🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 13.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 12.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.69 AU - 1.05 AU

Year: 532 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,286,042 km

• M1: 160,519 km (0.09 R)
• M2: 591,809 km (0.119 R)
• M3: 1,001,707 km (0.109 R)
• M4: 1,407,118 km (0.115 R)
• M5: 1,981,723 km (0.031 R)
• M6: 2,512,795 km (0.117 R)
• M7: 3,404,399 km (0.094 R)
• M8: 3,957,312 km (0.112 R)
• M9: 4,496,912 km (0.085 R)
• M10: 5,325,235 km (0.113 R)
• M11: 5,828,034 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 8.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.92 AU - 1.3 AU

Year: 767 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,286,042 km

• M1: 110,702 km (0.083 R)
• M2: 387,907 km (0.025 R)
• M3: 672,293 km (0.087 R)
• M4: 1,133,503 km (0.093 R)
• M5: 1,514,529 km (0.107 R)
• M6: 1,988,604 km (0.116 R)
• M7: 2,367,536 km (0.081 R)
• M8: 2,707,123 km (0.09 R)
• M9: 3,641,362 km (0.108 R)
• M10: 5,003,002 km (0.116 R)
• M11: 5,780,462 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 4

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.74 AU - 7.78 AU

Year: 10275 Days

Day: 18.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,286,042 km

• M1: 49,816 km (0.049 R)
• M2: 177,872 km (0.118 R)
• M3: 319,242 km (0.08 R)
• M4: 563,236 km (0.092 R)
• M5: 843,732 km (0.059 R)
• M6: 1,395,000 km (0.039 R)
• M7: 2,497,985 km (0.12 R)
• M8: 3,555,642 km (0.103 R)
• M9: 4,081,778 km (0.07 R)
• M10: 4,442,758 km (0.093 R)
• M11: 4,603,725 km (0.099 R)
• M12: 4,740,906 km (0.091 R)
• M13: 6,923,838 km (0.108 R)
• M14: 7,511,758 km (0.119 R)
• M15: 9,831,722 km (0.111 R)
• M16: 10,337,512 km (0.094 R)
• M17: 10,716,144 km (0.076 R)
• M18: 10,957,446 km (0.06 R)
• M19: 12,695,623 km (0.027 R)
• M20: 16,386,352 km (0.044 R)
• M21: 20,143,054 km (0.078 R)
• M22: 26,573,519 km (0.104 R)
• M23: 28,187,829 km (0.065 R)
• M24: 28,832,895 km (0.064 R)
• M25: 29,299,641 km (0.088 R)
• M26: 33,114,685 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.2

Radius: 4.3

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.09 AU - 7.23 AU

Year: 11275 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,286,042 km

• M1: 53,556 km (0.065 R)
• M2: 191,036 km (0.069 R)
• M3: 428,747 km (0.103 R)
• M4: 1,003,203 km (0.099 R)
• M5: 1,932,655 km (0.083 R)
• M6: 2,498,284 km (0.101 R)
• M7: 2,736,743 km (0.061 R)
• M8: 3,033,845 km (0.09 R)
• M9: 3,305,215 km (0.043 R)
• M10: 3,495,055 km (0.104 R)
• M11: 3,742,640 km (0.102 R)
• M12: 4,731,481 km (0.104 R)
• M13: 4,972,932 km (0.085 R)
• M14: 5,350,368 km (0.051 R)
• M15: 6,305,101 km (0.115 R)
• M16: 8,069,010 km (0.104 R)
• M17: 8,545,479 km (0.076 R)
• M18: 8,903,616 km (0.091 R)
• M19: 9,040,499 km (0.059 R)
• M20: 15,346,498 km (0.075 R)
• M21: 17,179,819 km (0.075 R)
• M22: 18,112,562 km (0.098 R)
• M23: 19,766,965 km (0.107 R)
• M24: 20,235,057 km (0.097 R)
• M25: 21,274,612 km (0.102 R)
• M26: 25,882,077 km (0.088 R)
• M27: 26,067,878 km (0.107 R)
• M28: 31,639,501 km (0.066 R)
• M29: 33,037,493 km (0.079 R)
• M30: 34,252,228 km (0.098 R)
• M31: 39,778,523 km (0.115 R)
• M32: 42,171,490 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.1

Radius: 3.6

Gravity: 61.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.03 AU - 9.57 AU

Year: 17125 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,286,042 km

• M1: 58,194 km (0.047 R)
• M2: 192,682 km (0.078 R)
• M3: 418,874 km (0.108 R)
• M4: 564,134 km (0.105 R)
• M5: 824,583 km (0.091 R)
• M6: 958,623 km (0.11 R)
• M7: 1,228,647 km (0.103 R)
• M8: 1,843,345 km (0.048 R)
• M9: 2,501,875 km (0.116 R)
• M10: 2,688,423 km (0.119 R)
• M11: 4,463,252 km (0.063 R)
• M12: 7,122,355 km (0.072 R)
• M13: 8,388,701 km (0.074 R)
• M14: 9,020,901 km (0.112 R)
• M15: 9,627,670 km (0.108 R)
• M16: 9,969,800 km (0.101 R)
• M17: 11,933,273 km (0.088 R)
• M18: 13,005,291 km (0.107 R)
• M19: 13,564,637 km (0.084 R)
• M20: 13,994,582 km (0.061 R)
• M21: 18,022,654 km (0.06 R)
• M22: 21,869,713 km (0.103 R)
• M23: 23,983,680 km (0.113 R)
• M24: 26,340,146 km (0.11 R)
• M25: 28,147,887 km (0.103 R)
• M26: 29,437,570 km (0.094 R)
• M27: 30,157,285 km (0.045 R)
• M28: 38,864,928 km (0.066 R)
• M29: 47,451,996 km (0.062 R)
• M30: 56,481,873 km (0.105 R)
• M31: 58,528,222 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit