🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.16 AU - 1.22 AU

Year: 593 Days

Day: 39 Hours

Environment

Temp: -94 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.16 AU - 1.92 AU

Year: 873 Days

Day: 40.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 14.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.32 AU - 2.62 AU

Year: 1772 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,167,732 km

• M1: 182,958 km (0.05 R)
• M2: 790,176 km (0.118 R)
• M3: 1,303,446 km (0.113 R)
• M4: 2,643,544 km (0.118 R)
• M5: 3,373,133 km (0.03 R)
• M6: 4,427,050 km (0.027 R)
• M7: 8,185,098 km (0.106 R)
• M8: 9,342,985 km (0.116 R)
• M9: 10,254,934 km (0.099 R)
• M10: 11,114,673 km (0.088 R)
• M11: 11,829,152 km (0.061 R)
• M12: 14,071,026 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 13.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.17 AU - 6.57 AU

Year: 5681 Days

Day: 10.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,167,732 km

• M1: 162,912 km (0.08 R)
• M2: 606,619 km (0.115 R)
• M3: 1,940,434 km (0.113 R)
• M4: 2,887,987 km (0.111 R)
• M5: 3,467,529 km (0.116 R)
• M6: 4,376,187 km (0.086 R)
• M7: 6,326,195 km (0.111 R)
• M8: 9,658,787 km (0.115 R)
• M9: 13,405,166 km (0.107 R)
• M10: 14,969,661 km (0.098 R)
• M11: 15,406,786 km (0.028 R)
• M12: 16,021,633 km (0.09 R)
• M13: 16,827,965 km (0.085 R)
• M14: 21,546,282 km (0.089 R)
• M15: 23,248,556 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 13.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.72 AU - 6.96 AU

Year: 7288 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,167,732 km

• M1: 164,258 km (0.12 R)
• M2: 767,287 km (0.032 R)
• M3: 1,300,005 km (0.066 R)
• M4: 1,922,632 km (0.041 R)
• M5: 2,351,978 km (0.096 R)
• M6: 3,589,451 km (0.08 R)
• M7: 5,942,027 km (0.075 R)
• M8: 8,175,374 km (0.105 R)
• M9: 12,958,916 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.08 AU - 8.48 AU

Year: 9908 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,167,732 km

• M1: 169,494 km (0.113 R)
• M2: 631,303 km (0.087 R)
• M3: 1,180,477 km (0.112 R)
• M4: 1,701,676 km (0.105 R)
• M5: 2,342,703 km (0.111 R)
• M6: 2,778,780 km (0.108 R)
• M7: 3,247,770 km (0.119 R)
• M8: 4,039,292 km (0.105 R)
• M9: 4,481,503 km (0.08 R)
• M10: 5,281,104 km (0.108 R)
• M11: 5,747,401 km (0.082 R)
• M12: 6,871,329 km (0.094 R)
• M13: 7,428,581 km (0.113 R)
• M14: 8,218,309 km (0.093 R)
• M15: 9,734,782 km (0.116 R)
• M16: 12,055,195 km (0.115 R)
• M17: 14,602,398 km (0.071 R)
• M18: 15,400,652 km (0.1 R)
• M19: 16,357,779 km (0.074 R)
• M20: 17,286,333 km (0.084 R)
• M21: 23,863,404 km (0.099 R)
• M22: 24,884,858 km (0.106 R)
• M23: 26,742,115 km (0.09 R)
• M24: 27,381,347 km (0.028 R)
• M25: 28,690,328 km (0.066 R)
• M26: 31,130,868 km (0.049 R)
• M27: 33,918,924 km (0.097 R)
• M28: 34,668,110 km (0.118 R)
• M29: 36,869,592 km (0.055 R)
• M30: 37,547,719 km (0.117 R)
• M31: 38,929,256 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.1

Radius: 7.7

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 9.87 AU - 16.03 AU

Year: 21277 Days

Day: 19.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,167,732 km

• M1: 96,042 km (0.075 R)
• M2: 396,434 km (0.091 R)
• M3: 726,148 km (0.109 R)
• M4: 993,330 km (0.113 R)
• M5: 1,607,728 km (0.066 R)
• M6: 2,093,323 km (0.106 R)
• M7: 2,723,728 km (0.12 R)
• M8: 3,014,397 km (0.09 R)
• M9: 10,510,896 km (0.103 R)
• M10: 14,754,090 km (0.109 R)
• M11: 15,488,167 km (0.078 R)
• M12: 15,906,442 km (0.1 R)
• M13: 17,385,068 km (0.12 R)
• M14: 17,745,898 km (0.042 R)
• M15: 19,143,591 km (0.094 R)
• M16: 25,011,567 km (0.051 R)
• M17: 25,587,369 km (0.049 R)
• M18: 26,885,281 km (0.117 R)
• M19: 27,125,984 km (0.075 R)
• M20: 27,611,429 km (0.084 R)
• M21: 30,647,517 km (0.077 R)
• M22: 39,661,088 km (0.09 R)
• M23: 44,011,694 km (0.04 R)
• M24: 49,207,228 km (0.098 R)
• M25: 52,138,448 km (0.105 R)
• M26: 54,219,953 km (0.083 R)
• M27: 55,184,111 km (0.051 R)
• M28: 55,768,141 km (0.108 R)
• M29: 58,346,311 km (0.078 R)
• M30: 64,381,987 km (0.111 R)
• M31: 65,245,915 km (0.09 R)
• M32: 65,898,909 km (0.096 R)
• M33: 66,996,808 km (0.115 R)
• M34: 73,606,341 km (0.068 R)
• M35: 74,313,939 km (0.039 R)
• M36: 76,705,261 km (0.026 R)
• M37: 77,189,659 km (0.095 R)
• M38: 88,368,509 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit