🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 12.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 5.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,211,706 km

• M1: 150,495 km (0.079 R)
• M2: 741,856 km (0.066 R)
• M3: 1,156,392 km (0.095 R)
• M4: 1,542,504 km (0.111 R)
• M5: 1,926,521 km (0.111 R)
• M6: 2,351,828 km (0.105 R)
• M7: 2,830,990 km (0.114 R)
• M8: 3,365,055 km (0.106 R)
• M9: 3,743,388 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 9.1

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.81 AU - 0.81 AU

Year: 478 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,211,706 km

• M1: 113,246 km (0.102 R)
• M2: 416,630 km (0.116 R)
• M3: 721,211 km (0.116 R)
• M4: 1,164,919 km (0.042 R)
• M5: 1,615,208 km (0.067 R)
• M6: 1,901,688 km (0.107 R)
• M7: 2,609,585 km (0.109 R)
• M8: 2,931,669 km (0.097 R)
• M9: 3,257,045 km (0.078 R)
• M10: 3,593,939 km (0.105 R)
• M11: 5,087,076 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 11

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.02 AU - 1.04 AU

Year: 686 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,211,706 km

• M1: 136,882 km (0.111 R)
• M2: 687,701 km (0.117 R)
• M3: 1,102,237 km (0.098 R)
• M4: 1,479,673 km (0.086 R)
• M5: 1,850,825 km (0.076 R)
• M6: 3,002,878 km (0.078 R)
• M7: 3,713,169 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 15

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.14 AU - 1.24 AU

Year: 852 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,211,706 km

• M1: 186,549 km (0.117 R)
• M2: 657,183 km (0.09 R)
• M3: 1,178,532 km (0.088 R)
• M4: 2,140,147 km (0.111 R)
• M5: 2,701,139 km (0.038 R)
• M6: 3,621,016 km (0.07 R)
• M7: 4,154,931 km (0.077 R)
• M8: 4,872,103 km (0.095 R)
• M9: 5,543,798 km (0.063 R)
• M10: 6,025,353 km (0.073 R)
• M11: 6,821,513 km (0.084 R)
• M12: 7,552,598 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 8.9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.24 AU - 1.28 AU

Year: 928 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,211,706 km

• M1: 110,852 km (0.088 R)
• M2: 416,181 km (0.114 R)
• M3: 834,756 km (0.063 R)
• M4: 1,125,275 km (0.105 R)
• M5: 1,414,747 km (0.057 R)
• M6: 1,958,984 km (0.073 R)
• M7: 2,372,921 km (0.114 R)
• M8: 2,997,642 km (0.074 R)
• M9: 3,477,253 km (0.043 R)
• M10: 3,773,606 km (0.095 R)
• M11: 4,468,788 km (0.097 R)
• M12: 4,766,338 km (0.092 R)
• M13: 6,546,253 km (0.07 R)
• M14: 8,358,183 km (0.097 R)
• M15: 8,920,222 km (0.079 R)
• M16: 9,421,973 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.47 AU - 1.91 AU

Year: 1441 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,211,706 km

• M1: 185,352 km (0.094 R)
• M2: 815,458 km (0.071 R)
• M3: 1,317,508 km (0.067 R)
• M4: 1,896,003 km (0.109 R)
• M5: 2,630,828 km (0.105 R)
• M6: 3,252,557 km (0.091 R)
• M7: 3,799,337 km (0.055 R)
• M8: 4,351,204 km (0.113 R)
• M9: 4,936,281 km (0.04 R)
• M10: 5,420,080 km (0.096 R)
• M11: 6,632,721 km (0.026 R)
• M12: 7,171,273 km (0.097 R)
• M13: 8,394,984 km (0.119 R)
• M14: 9,401,029 km (0.098 R)
• M15: 9,982,816 km (0.089 R)
• M16: 10,451,954 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 11.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.46 AU - 2.18 AU

Year: 1611 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 15,211,706 km

• M1: 138,079 km (0.067 R)
• M2: 679,773 km (0.102 R)
• M3: 1,286,990 km (0.08 R)
• M4: 2,067,891 km (0.113 R)
• M5: 2,472,254 km (0.086 R)
• M6: 4,611,055 km (0.116 R)
• M7: 5,442,371 km (0.104 R)
• M8: 5,882,338 km (0.093 R)
• M9: 6,396,057 km (0.102 R)
• M10: 8,208,286 km (0.116 R)
• M11: 9,136,241 km (0.114 R)
• M12: 9,826,486 km (0.027 R)
• M13: 10,445,372 km (0.072 R)
• M14: 12,939,767 km (0.095 R)
• M15: 14,066,239 km (0.072 R)
• M16: 14,675,551 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 16,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit