🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.12 AU - 3.42 AU

Year: 1659 Days

Day: 28 Hours

Environment

Temp: -94 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.17 AU - 4.93 AU

Year: 3493 Days

Day: 31.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.16 AU - 5.48 AU

Year: 3808 Days

Day: 44.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 173.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,989,393 km

• M1: 3,093,534 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 13.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.66 AU - 5.66 AU

Year: 4218 Days

Day: 13.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,989,393 km

• M1: 174,730 km (0.12 R)
• M2: 884,273 km (0.059 R)
• M3: 1,594,115 km (0.104 R)
• M4: 2,615,270 km (0.095 R)
• M5: 3,796,046 km (0.049 R)
• M6: 4,567,672 km (0.108 R)
• M7: 5,804,248 km (0.093 R)
• M8: 6,734,896 km (0.065 R)
• M9: 9,240,810 km (0.085 R)
• M10: 13,441,967 km (0.084 R)
• M11: 14,161,234 km (0.078 R)
• M12: 15,398,258 km (0.12 R)
• M13: 18,963,924 km (0.118 R)
• M14: 20,265,575 km (0.072 R)
• M15: 22,757,576 km (0.116 R)
• M16: 23,779,778 km (0.108 R)
• M17: 26,231,089 km (0.08 R)

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 14.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.76 AU - 8.74 AU

Year: 7026 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,989,393 km

• M1: 178,470 km (0.056 R)
• M2: 724,802 km (0.051 R)
• M3: 1,195,137 km (0.053 R)
• M4: 1,908,420 km (0.034 R)
• M5: 2,582,807 km (0.068 R)
• M6: 4,415,232 km (0.119 R)
• M7: 6,777,232 km (0.045 R)
• M8: 8,571,958 km (0.11 R)
• M9: 10,715,995 km (0.102 R)
• M10: 11,329,645 km (0.113 R)
• M11: 13,842,889 km (0.078 R)
• M12: 17,534,217 km (0.119 R)
• M13: 18,028,787 km (0.078 R)
• M14: 20,254,654 km (0.078 R)
• M15: 22,409,611 km (0.057 R)
• M16: 23,585,301 km (0.079 R)
• M17: 24,801,831 km (0.091 R)
• M18: 28,025,815 km (0.076 R)
• M19: 28,508,268 km (0.11 R)
• M20: 33,858,785 km (0.093 R)
• M21: 36,083,754 km (0.098 R)
• M22: 37,464,543 km (0.066 R)
• M23: 38,880,337 km (0.045 R)
• M24: 39,360,097 km (0.114 R)
• M25: 41,194,616 km (0.111 R)
• M26: 41,944,101 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.9

Radius: 6.6

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.42 AU - 15.7 AU

Year: 16986 Days

Day: 22.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,989,393 km

• M1: 82,428 km (0.115 R)
• M2: 402,269 km (0.103 R)
• M3: 696,976 km (0.095 R)
• M4: 984,354 km (0.096 R)
• M5: 2,157,351 km (0.08 R)
• M6: 4,609,559 km (0.096 R)
• M7: 7,001,330 km (0.119 R)
• M8: 7,607,800 km (0.071 R)
• M9: 8,485,939 km (0.04 R)
• M10: 9,024,342 km (0.073 R)
• M11: 10,114,910 km (0.026 R)
• M12: 10,442,081 km (0.119 R)
• M13: 11,290,750 km (0.09 R)
• M14: 11,702,293 km (0.085 R)
• M15: 12,123,711 km (0.117 R)
• M16: 12,555,151 km (0.08 R)
• M17: 21,278,352 km (0.12 R)
• M18: 24,639,069 km (0.057 R)
• M19: 25,231,626 km (0.109 R)
• M20: 29,870,356 km (0.102 R)
• M21: 33,220,002 km (0.118 R)
• M22: 33,580,084 km (0.117 R)
• M23: 38,239,161 km (0.077 R)
• M24: 40,791,151 km (0.076 R)
• M25: 41,204,190 km (0.041 R)
• M26: 42,178,820 km (0.101 R)
• M27: 44,901,651 km (0.049 R)
• M28: 49,435,813 km (0.062 R)
• M29: 50,535,956 km (0.099 R)
• M30: 57,654,870 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.8

Radius: 4.8

Gravity: 30.5 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 12.79 AU - 15.67 AU

Year: 19319 Days

Day: 19.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,989,393 km

• M1: 59,690 km (0.069 R)
• M2: 256,560 km (0.045 R)
• M3: 971,339 km (0.043 R)
• M4: 1,216,530 km (0.052 R)
• M5: 1,469,949 km (0.1 R)
• M6: 2,561,265 km (0.077 R)
• M7: 3,004,673 km (0.111 R)
• M8: 3,383,754 km (0.084 R)
• M9: 3,733,364 km (0.092 R)
• M10: 5,454,039 km (0.12 R)
• M11: 6,399,049 km (0.112 R)
• M12: 6,796,979 km (0.119 R)
• M13: 7,211,216 km (0.117 R)
• M14: 10,474,245 km (0.102 R)
• M15: 11,151,923 km (0.101 R)
• M16: 11,858,474 km (0.063 R)
• M17: 14,082,695 km (0.093 R)
• M18: 15,843,312 km (0.045 R)
• M19: 16,002,933 km (0.055 R)
• M20: 16,570,358 km (0.051 R)
• M21: 17,404,067 km (0.115 R)
• M22: 21,406,408 km (0.111 R)
• M23: 26,651,908 km (0.062 R)
• M24: 27,910,624 km (0.111 R)
• M25: 29,690,390 km (0.056 R)
• M26: 35,344,891 km (0.08 R)
• M27: 36,862,860 km (0.095 R)
• M28: 37,425,498 km (0.109 R)
• M29: 38,712,189 km (0.112 R)
• M30: 43,214,038 km (0.099 R)
• M31: 47,057,207 km (0.093 R)
• M32: 55,231,534 km (0.111 R)
• M33: 56,524,508 km (0.059 R)
• M34: 60,915,056 km (0.057 R)
• M35: 67,393,990 km (0.052 R)
• M36: 70,151,977 km (0.118 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit