🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.1

Radius: 14.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.62 AU - 0.78 AU

Year: 384 Days

Day: 9.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,481,095 km

• M1: 175,478 km (0.093 R)
• M2: 876,195 km (0.045 R)
• M3: 1,901,838 km (0.111 R)
• M4: 2,454,602 km (0.072 R)
• M5: 3,044,167 km (0.067 R)
• M6: 3,536,494 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 8.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.68 AU - 1.06 AU

Year: 532 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,481,095 km

• M1: 107,710 km (0.095 R)
• M2: 624,870 km (0.108 R)
• M3: 1,125,275 km (0.116 R)
• M4: 1,487,751 km (0.115 R)
• M5: 2,029,445 km (0.065 R)
• M6: 2,327,444 km (0.102 R)
• M7: 2,629,931 km (0.069 R)
• M8: 3,246,872 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.6

Radius: 12.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.96 AU - 1.02 AU

Year: 646 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,481,095 km

• M1: 152,291 km (0.058 R)
• M2: 552,465 km (0.11 R)
• M3: 945,010 km (0.119 R)
• M4: 1,392,307 km (0.084 R)
• M5: 1,830,779 km (0.104 R)
• M6: 2,404,337 km (0.095 R)
• M7: 3,115,974 km (0.115 R)
• M8: 3,600,821 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 13.8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.21 AU - 1.49 AU

Year: 1029 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,481,095 km

• M1: 171,738 km (0.102 R)
• M2: 875,447 km (0.071 R)
• M3: 1,416,692 km (0.061 R)
• M4: 2,048,593 km (0.087 R)
• M5: 2,810,046 km (0.094 R)
• M6: 3,405,147 km (0.12 R)
• M7: 3,888,797 km (0.069 R)
• M8: 4,418,373 km (0.074 R)
• M9: 5,397,342 km (0.051 R)
• M10: 6,342,052 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568

Radius: 4.6

Gravity: 26.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.31 AU - 10.13 AU

Year: 15460 Days

Day: 19.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 34,481,095 km

• M1: 57,146 km (0.118 R)
• M2: 205,248 km (0.076 R)
• M3: 476,320 km (0.073 R)
• M4: 689,048 km (0.083 R)
• M5: 847,921 km (0.084 R)
• M6: 1,335,610 km (0.096 R)
• M7: 1,479,224 km (0.06 R)
• M8: 1,780,663 km (0.118 R)
• M9: 2,910,726 km (0.072 R)
• M10: 3,054,938 km (0.105 R)
• M11: 3,203,938 km (0.094 R)
• M12: 3,736,356 km (0.094 R)
• M13: 4,610,008 km (0.071 R)
• M14: 5,181,173 km (0.11 R)
• M15: 5,502,060 km (0.071 R)
• M16: 6,105,239 km (0.1 R)
• M17: 9,165,413 km (0.08 R)
• M18: 9,320,097 km (0.083 R)
• M19: 11,080,116 km (0.08 R)
• M20: 12,286,024 km (0.112 R)
• M21: 12,791,964 km (0.053 R)
• M22: 13,913,051 km (0.114 R)
• M23: 14,186,067 km (0.075 R)
• M24: 14,884,240 km (0.077 R)
• M25: 17,429,498 km (0.079 R)
• M26: 17,906,865 km (0.092 R)
• M27: 22,979,879 km (0.053 R)
• M28: 31,086,737 km (0.082 R)
• M29: 31,553,332 km (0.055 R)
• M30: 32,143,047 km (0.048 R)
• M31: 33,833,653 km (0.119 R)
• M32: 34,575,957 km (0.098 R)
• M33: 36,998,097 km (0.026 R)
• M34: 39,395,103 km (0.111 R)
• M35: 43,616,456 km (0.109 R)
• M36: 52,613,571 km (0.108 R)
• M37: 54,956,423 km (0.112 R)
• M38: 56,845,396 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.8

Radius: 3.3

Gravity: 31.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.32 AU - 11 AU

Year: 18187 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,481,095 km

• M1: 40,990 km (0.105 R)
• M2: 369,806 km (0.114 R)
• M3: 585,825 km (0.112 R)
• M4: 700,567 km (0.094 R)
• M5: 1,090,269 km (0.093 R)
• M6: 1,473,838 km (0.119 R)
• M7: 3,676,667 km (0.096 R)
• M8: 4,012,813 km (0.06 R)
• M9: 4,278,200 km (0.112 R)
• M10: 4,681,965 km (0.119 R)
• M11: 6,160,291 km (0.112 R)
• M12: 7,004,621 km (0.118 R)
• M13: 8,014,706 km (0.028 R)
• M14: 8,293,257 km (0.101 R)
• M15: 8,482,648 km (0.029 R)
• M16: 8,968,692 km (0.091 R)
• M17: 9,889,766 km (0.094 R)
• M18: 10,648,376 km (0.096 R)
• M19: 11,444,985 km (0.066 R)
• M20: 11,857,875 km (0.087 R)
• M21: 12,713,276 km (0.067 R)
• M22: 13,806,238 km (0.115 R)
• M23: 17,151,097 km (0.105 R)
• M24: 17,458,371 km (0.095 R)
• M25: 18,242,862 km (0.103 R)
• M26: 18,805,799 km (0.099 R)
• M27: 20,998,006 km (0.083 R)
• M28: 26,184,564 km (0.077 R)
• M29: 28,692,722 km (0.051 R)
• M30: 30,450,946 km (0.049 R)
• M31: 32,163,243 km (0.077 R)
• M32: 35,405,178 km (0.114 R)
• M33: 35,778,276 km (0.075 R)
• M34: 36,913,424 km (0.057 R)
• M35: 37,041,031 km (0.088 R)
• M36: 39,255,229 km (0.072 R)
• M37: 42,950,596 km (0.11 R)
• M38: 47,773,631 km (0.035 R)
• M39: 53,759,940 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.6

Radius: 3.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.22 AU - 10.22 AU

Year: 18366 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,481,095 km

• M1: 45,478 km (0.062 R)
• M2: 320,289 km (0.115 R)
• M3: 463,753 km (0.077 R)
• M4: 776,712 km (0.112 R)
• M5: 1,890,019 km (0.081 R)
• M6: 3,120,462 km (0.082 R)
• M7: 6,938,948 km (0.043 R)
• M8: 8,015,903 km (0.119 R)
• M9: 11,113,327 km (0.116 R)
• M10: 12,317,889 km (0.032 R)
• M11: 15,643,898 km (0.109 R)
• M12: 20,092,939 km (0.046 R)
• M13: 21,417,628 km (0.039 R)
• M14: 27,743,823 km (0.094 R)
• M15: 28,283,422 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 16,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit