🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 8.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.66 AU - 0.98 AU

Year: 504 Days

Day: 13.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,253,763 km

• M1: 106,962 km (0.081 R)
• M2: 387,458 km (0.102 R)
• M3: 692,638 km (0.085 R)
• M4: 1,180,626 km (0.113 R)
• M5: 1,669,811 km (0.086 R)
• M6: 2,253,692 km (0.091 R)
• M7: 2,593,578 km (0.029 R)
• M8: 3,140,209 km (0.11 R)
• M9: 3,874,884 km (0.081 R)
• M10: 4,618,385 km (0.079 R)
• M11: 5,154,395 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.09 AU - 1.19 AU

Year: 826 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,253,763 km

• M1: 184,155 km (0.114 R)
• M2: 654,790 km (0.054 R)
• M3: 1,200,972 km (0.094 R)
• M4: 1,790,537 km (0.108 R)
• M5: 2,676,007 km (0.109 R)
• M6: 3,494,008 km (0.086 R)
• M7: 4,696,176 km (0.067 R)
• M8: 5,163,520 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 11

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.21 AU - 1.73 AU

Year: 1209 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,253,763 km

• M1: 136,732 km (0.108 R)
• M2: 861,833 km (0.076 R)
• M3: 1,285,495 km (0.03 R)
• M4: 1,992,344 km (0.114 R)
• M5: 2,887,089 km (0.039 R)
• M6: 3,304,019 km (0.118 R)
• M7: 4,100,627 km (0.115 R)
• M8: 4,554,058 km (0.089 R)
• M9: 5,061,046 km (0.098 R)
• M10: 5,982,120 km (0.093 R)
• M11: 6,935,956 km (0.098 R)
• M12: 7,715,809 km (0.095 R)
• M13: 8,183,153 km (0.093 R)
• M14: 8,904,514 km (0.089 R)
• M15: 9,326,829 km (0.097 R)
• M16: 10,707,916 km (0.105 R)
• M17: 12,184,298 km (0.063 R)
• M18: 12,743,046 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 11.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.23 AU - 3.59 AU

Year: 3367 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,253,763 km

• M1: 143,016 km (0.118 R)
• M2: 579,991 km (0.052 R)
• M3: 1,181,973 km (0.066 R)
• M4: 1,803,103 km (0.098 R)
• M5: 2,321,161 km (0.096 R)
• M6: 2,884,845 km (0.114 R)
• M7: 3,438,956 km (0.067 R)
• M8: 3,804,872 km (0.109 R)
• M9: 4,403,114 km (0.103 R)
• M10: 5,140,332 km (0.11 R)
• M11: 5,511,634 km (0.047 R)
• M12: 5,958,034 km (0.078 R)
• M13: 6,549,993 km (0.064 R)
• M14: 7,083,609 km (0.106 R)
• M15: 10,831,484 km (0.061 R)
• M16: 12,407,498 km (0.091 R)
• M17: 15,402,298 km (0.115 R)
• M18: 15,898,065 km (0.087 R)
• M19: 17,687,704 km (0.098 R)
• M20: 18,292,678 km (0.114 R)
• M21: 18,911,265 km (0.118 R)
• M22: 19,736,447 km (0.057 R)
• M23: 20,453,170 km (0.058 R)
• M24: 22,496,378 km (0.082 R)
• M25: 24,897,125 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816

Radius: 5

Gravity: 32.64 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.66 AU - 12.28 AU

Year: 21352 Days

Day: 22.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,253,763 km

• M1: 62,233 km (0.037 R)
• M2: 498,161 km (0.069 R)
• M3: 819,796 km (0.063 R)
• M4: 1,474,736 km (0.089 R)
• M5: 3,171,026 km (0.111 R)
• M6: 4,681,965 km (0.094 R)
• M7: 6,344,446 km (0.107 R)
• M8: 6,992,204 km (0.114 R)
• M9: 7,683,047 km (0.105 R)
• M10: 7,888,595 km (0.05 R)
• M11: 8,097,733 km (0.107 R)
• M12: 10,776,731 km (0.086 R)
• M13: 11,034,339 km (0.098 R)
• M14: 17,265,539 km (0.1 R)
• M15: 18,521,712 km (0.07 R)
• M16: 18,798,618 km (0.116 R)
• M17: 19,266,261 km (0.107 R)
• M18: 23,290,144 km (0.051 R)
• M19: 26,301,849 km (0.106 R)
• M20: 27,241,623 km (0.115 R)
• M21: 34,178,626 km (0.092 R)
• M22: 35,580,507 km (0.112 R)
• M23: 36,295,585 km (0.096 R)
• M24: 37,754,463 km (0.052 R)
• M25: 44,474,400 km (0.117 R)
• M26: 46,143,912 km (0.096 R)
• M27: 46,482,751 km (0.091 R)
• M28: 49,607,252 km (0.106 R)
• M29: 58,816,497 km (0.056 R)
• M30: 59,614,901 km (0.108 R)
• M31: 61,847,948 km (0.07 R)
• M32: 64,769,745 km (0.064 R)
• M33: 71,564,181 km (0.062 R)
• M34: 77,856,117 km (0.026 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 12,830 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit