🌌 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: 807.9

Radius: 14.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 6 Hours

Environment

Temp: -134 °C

Axial Tilt: 117.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,101,110 km

• M1: 177,872 km (0.115 R)
• M2: 631,153 km (0.104 R)
• M3: 1,152,951 km (0.087 R)
• M4: 1,621,791 km (0.044 R)
• M5: 2,105,141 km (0.033 R)
• M6: 2,605,247 km (0.105 R)
• M7: 4,076,692 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 12.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 9.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,101,110 km

• M1: 155,432 km (0.116 R)
• M2: 632,350 km (0.054 R)
• M3: 1,153,699 km (0.119 R)
• M4: 1,569,282 km (0.086 R)
• M5: 2,031,689 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.1

Radius: 14

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.51 AU - 0.83 AU

Year: 379 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,101,110 km

• M1: 174,132 km (0.111 R)
• M2: 709,094 km (0.041 R)
• M3: 1,175,690 km (0.103 R)
• M4: 1,856,061 km (0.078 R)
• M5: 2,302,910 km (0.057 R)
• M6: 2,782,820 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 8.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.72 AU - 1.2 AU

Year: 649 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,101,110 km

• M1: 106,962 km (0.091 R)
• M2: 416,929 km (0.063 R)
• M3: 820,544 km (0.035 R)
• M4: 1,570,478 km (0.112 R)
• M5: 1,957,189 km (0.085 R)
• M6: 3,185,387 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 10.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.99 AU - 2.35 AU

Year: 2206 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,101,110 km

• M1: 125,662 km (0.116 R)
• M2: 658,231 km (0.097 R)
• M3: 1,214,436 km (0.114 R)
• M4: 1,789,041 km (0.111 R)
• M5: 2,160,044 km (0.055 R)
• M6: 2,591,634 km (0.119 R)
• M7: 3,281,579 km (0.091 R)
• M8: 4,547,626 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 11.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.89 AU - 4.01 AU

Year: 5419 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,101,110 km

• M1: 140,622 km (0.076 R)
• M2: 575,054 km (0.112 R)
• M3: 1,124,378 km (0.108 R)
• M4: 1,645,726 km (0.079 R)
• M5: 2,024,059 km (0.085 R)
• M6: 3,527,219 km (0.025 R)
• M7: 3,896,277 km (0.119 R)
• M8: 5,104,878 km (0.11 R)
• M9: 5,733,488 km (0.057 R)
• M10: 6,480,430 km (0.084 R)
• M11: 7,001,779 km (0.086 R)
• M12: 7,664,198 km (0.042 R)
• M13: 8,089,206 km (0.03 R)
• M14: 9,415,989 km (0.091 R)
• M15: 10,786,904 km (0.057 R)
• M16: 11,321,567 km (0.106 R)
• M17: 12,182,652 km (0.116 R)
• M18: 12,549,616 km (0.108 R)
• M19: 13,471,887 km (0.047 R)
• M20: 16,256,651 km (0.091 R)
• M21: 17,484,251 km (0.056 R)
• M22: 18,019,213 km (0.04 R)
• M23: 19,905,792 km (0.12 R)
• M24: 21,159,272 km (0.118 R)
• M25: 22,464,514 km (0.055 R)
• M26: 26,352,114 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.7

Radius: 6.3

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.85 AU - 10.27 AU

Year: 22025 Days

Day: 18.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,101,110 km

• M1: 78,539 km (0.12 R)
• M2: 898,485 km (0.094 R)
• M3: 1,715,439 km (0.041 R)
• M4: 2,531,944 km (0.11 R)
• M5: 3,582,869 km (0.107 R)
• M6: 3,854,539 km (0.04 R)
• M7: 8,229,229 km (0.083 R)
• M8: 8,703,305 km (0.068 R)
• M9: 9,822,147 km (0.11 R)
• M10: 10,599,009 km (0.047 R)
• M11: 13,823,292 km (0.052 R)
• M12: 14,192,799 km (0.025 R)
• M13: 15,498,489 km (0.119 R)
• M14: 18,435,095 km (0.104 R)
• M15: 19,614,076 km (0.066 R)
• M16: 20,842,574 km (0.072 R)
• M17: 22,121,636 km (0.11 R)
• M18: 22,525,400 km (0.107 R)
• M19: 23,347,889 km (0.1 R)
• M20: 25,601,731 km (0.04 R)
• M21: 31,926,729 km (0.085 R)
• M22: 34,426,210 km (0.099 R)
• M23: 40,257,984 km (0.119 R)
• M24: 45,242,734 km (0.106 R)
• M25: 48,219,582 km (0.046 R)
• M26: 53,286,163 km (0.037 R)
• M27: 60,447,114 km (0.116 R)
• M28: 65,285,109 km (0.053 R)
• M29: 74,136,067 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 13,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit