🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.2

Radius: 12.7

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.66 AU - 0.88 AU

Year: 430 Days

Day: 10.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,961,789 km

• M1: 157,975 km (0.081 R)
• M2: 579,542 km (0.072 R)
• M3: 1,402,480 km (0.11 R)
• M4: 2,092,276 km (0.059 R)
• M5: 2,657,157 km (0.099 R)
• M6: 3,346,504 km (0.064 R)
• M7: 3,892,387 km (0.084 R)
• M8: 4,307,970 km (0.063 R)
• M9: 5,931,855 km (0.117 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 8.6

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.41 AU - 1.83 AU

Year: 1311 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,961,789 km

• M1: 106,962 km (0.055 R)
• M2: 571,613 km (0.076 R)
• M3: 978,071 km (0.078 R)
• M4: 1,252,882 km (0.112 R)
• M5: 2,482,726 km (0.107 R)
• M6: 2,761,427 km (0.117 R)
• M7: 4,111,099 km (0.108 R)
• M8: 4,843,081 km (0.11 R)
• M9: 6,100,152 km (0.092 R)
• M10: 6,564,055 km (0.079 R)
• M11: 7,126,244 km (0.082 R)
• M12: 8,686,849 km (0.101 R)
• M13: 9,125,021 km (0.093 R)
• M14: 11,506,021 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 15

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.74 AU - 2.74 AU

Year: 2132 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,961,789 km

• M1: 186,848 km (0.086 R)
• M2: 674,836 km (0.082 R)
• M3: 1,232,537 km (0.119 R)
• M4: 1,711,998 km (0.09 R)
• M5: 2,385,039 km (0.068 R)
• M6: 3,165,940 km (0.118 R)
• M7: 4,035,403 km (0.077 R)
• M8: 4,947,351 km (0.075 R)
• M9: 6,172,408 km (0.072 R)
• M10: 6,732,353 km (0.039 R)
• M11: 7,210,468 km (0.083 R)
• M12: 8,717,517 km (0.072 R)
• M13: 12,390,294 km (0.069 R)
• M14: 14,085,836 km (0.097 R)
• M15: 15,395,416 km (0.111 R)
• M16: 17,093,053 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.6

Radius: 7.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.75 AU - 6.69 AU

Year: 9863 Days

Day: 16.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,961,789 km

• M1: 93,349 km (0.112 R)
• M2: 632,949 km (0.095 R)
• M3: 1,042,248 km (0.046 R)
• M4: 1,683,126 km (0.1 R)
• M5: 2,075,521 km (0.105 R)
• M6: 2,510,402 km (0.086 R)
• M7: 5,802,453 km (0.067 R)
• M8: 7,040,674 km (0.102 R)
• M9: 8,723,949 km (0.032 R)
• M10: 12,451,928 km (0.086 R)
• M11: 13,179,722 km (0.107 R)
• M12: 14,549,440 km (0.104 R)
• M13: 15,652,126 km (0.115 R)
• M14: 19,430,519 km (0.058 R)
• M15: 21,419,722 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.4

Radius: 4.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.84 AU - 7.26 AU

Year: 11902 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,961,789 km

• M1: 59,241 km (0.108 R)
• M2: 203,304 km (0.11 R)
• M3: 960,867 km (0.091 R)
• M4: 2,341,207 km (0.082 R)
• M5: 2,517,283 km (0.104 R)
• M6: 5,689,357 km (0.109 R)
• M7: 6,683,434 km (0.116 R)
• M8: 7,595,832 km (0.08 R)
• M9: 7,983,141 km (0.081 R)
• M10: 11,268,310 km (0.106 R)
• M11: 11,771,707 km (0.058 R)
• M12: 15,477,246 km (0.091 R)
• M13: 16,098,975 km (0.062 R)
• M14: 18,613,865 km (0.098 R)
• M15: 19,891,730 km (0.07 R)
• M16: 22,541,557 km (0.036 R)
• M17: 22,779,118 km (0.083 R)
• M18: 24,655,973 km (0.09 R)
• M19: 24,992,568 km (0.111 R)
• M20: 25,417,576 km (0.119 R)
• M21: 26,282,102 km (0.108 R)
• M22: 26,721,620 km (0.077 R)
• M23: 34,541,550 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.3

Radius: 3.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.9 AU - 10.34 AU

Year: 16091 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,961,789 km

• M1: 49,517 km (0.069 R)
• M2: 1,213,239 km (0.114 R)
• M3: 2,592,531 km (0.093 R)
• M4: 3,171,475 km (0.092 R)
• M5: 3,548,611 km (0.081 R)
• M6: 4,182,008 km (0.11 R)
• M7: 4,802,540 km (0.077 R)
• M8: 5,512,981 km (0.068 R)
• M9: 6,496,437 km (0.083 R)
• M10: 7,102,757 km (0.117 R)
• M11: 10,469,158 km (0.111 R)
• M12: 11,200,393 km (0.115 R)
• M13: 11,861,316 km (0.077 R)
• M14: 14,946,024 km (0.075 R)
• M15: 21,307,973 km (0.115 R)
• M16: 30,904,227 km (0.069 R)
• M17: 32,503,279 km (0.094 R)
• M18: 33,014,156 km (0.067 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 13,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit