🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 8.9

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 13.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,210,903 km

• M1: 110,702 km (0.102 R)
• M2: 390,450 km (0.07 R)
• M3: 775,366 km (0.074 R)
• M4: 1,118,992 km (0.03 R)
• M5: 1,469,350 km (0.037 R)
• M6: 1,860,998 km (0.109 R)
• M7: 2,168,720 km (0.116 R)
• M8: 2,751,404 km (0.089 R)
• M9: 3,187,631 km (0.114 R)
• M10: 3,941,455 km (0.097 R)
• M11: 4,703,806 km (0.101 R)
• M12: 5,167,858 km (0.097 R)
• M13: 5,527,492 km (0.11 R)
• M14: 5,834,018 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 8.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,210,903 km

• M1: 103,223 km (0.069 R)
• M2: 401,969 km (0.112 R)
• M3: 990,188 km (0.063 R)
• M4: 1,535,323 km (0.107 R)
• M5: 2,167,823 km (0.08 R)
• M6: 2,595,074 km (0.05 R)
• M7: 2,982,234 km (0.037 R)
• M8: 3,760,890 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 10.8

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.29 AU - 1.31 AU

Year: 1005 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,210,903 km

• M1: 135,386 km (0.079 R)
• M2: 511,924 km (0.114 R)
• M3: 945,907 km (0.096 R)
• M4: 1,291,778 km (0.109 R)
• M5: 1,733,091 km (0.098 R)
• M6: 2,263,416 km (0.08 R)
• M7: 3,045,962 km (0.05 R)
• M8: 3,397,218 km (0.081 R)
• M9: 5,378,791 km (0.073 R)
• M10: 6,512,893 km (0.072 R)
• M11: 6,861,157 km (0.12 R)
• M12: 7,246,371 km (0.083 R)
• M13: 8,765,687 km (0.054 R)
• M14: 10,083,196 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 14.7

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.19 AU - 3.41 AU

Year: 3178 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,210,903 km

• M1: 182,809 km (0.087 R)
• M2: 724,802 km (0.055 R)
• M3: 1,485,058 km (0.113 R)
• M4: 2,468,664 km (0.119 R)
• M5: 3,243,880 km (0.111 R)
• M6: 3,835,839 km (0.107 R)
• M7: 5,005,096 km (0.115 R)
• M8: 5,684,719 km (0.1 R)
• M9: 6,301,661 km (0.118 R)
• M10: 9,229,590 km (0.03 R)
• M11: 11,135,766 km (0.072 R)
• M12: 12,028,417 km (0.104 R)
• M13: 12,728,834 km (0.118 R)
• M14: 13,292,369 km (0.093 R)
• M15: 13,914,547 km (0.111 R)
• M16: 14,686,771 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.7

Radius: 7.8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.02 AU - 8.68 AU

Year: 14917 Days

Day: 22 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,210,903 km

• M1: 97,239 km (0.036 R)
• M2: 496,665 km (0.093 R)
• M3: 1,085,333 km (0.107 R)
• M4: 1,383,930 km (0.084 R)
• M5: 1,785,301 km (0.042 R)
• M6: 2,040,814 km (0.094 R)
• M7: 2,669,125 km (0.104 R)
• M8: 6,283,410 km (0.1 R)
• M9: 7,004,172 km (0.12 R)
• M10: 8,141,116 km (0.095 R)
• M11: 12,964,899 km (0.108 R)
• M12: 16,445,144 km (0.072 R)
• M13: 17,193,732 km (0.068 R)
• M14: 19,410,773 km (0.105 R)
• M15: 26,477,626 km (0.086 R)
• M16: 29,640,125 km (0.116 R)
• M17: 31,085,540 km (0.114 R)
• M18: 32,344,855 km (0.073 R)
• M19: 37,851,552 km (0.061 R)
• M20: 45,829,158 km (0.109 R)
• M21: 49,742,638 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.8

Radius: 5.3

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.13 AU - 8.81 AU

Year: 15261 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,210,903 km

• M1: 65,973 km (0.079 R)
• M2: 254,466 km (0.12 R)
• M3: 782,696 km (0.092 R)
• M4: 974,481 km (0.059 R)
• M5: 1,197,681 km (0.088 R)
• M6: 1,513,482 km (0.071 R)
• M7: 1,781,411 km (0.096 R)
• M8: 2,155,406 km (0.106 R)
• M9: 2,645,339 km (0.072 R)
• M10: 4,592,804 km (0.098 R)
• M11: 6,258,128 km (0.118 R)
• M12: 7,334,036 km (0.09 R)
• M13: 8,383,913 km (0.094 R)
• M14: 8,624,766 km (0.097 R)
• M15: 9,792,677 km (0.109 R)
• M16: 23,059,165 km (0.116 R)
• M17: 28,085,355 km (0.029 R)
• M18: 31,774,588 km (0.118 R)
• M19: 39,690,110 km (0.091 R)
• M20: 42,453,632 km (0.106 R)
• M21: 43,450,402 km (0.096 R)
• M22: 53,297,533 km (0.075 R)
• M23: 55,295,562 km (0.067 R)
• M24: 56,655,107 km (0.082 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: 312 - 16,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit