🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.2

Radius: 13.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.79 AU - 1.01 AU

Year: 543 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,223,489 km

• M1: 162,912 km (0.071 R)
• M2: 586,124 km (0.029 R)
• M3: 1,015,770 km (0.114 R)
• M4: 1,427,014 km (0.081 R)
• M5: 2,289,745 km (0.069 R)
• M6: 2,746,916 km (0.07 R)
• M7: 3,357,724 km (0.115 R)
• M8: 3,835,540 km (0.112 R)
• M9: 4,587,120 km (0.103 R)
• M10: 5,616,502 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 8.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.97 AU - 0.97 AU

Year: 607 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 27,223,489 km

• M1: 197,918 km (0.111 R)
• M2: 541,544 km (0.089 R)
• M3: 1,014,722 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 14.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.4 AU - 2.21 AU

Year: 1535 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,223,489 km

• M1: 202,256 km (0.086 R)
• M2: 721,062 km (0.083 R)
• M3: 1,806,394 km (0.057 R)
• M4: 2,344,199 km (0.12 R)
• M5: 2,878,413 km (0.049 R)
• M6: 5,116,098 km (0.077 R)
• M7: 6,666,829 km (0.101 R)
• M8: 9,445,011 km (0.077 R)
• M9: 10,444,325 km (0.085 R)
• M10: 11,656,217 km (0.105 R)
• M11: 12,129,545 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 11.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.9 AU - 1.94 AU

Year: 1692 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,223,489 km

• M1: 147,952 km (0.084 R)
• M2: 558,299 km (0.089 R)
• M3: 973,284 km (0.12 R)
• M4: 1,392,307 km (0.118 R)
• M5: 1,903,334 km (0.084 R)
• M6: 2,489,309 km (0.089 R)
• M7: 2,981,186 km (0.117 R)
• M8: 3,568,657 km (0.079 R)
• M9: 4,483,448 km (0.051 R)
• M10: 4,976,523 km (0.078 R)
• M11: 5,359,793 km (0.059 R)
• M12: 6,254,537 km (0.087 R)
• M13: 6,725,920 km (0.078 R)
• M14: 7,297,235 km (0.086 R)
• M15: 8,679,968 km (0.105 R)
• M16: 9,632,756 km (0.08 R)
• M17: 10,424,428 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.1

Radius: 12.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.05 AU - 2.29 AU

Year: 2032 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,223,489 km

• M1: 160,519 km (0.07 R)
• M2: 723,754 km (0.101 R)
• M3: 1,380,938 km (0.118 R)
• M4: 1,872,517 km (0.116 R)
• M5: 2,560,966 km (0.041 R)
• M6: 3,315,089 km (0.059 R)
• M7: 5,630,265 km (0.104 R)
• M8: 6,694,954 km (0.063 R)
• M9: 7,151,377 km (0.104 R)
• M10: 8,430,139 km (0.077 R)
• M11: 9,485,253 km (0.077 R)
• M12: 9,993,138 km (0.101 R)
• M13: 11,896,172 km (0.068 R)
• M14: 12,974,623 km (0.041 R)
• M15: 14,423,927 km (0.103 R)
• M16: 15,556,683 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 9.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.83 AU - 3.71 AU

Year: 3760 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,223,489 km

• M1: 116,836 km (0.114 R)
• M2: 418,425 km (0.113 R)
• M3: 773,870 km (0.08 R)
• M4: 1,072,766 km (0.115 R)
• M5: 1,619,098 km (0.057 R)
• M6: 2,010,745 km (0.116 R)
• M7: 2,465,373 km (0.117 R)
• M8: 3,768,221 km (0.091 R)
• M9: 6,016,228 km (0.094 R)
• M10: 6,524,113 km (0.118 R)
• M11: 7,289,755 km (0.111 R)
• M12: 9,268,934 km (0.077 R)
• M13: 9,623,930 km (0.113 R)
• M14: 11,537,137 km (0.118 R)
• M15: 12,321,778 km (0.11 R)
• M16: 13,590,219 km (0.073 R)
• M17: 14,360,348 km (0.063 R)
• M18: 17,256,862 km (0.057 R)
• M19: 19,412,418 km (0.095 R)
• M20: 19,994,354 km (0.086 R)
• M21: 20,922,908 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.8

Radius: 10.8

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.86 AU - 3.74 AU

Year: 3812 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,223,489 km

• M1: 134,339 km (0.088 R)
• M2: 722,558 km (0.058 R)
• M3: 1,143,676 km (0.078 R)
• M4: 2,395,062 km (0.033 R)
• M5: 3,727,680 km (0.119 R)
• M6: 4,447,395 km (0.117 R)
• M7: 5,311,173 km (0.088 R)
• M8: 5,669,610 km (0.096 R)
• M9: 7,642,506 km (0.041 R)
• M10: 8,318,240 km (0.109 R)
• M11: 8,879,531 km (0.067 R)
• M12: 9,505,748 km (0.08 R)
• M13: 10,586,144 km (0.072 R)
• M14: 13,338,745 km (0.089 R)
• M15: 14,056,066 km (0.119 R)
• M16: 15,015,886 km (0.104 R)
• M17: 16,018,790 km (0.073 R)
• M18: 17,788,683 km (0.115 R)
• M19: 19,038,872 km (0.079 R)
• M20: 20,954,323 km (0.086 R)
• M21: 22,348,127 km (0.064 R)
• M22: 24,026,316 km (0.039 R)
• M23: 24,477,503 km (0.091 R)
• M24: 26,339,398 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 12,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit