🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 12.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.46 AU - 0.64 AU

Year: 277 Days

Day: 9.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,243,692 km

• M1: 155,432 km (0.09 R)
• M2: 606,619 km (0.106 R)
• M3: 1,033,572 km (0.08 R)
• M4: 1,522,308 km (0.063 R)
• M5: 2,088,685 km (0.073 R)
• M6: 2,484,521 km (0.114 R)
• M7: 3,137,217 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 10.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.68 AU - 0.68 AU

Year: 380 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,243,692 km

• M1: 131,796 km (0.059 R)
• M2: 502,200 km (0.068 R)
• M3: 860,337 km (0.088 R)
• M4: 1,371,663 km (0.054 R)
• M5: 1,961,378 km (0.115 R)
• M6: 2,448,618 km (0.118 R)
• M7: 2,778,780 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 13

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.67 AU - 0.93 AU

Year: 485 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,243,692 km

• M1: 163,510 km (0.119 R)
• M2: 688,749 km (0.103 R)
• M3: 1,336,059 km (0.082 R)
• M4: 2,211,206 km (0.056 R)
• M5: 3,012,752 km (0.119 R)
• M6: 3,656,621 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.1

Radius: 9.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.36 AU - 2.18 AU

Year: 1597 Days

Day: 11.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,243,692 km

• M1: 121,922 km (0.088 R)
• M2: 488,736 km (0.097 R)
• M3: 952,340 km (0.062 R)
• M4: 1,319,004 km (0.079 R)
• M5: 1,969,905 km (0.085 R)
• M6: 2,518,031 km (0.09 R)
• M7: 3,123,903 km (0.049 R)
• M8: 3,520,636 km (0.093 R)
• M9: 3,855,736 km (0.116 R)
• M10: 4,608,213 km (0.087 R)
• M11: 5,143,025 km (0.051 R)
• M12: 5,495,627 km (0.09 R)
• M13: 6,674,010 km (0.066 R)
• M14: 8,013,210 km (0.12 R)
• M15: 9,065,781 km (0.089 R)
• M16: 9,669,558 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.82 AU - 1.9 AU

Year: 1721 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 59.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,243,692 km

• M1: 99,632 km (0.099 R)
• M2: 411,544 km (0.106 R)
• M3: 765,193 km (0.091 R)
• M4: 1,336,507 km (0.083 R)
• M5: 1,720,076 km (0.104 R)
• M6: 2,139,848 km (0.119 R)
• M7: 2,847,446 km (0.078 R)
• M8: 3,412,477 km (0.055 R)
• M9: 4,105,265 km (0.116 R)
• M10: 4,522,344 km (0.07 R)
• M11: 5,340,943 km (0.106 R)
• M12: 5,715,536 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.2

Radius: 13.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.61 AU - 2.21 AU

Year: 1790 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,243,692 km

• M1: 165,904 km (0.045 R)
• M2: 901,477 km (0.094 R)
• M3: 1,483,712 km (0.058 R)
• M4: 1,973,046 km (0.086 R)
• M5: 2,740,334 km (0.104 R)
• M6: 4,382,769 km (0.066 R)
• M7: 4,812,414 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 11.4

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.26 AU - 2.28 AU

Year: 2320 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,243,692 km

• M1: 145,708 km (0.11 R)
• M2: 891,005 km (0.116 R)
• M3: 1,351,318 km (0.12 R)
• M4: 1,715,140 km (0.06 R)
• M5: 2,119,652 km (0.054 R)
• M6: 2,500,678 km (0.066 R)
• M7: 3,142,303 km (0.062 R)
• M8: 3,812,801 km (0.075 R)
• M9: 6,055,123 km (0.074 R)
• M10: 7,334,484 km (0.118 R)
• M11: 7,957,859 km (0.12 R)
• M12: 9,204,009 km (0.111 R)
• M13: 9,598,499 km (0.115 R)
• M14: 10,041,607 km (0.079 R)
• M15: 10,575,971 km (0.12 R)
• M16: 12,165,149 km (0.064 R)
• M17: 12,772,666 km (0.112 R)
• M18: 13,446,006 km (0.099 R)
• M19: 15,158,603 km (0.097 R)
• M20: 17,662,422 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 9.1

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.38 AU - 2.82 AU

Year: 2843 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,243,692 km

• M1: 113,246 km (0.091 R)
• M2: 423,960 km (0.07 R)
• M3: 804,238 km (0.118 R)
• M4: 1,191,846 km (0.055 R)
• M5: 1,680,433 km (0.028 R)
• M6: 2,009,399 km (0.099 R)
• M7: 3,213,063 km (0.067 R)
• M8: 3,499,094 km (0.056 R)
• M9: 3,980,201 km (0.074 R)
• M10: 4,461,308 km (0.099 R)
• M11: 5,194,786 km (0.114 R)
• M12: 6,359,405 km (0.082 R)
• M13: 6,783,964 km (0.107 R)
• M14: 7,533,300 km (0.079 R)
• M15: 8,336,790 km (0.108 R)
• M16: 10,189,859 km (0.112 R)
• M17: 10,614,418 km (0.106 R)
• M18: 12,302,181 km (0.075 R)
• M19: 13,414,890 km (0.055 R)
• M20: 15,034,287 km (0.061 R)
• M21: 15,433,414 km (0.089 R)
• M22: 17,701,617 km (0.092 R)
• M23: 19,645,791 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 15,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit