🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.9

Radius: 12.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 5.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,081,679 km

• M1: 156,629 km (0.072 R)
• M2: 553,512 km (0.089 R)
• M3: 974,032 km (0.069 R)
• M4: 1,385,575 km (0.096 R)
• M5: 1,852,470 km (0.073 R)
• M6: 2,450,413 km (0.11 R)
• M7: 3,247,022 km (0.106 R)
• M8: 3,764,032 km (0.089 R)
• M9: 4,196,968 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 11

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 387 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,081,679 km

• M1: 136,882 km (0.108 R)
• M2: 662,719 km (0.051 R)
• M3: 1,040,603 km (0.068 R)
• M4: 1,500,616 km (0.116 R)
• M5: 1,911,562 km (0.099 R)
• M6: 2,790,299 km (0.107 R)
• M7: 3,170,428 km (0.048 R)
• M8: 3,793,503 km (0.044 R)
• M9: 4,357,487 km (0.108 R)
• M10: 4,857,144 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 9.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.13 AU - 1.61 AU

Year: 1107 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,081,679 km

• M1: 151,842 km (0.07 R)
• M2: 1,097,001 km (0.032 R)
• M3: 1,738,626 km (0.101 R)
• M4: 2,297,524 km (0.095 R)
• M5: 2,998,091 km (0.102 R)
• M6: 6,658,601 km (0.036 R)
• M7: 7,822,173 km (0.114 R)
• M8: 8,439,414 km (0.088 R)
• M9: 9,227,945 km (0.12 R)
• M10: 9,712,642 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 9.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2 AU - 2.54 AU

Year: 2361 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,081,679 km

• M1: 116,088 km (0.04 R)
• M2: 530,474 km (0.067 R)
• M3: 1,027,588 km (0.082 R)
• M4: 1,927,569 km (0.08 R)
• M5: 2,416,305 km (0.035 R)
• M6: 2,870,185 km (0.111 R)
• M7: 3,171,924 km (0.103 R)
• M8: 3,465,883 km (0.106 R)
• M9: 4,044,678 km (0.112 R)
• M10: 4,476,866 km (0.061 R)
• M11: 5,125,971 km (0.05 R)
• M12: 6,999,684 km (0.098 R)
• M13: 7,673,473 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 14.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.27 AU - 2.27 AU

Year: 2361 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 66.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,081,679 km

• M1: 181,612 km (0.043 R)
• M2: 661,671 km (0.095 R)
• M3: 1,396,795 km (0.116 R)
• M4: 1,915,451 km (0.106 R)
• M5: 3,185,986 km (0.106 R)
• M6: 3,764,630 km (0.049 R)
• M7: 4,343,275 km (0.041 R)
• M8: 5,213,935 km (0.092 R)
• M9: 5,914,202 km (0.107 R)
• M10: 7,228,868 km (0.085 R)
• M11: 7,837,732 km (0.085 R)
• M12: 10,180,733 km (0.102 R)
• M13: 10,881,749 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 8.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.65 AU - 2.69 AU

Year: 3011 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,081,679 km

• M1: 100,679 km (0.096 R)
• M2: 371,751 km (0.042 R)
• M3: 654,191 km (0.065 R)
• M4: 1,270,535 km (0.099 R)
• M5: 1,600,248 km (0.03 R)
• M6: 2,337,168 km (0.095 R)
• M7: 2,916,111 km (0.114 R)
• M8: 3,774,953 km (0.037 R)
• M9: 5,185,361 km (0.105 R)
• M10: 6,114,663 km (0.091 R)
• M11: 6,493,894 km (0.068 R)
• M12: 6,917,406 km (0.095 R)
• M13: 7,788,514 km (0.088 R)
• M14: 8,463,649 km (0.079 R)
• M15: 8,798,599 km (0.071 R)
• M16: 9,352,859 km (0.117 R)
• M17: 9,674,793 km (0.042 R)
• M18: 11,275,790 km (0.112 R)
• M19: 12,652,090 km (0.079 R)
• M20: 12,913,887 km (0.109 R)
• M21: 14,183,673 km (0.067 R)
• M22: 14,945,725 km (0.077 R)
• M23: 16,088,353 km (0.115 R)
• M24: 17,234,871 km (0.064 R)
• M25: 18,434,946 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 12

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.43 AU - 3.81 AU

Year: 3804 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,081,679 km

• M1: 150,346 km (0.055 R)
• M2: 714,779 km (0.085 R)
• M3: 1,690,157 km (0.055 R)
• M4: 2,089,433 km (0.081 R)
• M5: 2,670,771 km (0.1 R)
• M6: 4,180,812 km (0.109 R)
• M7: 4,763,047 km (0.118 R)
• M8: 6,171,062 km (0.09 R)
• M9: 10,508,502 km (0.101 R)
• M10: 15,924,843 km (0.066 R)
• M11: 16,337,733 km (0.091 R)
• M12: 19,725,078 km (0.058 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 13,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit