🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 13.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.82 AU - 0.88 AU

Year: 532 Days

Day: 8.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 158.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,268,105 km

• M1: 164,258 km (0.066 R)
• M2: 744,100 km (0.088 R)
• M3: 1,224,309 km (0.115 R)
• M4: 1,907,223 km (0.05 R)
• M5: 2,352,576 km (0.117 R)
• M6: 2,924,489 km (0.047 R)
• M7: 3,471,119 km (0.11 R)
• M8: 3,914,827 km (0.037 R)
• M9: 4,426,900 km (0.107 R)
• M10: 5,497,722 km (0.117 R)
• M11: 6,316,022 km (0.028 R)
• M12: 6,878,061 km (0.091 R)
• M13: 7,299,778 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 8.8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.33 AU - 1.77 AU

Year: 1309 Days

Day: 11 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,268,105 km

• M1: 109,655 km (0.075 R)
• M2: 532,718 km (0.073 R)
• M3: 962,214 km (0.045 R)
• M4: 1,568,833 km (0.054 R)
• M5: 2,435,005 km (0.102 R)
• M6: 2,763,671 km (0.096 R)
• M7: 3,621,615 km (0.118 R)
• M8: 3,949,533 km (0.12 R)
• M9: 4,226,289 km (0.076 R)
• M10: 5,196,132 km (0.064 R)
• M11: 5,701,025 km (0.054 R)
• M12: 7,863,313 km (0.11 R)
• M13: 9,292,421 km (0.106 R)
• M14: 9,659,684 km (0.066 R)
• M15: 10,488,756 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 11.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.65 AU - 2.07 AU

Year: 1721 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,268,105 km

• M1: 140,772 km (0.071 R)
• M2: 533,616 km (0.108 R)
• M3: 968,497 km (0.075 R)
• M4: 2,239,181 km (0.117 R)
• M5: 2,611,979 km (0.107 R)
• M6: 3,257,194 km (0.08 R)
• M7: 3,816,391 km (0.038 R)
• M8: 4,404,311 km (0.087 R)
• M9: 6,162,834 km (0.119 R)
• M10: 6,537,277 km (0.106 R)
• M11: 9,689,005 km (0.118 R)
• M12: 10,410,815 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 9.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.7 AU - 2.78 AU

Year: 2274 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,268,105 km

• M1: 118,182 km (0.034 R)
• M2: 417,228 km (0.104 R)
• M3: 827,127 km (0.1 R)
• M4: 1,166,415 km (0.06 R)
• M5: 1,484,160 km (0.102 R)
• M6: 1,995,785 km (0.103 R)
• M7: 2,735,247 km (0.107 R)
• M8: 3,128,839 km (0.081 R)
• M9: 3,844,516 km (0.071 R)
• M10: 5,718,079 km (0.113 R)
• M11: 6,652,468 km (0.049 R)
• M12: 6,949,120 km (0.089 R)
• M13: 7,685,441 km (0.108 R)
• M14: 8,379,276 km (0.075 R)
• M15: 8,918,576 km (0.077 R)
• M16: 9,279,855 km (0.118 R)
• M17: 9,788,039 km (0.076 R)
• M18: 11,158,954 km (0.034 R)
• M19: 11,617,322 km (0.097 R)
• M20: 11,929,832 km (0.049 R)
• M21: 13,068,272 km (0.113 R)
• M22: 14,188,760 km (0.088 R)
• M23: 14,772,491 km (0.081 R)
• M24: 15,139,604 km (0.037 R)
• M25: 15,465,727 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 12.3

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.45 AU - 2.73 AU

Year: 2827 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,268,105 km

• M1: 248,632 km (0.079 R)
• M2: 2,004,611 km (0.115 R)
• M3: 3,553,697 km (0.054 R)
• M4: 5,124,026 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 11.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.28 AU - 4.36 AU

Year: 6090 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,268,105 km

• M1: 145,110 km (0.075 R)
• M2: 533,017 km (0.106 R)
• M3: 1,180,327 km (0.087 R)
• M4: 1,611,319 km (0.083 R)
• M5: 3,064,363 km (0.114 R)
• M6: 3,453,168 km (0.099 R)
• M7: 5,083,485 km (0.085 R)
• M8: 6,556,725 km (0.098 R)
• M9: 7,803,474 km (0.055 R)
• M10: 11,085,501 km (0.091 R)
• M11: 11,625,400 km (0.062 R)
• M12: 14,791,190 km (0.079 R)
• M13: 15,858,870 km (0.114 R)
• M14: 19,251,451 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.4

Radius: 4.6

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.82 AU - 9.22 AU

Year: 16867 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 139.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,268,105 km

• M1: 91,703 km (0.098 R)
• M2: 262,993 km (0.097 R)
• M3: 1,148,164 km (0.092 R)
• M4: 3,126,745 km (0.085 R)
• M5: 3,474,859 km (0.091 R)
• M6: 4,337,291 km (0.045 R)
• M7: 4,770,227 km (0.066 R)
• M8: 7,333,288 km (0.083 R)
• M9: 9,991,343 km (0.096 R)
• M10: 15,431,020 km (0.079 R)
• M11: 16,952,880 km (0.042 R)
• M12: 19,872,731 km (0.086 R)
• M13: 20,207,082 km (0.078 R)
• M14: 23,202,929 km (0.11 R)
• M15: 23,760,630 km (0.095 R)
• M16: 26,683,922 km (0.06 R)
• M17: 33,585,021 km (0.088 R)
• M18: 36,125,791 km (0.081 R)
• M19: 43,241,564 km (0.113 R)
• M20: 46,097,387 km (0.113 R)
• M21: 47,720,374 km (0.039 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: 341 - 19,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit