🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.66 AU - 1.04 AU

Year: 506 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,268,384 km

• M1: 185,501 km (0.111 R)
• M2: 660,026 km (0.118 R)
• M3: 1,271,881 km (0.057 R)
• M4: 1,833,920 km (0.031 R)
• M5: 2,800,023 km (0.074 R)
• M6: 3,377,322 km (0.077 R)
• M7: 4,071,904 km (0.086 R)
• M8: 4,605,520 km (0.069 R)
• M9: 5,080,792 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 13.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.14 AU - 1.3 AU

Year: 870 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,268,384 km

• M1: 170,392 km (0.073 R)
• M2: 609,462 km (0.095 R)
• M3: 1,071,270 km (0.075 R)
• M4: 1,573,620 km (0.082 R)
• M5: 2,857,319 km (0.092 R)
• M6: 3,363,259 km (0.06 R)
• M7: 4,153,136 km (0.118 R)
• M8: 6,362,547 km (0.065 R)
• M9: 7,113,828 km (0.081 R)
• M10: 7,721,943 km (0.089 R)
• M11: 9,154,343 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 14.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.44 AU - 3.78 AU

Year: 4429 Days

Day: 10.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,268,384 km

• M1: 187,147 km (0.099 R)
• M2: 688,150 km (0.09 R)
• M3: 1,159,832 km (0.116 R)
• M4: 1,684,322 km (0.063 R)
• M5: 3,140,059 km (0.079 R)
• M6: 3,851,397 km (0.025 R)
• M7: 4,922,518 km (0.103 R)
• M8: 7,071,940 km (0.118 R)
• M9: 7,686,638 km (0.079 R)
• M10: 8,448,689 km (0.118 R)
• M11: 9,260,557 km (0.081 R)
• M12: 9,788,937 km (0.102 R)
• M13: 10,553,831 km (0.111 R)
• M14: 11,085,651 km (0.086 R)
• M15: 11,964,239 km (0.116 R)
• M16: 12,739,904 km (0.113 R)
• M17: 13,704,212 km (0.073 R)
• M18: 14,553,479 km (0.082 R)
• M19: 15,213,355 km (0.067 R)
• M20: 17,191,937 km (0.097 R)
• M21: 18,496,730 km (0.085 R)
• M22: 19,010,748 km (0.071 R)
• M23: 19,534,340 km (0.079 R)
• M24: 21,093,599 km (0.077 R)
• M25: 22,588,530 km (0.088 R)
• M26: 23,102,100 km (0.119 R)
• M27: 25,235,366 km (0.103 R)
• M28: 25,868,314 km (0.057 R)
• M29: 26,837,409 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.5

Radius: 7.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.54 AU - 10 AU

Year: 15356 Days

Day: 24.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 137.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,268,384 km

• M1: 97,987 km (0.116 R)
• M2: 423,960 km (0.049 R)
• M3: 752,776 km (0.112 R)
• M4: 1,203,216 km (0.108 R)
• M5: 1,503,907 km (0.068 R)
• M6: 2,888,436 km (0.082 R)
• M7: 5,821,751 km (0.11 R)
• M8: 6,465,321 km (0.028 R)
• M9: 7,115,922 km (0.067 R)
• M10: 7,600,769 km (0.048 R)
• M11: 9,048,278 km (0.058 R)
• M12: 10,619,055 km (0.099 R)
• M13: 12,828,017 km (0.07 R)
• M14: 13,485,350 km (0.101 R)
• M15: 14,227,954 km (0.052 R)
• M16: 14,802,560 km (0.052 R)
• M17: 16,134,729 km (0.083 R)
• M18: 20,128,094 km (0.087 R)
• M19: 23,128,280 km (0.112 R)
• M20: 28,769,466 km (0.054 R)
• M21: 29,790,920 km (0.045 R)
• M22: 31,154,804 km (0.078 R)
• M23: 31,582,803 km (0.059 R)
• M24: 32,231,908 km (0.037 R)
• M25: 33,893,791 km (0.092 R)
• M26: 35,728,609 km (0.117 R)
• M27: 36,079,865 km (0.079 R)
• M28: 38,973,387 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.8

Radius: 5.3

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.02 AU - 12.82 AU

Year: 23300 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,268,384 km

• M1: 131,048 km (0.069 R)
• M2: 772,972 km (0.04 R)
• M3: 1,227,002 km (0.119 R)
• M4: 1,771,239 km (0.084 R)
• M5: 2,761,876 km (0.112 R)
• M6: 6,670,868 km (0.037 R)
• M7: 7,023,919 km (0.036 R)
• M8: 11,084,305 km (0.101 R)
• M9: 11,330,094 km (0.09 R)
• M10: 11,768,864 km (0.089 R)
• M11: 13,708,251 km (0.072 R)
• M12: 15,163,689 km (0.105 R)
• M13: 16,084,613 km (0.105 R)
• M14: 24,211,667 km (0.032 R)
• M15: 27,208,711 km (0.047 R)
• M16: 32,654,074 km (0.11 R)
• M17: 44,544,860 km (0.071 R)
• M18: 45,793,255 km (0.09 R)
• M19: 46,585,226 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit