🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 13.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.63 AU - 0.77 AU

Year: 378 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,225,084 km

• M1: 167,849 km (0.119 R)
• M2: 588,518 km (0.097 R)
• M3: 1,078,451 km (0.115 R)
• M4: 1,613,862 km (0.036 R)
• M5: 2,241,275 km (0.114 R)
• M6: 3,122,706 km (0.043 R)
• M7: 3,579,727 km (0.118 R)
• M8: 4,356,589 km (0.058 R)
• M9: 5,092,461 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.9

Radius: 12.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.58 AU - 0.82 AU

Year: 378 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,225,084 km

• M1: 152,590 km (0.073 R)
• M2: 535,112 km (0.112 R)
• M3: 930,948 km (0.112 R)
• M4: 1,440,328 km (0.115 R)
• M5: 1,949,559 km (0.081 R)
• M6: 2,593,578 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.68 AU - 0.96 AU

Year: 479 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,225,084 km

• M1: 180,864 km (0.119 R)
• M2: 664,065 km (0.05 R)
• M3: 1,258,118 km (0.088 R)
• M4: 2,058,317 km (0.095 R)
• M5: 2,680,046 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.8

Radius: 8.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.16 AU - 1.72 AU

Year: 1116 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,225,084 km

• M1: 106,962 km (0.084 R)
• M2: 440,865 km (0.098 R)
• M3: 781,499 km (0.079 R)
• M4: 1,164,470 km (0.075 R)
• M5: 2,040,066 km (0.051 R)
• M6: 2,703,234 km (0.075 R)
• M7: 3,146,642 km (0.055 R)
• M8: 4,113,044 km (0.108 R)
• M9: 4,611,205 km (0.097 R)
• M10: 4,977,720 km (0.104 R)
• M11: 5,810,980 km (0.116 R)
• M12: 6,151,913 km (0.073 R)
• M13: 7,062,964 km (0.098 R)
• M14: 8,245,087 km (0.067 R)
• M15: 8,869,508 km (0.086 R)
• M16: 9,207,599 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 13.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.63 AU - 3.31 AU

Year: 3305 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,225,084 km

• M1: 171,589 km (0.053 R)
• M2: 621,130 km (0.114 R)
• M3: 1,337,106 km (0.118 R)
• M4: 1,841,999 km (0.039 R)
• M5: 2,303,807 km (0.079 R)
• M6: 3,185,238 km (0.057 R)
• M7: 3,695,965 km (0.111 R)
• M8: 4,949,745 km (0.112 R)
• M9: 5,858,103 km (0.106 R)
• M10: 7,013,148 km (0.096 R)
• M11: 8,128,550 km (0.113 R)
• M12: 8,664,409 km (0.102 R)
• M13: 9,948,258 km (0.068 R)
• M14: 11,707,081 km (0.106 R)
• M15: 12,639,823 km (0.08 R)
• M16: 13,274,417 km (0.097 R)
• M17: 17,177,875 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.34 AU - 3.66 AU

Year: 4228 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,225,084 km

• M1: 130,599 km (0.101 R)
• M2: 600,037 km (0.077 R)
• M3: 1,183,469 km (0.119 R)
• M4: 1,648,868 km (0.094 R)
• M5: 2,205,073 km (0.106 R)
• M6: 2,609,585 km (0.117 R)
• M7: 3,488,473 km (0.074 R)
• M8: 5,188,204 km (0.119 R)
• M9: 5,737,527 km (0.045 R)
• M10: 6,478,186 km (0.048 R)
• M11: 7,082,861 km (0.117 R)
• M12: 8,295,052 km (0.112 R)
• M13: 10,050,284 km (0.112 R)
• M14: 10,429,066 km (0.075 R)
• M15: 12,229,327 km (0.098 R)
• M16: 15,471,412 km (0.109 R)
• M17: 16,610,151 km (0.116 R)
• M18: 18,297,016 km (0.057 R)
• M19: 19,375,318 km (0.119 R)
• M20: 20,495,507 km (0.049 R)
• M21: 25,332,903 km (0.11 R)
• M22: 25,878,487 km (0.11 R)
• M23: 26,993,290 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.4

Radius: 14.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.89 AU - 4.57 AU

Year: 5617 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,225,084 km

• M1: 175,329 km (0.117 R)
• M2: 663,018 km (0.097 R)
• M3: 1,168,659 km (0.088 R)
• M4: 2,004,911 km (0.099 R)
• M5: 4,621,826 km (0.09 R)
• M6: 6,438,992 km (0.046 R)
• M7: 6,928,476 km (0.093 R)
• M8: 7,879,320 km (0.027 R)
• M9: 8,476,215 km (0.093 R)
• M10: 9,216,874 km (0.063 R)
• M11: 10,121,792 km (0.108 R)
• M12: 15,559,076 km (0.079 R)
• M13: 18,315,118 km (0.039 R)
• M14: 19,239,483 km (0.096 R)
• M15: 20,585,415 km (0.07 R)
• M16: 21,584,579 km (0.075 R)
• M17: 22,966,864 km (0.108 R)
• M18: 24,481,093 km (0.118 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: 266 - 13,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit