🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.54 AU - 0.56 AU

Year: 157 Days

Day: 31.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 12.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.33 AU - 4.77 AU

Year: 3737 Days

Day: 8.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,202,167 km

• M1: 151,543 km (0.078 R)
• M2: 593,305 km (0.111 R)
• M3: 1,125,126 km (0.097 R)
• M4: 1,598,902 km (0.059 R)
• M5: 2,338,215 km (0.064 R)
• M6: 3,218,149 km (0.076 R)
• M7: 3,992,019 km (0.077 R)
• M8: 4,399,973 km (0.12 R)
• M9: 5,090,516 km (0.098 R)
• M10: 5,544,247 km (0.085 R)
• M11: 6,411,017 km (0.11 R)
• M12: 7,602,115 km (0.06 R)
• M13: 9,204,458 km (0.094 R)
• M14: 9,921,032 km (0.115 R)
• M15: 10,546,201 km (0.111 R)
• M16: 13,971,693 km (0.059 R)
• M17: 15,684,140 km (0.089 R)
• M18: 16,998,656 km (0.076 R)
• M19: 21,314,106 km (0.077 R)
• M20: 21,726,847 km (0.07 R)
• M21: 22,355,906 km (0.066 R)
• M22: 25,685,206 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.3

Radius: 14.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.25 AU - 8.85 AU

Year: 8794 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,202,167 km

• M1: 184,005 km (0.075 R)
• M2: 835,953 km (0.03 R)
• M3: 2,285,556 km (0.113 R)
• M4: 4,326,670 km (0.049 R)
• M5: 5,108,318 km (0.083 R)
• M6: 7,760,240 km (0.064 R)
• M7: 10,697,145 km (0.066 R)
• M8: 13,629,264 km (0.093 R)
• M9: 16,358,228 km (0.037 R)
• M10: 17,585,379 km (0.108 R)
• M11: 20,441,502 km (0.113 R)
• M12: 26,881,840 km (0.09 R)
• M13: 34,145,116 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 10.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7 AU - 9.1 AU

Year: 8794 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,202,167 km

• M1: 134,788 km (0.082 R)
• M2: 477,965 km (0.114 R)
• M3: 888,611 km (0.11 R)
• M4: 1,942,379 km (0.103 R)
• M5: 6,616,863 km (0.086 R)
• M6: 7,273,299 km (0.114 R)
• M7: 7,656,269 km (0.066 R)
• M8: 9,640,835 km (0.094 R)
• M9: 12,158,717 km (0.096 R)
• M10: 12,590,007 km (0.11 R)
• M11: 13,887,320 km (0.037 R)
• M12: 14,779,970 km (0.101 R)
• M13: 15,521,527 km (0.108 R)
• M14: 16,679,863 km (0.046 R)
• M15: 17,483,503 km (0.077 R)
• M16: 20,124,654 km (0.087 R)
• M17: 28,953,471 km (0.093 R)
• M18: 31,204,470 km (0.119 R)
• M19: 32,527,215 km (0.095 R)
• M20: 34,850,170 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.9

Radius: 5.8

Gravity: 22.2 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 13.15 AU - 15.25 AU

Year: 20602 Days

Day: 23.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 52,202,167 km

• M1: 73,153 km (0.092 R)
• M2: 457,321 km (0.078 R)
• M3: 811,269 km (0.086 R)
• M4: 1,304,194 km (0.096 R)
• M5: 1,591,123 km (0.096 R)
• M6: 2,292,139 km (0.099 R)
• M7: 3,733,813 km (0.107 R)
• M8: 5,492,336 km (0.114 R)
• M9: 6,241,822 km (0.076 R)
• M10: 8,357,734 km (0.106 R)
• M11: 8,625,065 km (0.117 R)
• M12: 9,403,872 km (0.102 R)
• M13: 11,228,816 km (0.039 R)
• M14: 11,953,319 km (0.104 R)
• M15: 12,361,422 km (0.072 R)
• M16: 12,920,020 km (0.105 R)
• M17: 19,184,132 km (0.06 R)
• M18: 19,743,478 km (0.09 R)
• M19: 20,797,096 km (0.052 R)
• M20: 23,015,932 km (0.051 R)
• M21: 24,290,206 km (0.111 R)
• M22: 25,948,499 km (0.061 R)
• M23: 26,747,501 km (0.061 R)
• M24: 28,274,895 km (0.032 R)
• M25: 28,514,850 km (0.11 R)
• M26: 29,365,613 km (0.073 R)
• M27: 30,484,306 km (0.11 R)
• M28: 42,170,593 km (0.057 R)
• M29: 44,559,072 km (0.091 R)
• M30: 46,700,715 km (0.109 R)
• M31: 47,373,158 km (0.103 R)
• M32: 47,881,790 km (0.098 R)
• M33: 48,737,490 km (0.118 R)
• M34: 51,010,181 km (0.074 R)
• M35: 55,765,449 km (0.11 R)
• M36: 58,444,447 km (0.102 R)
• M37: 60,409,715 km (0.118 R)
• M38: 61,408,729 km (0.109 R)
• M39: 63,439,520 km (0.103 R)
• M40: 67,420,619 km (0.079 R)
• M41: 72,011,029 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.5

Radius: 7.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 12.55 AU - 19.25 AU

Year: 24410 Days

Day: 17.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,202,167 km

• M1: 100,530 km (0.065 R)
• M2: 836,701 km (0.102 R)
• M3: 2,146,131 km (0.11 R)
• M4: 3,876,380 km (0.104 R)
• M5: 4,357,487 km (0.101 R)
• M6: 5,473,337 km (0.108 R)
• M7: 6,689,718 km (0.043 R)
• M8: 8,486,388 km (0.039 R)
• M9: 9,005,642 km (0.036 R)
• M10: 23,516,636 km (0.104 R)
• M11: 29,249,076 km (0.118 R)
• M12: 51,734,684 km (0.041 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: 326 - 11,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit