🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 13.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.4 AU - 3.08 AU

Year: 2975 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,872,789 km

• M1: 173,085 km (0.112 R)
• M2: 743,352 km (0.11 R)
• M3: 1,298,510 km (0.118 R)
• M4: 2,003,564 km (0.11 R)
• M5: 2,607,940 km (0.112 R)
• M6: 3,191,371 km (0.057 R)
• M7: 3,647,196 km (0.084 R)
• M8: 4,623,771 km (0.081 R)
• M9: 5,953,846 km (0.118 R)
• M10: 6,679,246 km (0.093 R)
• M11: 9,105,873 km (0.103 R)
• M12: 10,302,057 km (0.104 R)
• M13: 12,071,351 km (0.073 R)
• M14: 14,917,900 km (0.098 R)
• M15: 16,204,591 km (0.111 R)
• M16: 16,685,548 km (0.045 R)
• M17: 19,234,845 km (0.117 R)
• M18: 19,895,619 km (0.066 R)
• M19: 21,072,506 km (0.037 R)
• M20: 21,517,559 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 10.3

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.94 AU - 4.42 AU

Year: 4631 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,872,789 km

• M1: 128,056 km (0.094 R)
• M2: 455,825 km (0.105 R)
• M3: 886,367 km (0.1 R)
• M4: 1,425,069 km (0.077 R)
• M5: 2,127,282 km (0.096 R)
• M6: 2,507,111 km (0.078 R)
• M7: 3,084,558 km (0.1 R)
• M8: 3,595,585 km (0.102 R)
• M9: 4,505,289 km (0.117 R)
• M10: 5,192,392 km (0.093 R)
• M11: 6,545,206 km (0.096 R)
• M12: 7,970,425 km (0.107 R)
• M13: 9,056,057 km (0.039 R)
• M14: 15,416,210 km (0.069 R)
• M15: 25,282,339 km (0.089 R)
• M16: 26,847,283 km (0.069 R)
• M17: 28,040,924 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 9.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.9 AU - 5.68 AU

Year: 7982 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,872,789 km

• M1: 127,906 km (0.064 R)
• M2: 527,482 km (0.08 R)
• M3: 935,286 km (0.093 R)
• M4: 2,355,867 km (0.107 R)
• M5: 5,246,697 km (0.071 R)
• M6: 5,779,863 km (0.076 R)
• M7: 11,427,931 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 15

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.56 AU - 6.38 AU

Year: 8392 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,872,789 km

• M1: 192,682 km (0.085 R)
• M2: 1,325,437 km (0.119 R)
• M3: 2,154,658 km (0.082 R)
• M4: 4,225,841 km (0.103 R)
• M5: 4,989,538 km (0.061 R)
• M6: 8,877,437 km (0.115 R)
• M7: 10,828,492 km (0.103 R)
• M8: 11,704,089 km (0.102 R)
• M9: 14,043,799 km (0.042 R)
• M10: 25,188,093 km (0.04 R)
• M11: 34,943,519 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.7

Radius: 7.2

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.93 AU - 11.37 AU

Year: 21213 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,872,789 km

• M1: 99,333 km (0.07 R)
• M2: 331,658 km (0.114 R)
• M3: 684,709 km (0.115 R)
• M4: 923,767 km (0.068 R)
• M5: 2,415,258 km (0.079 R)
• M6: 2,677,054 km (0.099 R)
• M7: 4,215,070 km (0.061 R)
• M8: 5,269,286 km (0.105 R)
• M9: 6,579,913 km (0.087 R)
• M10: 6,998,039 km (0.038 R)
• M11: 8,629,553 km (0.057 R)
• M12: 10,008,846 km (0.059 R)
• M13: 12,908,800 km (0.102 R)
• M14: 13,712,889 km (0.113 R)
• M15: 17,005,239 km (0.084 R)
• M16: 18,787,548 km (0.103 R)
• M17: 20,887,902 km (0.116 R)
• M18: 21,285,982 km (0.116 R)
• M19: 24,876,331 km (0.057 R)
• M20: 31,506,060 km (0.075 R)
• M21: 36,286,160 km (0.072 R)
• M22: 37,882,818 km (0.112 R)
• M23: 40,750,161 km (0.091 R)
• M24: 50,036,897 km (0.036 R)
• M25: 57,861,016 km (0.115 R)
• M26: 60,841,753 km (0.074 R)
• M27: 71,065,870 km (0.03 R)
• M28: 80,170,845 km (0.091 R)
• M29: 82,872,732 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 13,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit