🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.1

Radius: 13.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,568,651 km

• M1: 169,195 km (0.057 R)
• M2: 795,262 km (0.099 R)
• M3: 1,629,869 km (0.09 R)
• M4: 2,209,860 km (0.056 R)
• M5: 4,540,295 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 12.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.99 AU - 1.37 AU

Year: 885 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,568,651 km

• M1: 155,881 km (0.06 R)
• M2: 550,819 km (0.107 R)
• M3: 947,852 km (0.11 R)
• M4: 1,413,849 km (0.078 R)
• M5: 1,845,290 km (0.074 R)
• M6: 2,290,792 km (0.084 R)
• M7: 2,905,789 km (0.07 R)
• M8: 4,336,992 km (0.103 R)
• M9: 5,070,620 km (0.11 R)
• M10: 6,102,396 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 11.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.54 AU

Year: 1071 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,568,651 km

• M1: 144,212 km (0.094 R)
• M2: 507,885 km (0.036 R)
• M3: 871,108 km (0.099 R)
• M4: 1,295,667 km (0.118 R)
• M5: 1,786,348 km (0.108 R)
• M6: 2,472,105 km (0.097 R)
• M7: 3,348,748 km (0.068 R)
• M8: 3,809,809 km (0.12 R)
• M9: 4,449,190 km (0.093 R)
• M10: 4,875,245 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 13.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.93 AU - 2.83 AU

Year: 2534 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,568,651 km

• M1: 172,486 km (0.106 R)
• M2: 672,293 km (0.103 R)
• M3: 1,394,551 km (0.091 R)
• M4: 2,047,097 km (0.077 R)
• M5: 2,541,967 km (0.104 R)
• M6: 5,891,613 km (0.116 R)
• M7: 6,478,336 km (0.071 R)
• M8: 8,063,026 km (0.094 R)
• M9: 8,989,934 km (0.043 R)
• M10: 11,123,200 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.3

Radius: 12.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.28 AU - 4.48 AU

Year: 5275 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,568,651 km

• M1: 156,928 km (0.055 R)
• M2: 796,758 km (0.081 R)
• M3: 1,354,609 km (0.069 R)
• M4: 2,032,287 km (0.081 R)
• M5: 2,597,468 km (0.031 R)
• M6: 3,229,220 km (0.062 R)
• M7: 4,493,621 km (0.087 R)
• M8: 4,948,548 km (0.083 R)
• M9: 6,621,950 km (0.112 R)
• M10: 7,181,147 km (0.107 R)
• M11: 9,583,688 km (0.043 R)
• M12: 10,017,373 km (0.064 R)
• M13: 10,967,020 km (0.114 R)
• M14: 12,997,661 km (0.11 R)
• M15: 20,907,050 km (0.036 R)
• M16: 23,649,179 km (0.067 R)
• M17: 24,080,171 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 9.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.53 AU - 4.91 AU

Year: 7078 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,568,651 km

• M1: 118,781 km (0.091 R)
• M2: 575,054 km (0.032 R)
• M3: 960,867 km (0.068 R)
• M4: 1,755,232 km (0.112 R)
• M5: 2,460,885 km (0.032 R)
• M6: 2,871,082 km (0.108 R)
• M7: 3,888,797 km (0.094 R)
• M8: 5,447,457 km (0.093 R)
• M9: 5,803,500 km (0.101 R)
• M10: 6,562,111 km (0.117 R)
• M11: 7,354,830 km (0.104 R)
• M12: 9,059,497 km (0.089 R)
• M13: 9,854,610 km (0.107 R)
• M14: 10,269,295 km (0.097 R)
• M15: 11,173,914 km (0.115 R)
• M16: 14,932,411 km (0.106 R)
• M17: 15,279,179 km (0.077 R)
• M18: 16,773,960 km (0.108 R)
• M19: 17,148,853 km (0.087 R)
• M20: 18,138,742 km (0.097 R)
• M21: 18,877,007 km (0.107 R)

Asteroid Belt

Center: 5.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.2

Radius: 7.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.57 AU - 6.67 AU

Year: 10451 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,568,651 km

• M1: 101,876 km (0.102 R)
• M2: 528,080 km (0.047 R)
• M3: 1,294,171 km (0.084 R)
• M4: 1,929,513 km (0.12 R)
• M5: 2,250,850 km (0.107 R)
• M6: 3,395,872 km (0.107 R)
• M7: 3,739,797 km (0.091 R)
• M8: 4,739,111 km (0.111 R)
• M9: 5,407,514 km (0.09 R)
• M10: 5,764,604 km (0.09 R)
• M11: 6,679,844 km (0.098 R)
• M12: 8,283,234 km (0.09 R)
• M13: 8,536,802 km (0.105 R)
• M14: 9,485,103 km (0.074 R)
• M15: 12,417,970 km (0.094 R)
• M16: 12,702,654 km (0.095 R)
• M17: 16,129,044 km (0.056 R)
• M18: 19,931,224 km (0.102 R)
• M19: 22,702,973 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 15,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit