115 R)
• M12: 8,656,032 km (0.094 R)
• M13: 11,685,538 km (0.069 R)
• M14: 12,003,434 km (0.039 R)
• M15: 16,756,009 km (0.086 R)
• M16: 17,405,712 km (0.1 R)
• M17: 19,633,075 km (0.109 R)
• M18: 21,755,570 km (0.074 R)
• M19: 22,921,535 km (0.092 R)
• M20: 23,822,863 km (0.091 R)
• M21: 28,456,956 km (0.116 R)
• M22: 29,732,128 km (0.119 R)
• M23: 33,148,794 km (0.106 R)
• M24: 37,363,564 km (0.069 R)
• M25: 39,456,588 km (0.103 R)
• M26: 39,598,856 km (0.1 R)
• M27: 40,027,603 km (0.101 R)
• M28: 42,367,164 km (0.08 R)
• M29: 43,267,444 km (0.089 R)
• M30: 45,573,795 km (0.108 R)
• M31: 49,102,659 km (0.09 R)
• M32: 50,597,441 km (0.093 R)
• M33: 60,773,985 km (0.089 R)
• M34: 61,918,409 km (0.113 R)
• M35: 66,237,748 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 14,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit