🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.86 AU

Year: 239 Days

Day: 26.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 91.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.78 AU - 0.94 AU

Year: 299 Days

Day: 32.3 Hours

Environment

Temp: 92 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.8 AU - 2.06 AU

Year: 1005 Days

Day: 36.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 11.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.02 AU - 8.02 AU

Year: 6239 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,360,018 km

• M1: 173,982 km (0.069 R)
• M2: 1,127,070 km (0.096 R)
• M3: 1,504,805 km (0.096 R)
• M4: 2,067,293 km (0.087 R)
• M5: 2,802,417 km (0.094 R)
• M6: 4,464,449 km (0.1 R)
• M7: 4,894,992 km (0.048 R)
• M8: 5,493,383 km (0.114 R)
• M9: 7,204,633 km (0.049 R)
• M10: 7,620,964 km (0.051 R)
• M11: 8,238,355 km (0.083 R)
• M12: 10,821,910 km (0.115 R)
• M13: 13,957,033 km (0.086 R)
• M14: 16,375,731 km (0.108 R)
• M15: 17,528,532 km (0.088 R)
• M16: 18,734,889 km (0.086 R)
• M17: 20,063,618 km (0.048 R)
• M18: 22,833,871 km (0.084 R)
• M19: 23,432,113 km (0.044 R)
• M20: 25,608,762 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 11.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.21 AU - 7.51 AU

Year: 7482 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,360,018 km

• M1: 139,425 km (0.102 R)
• M2: 1,045,689 km (0.111 R)
• M3: 1,523,954 km (0.101 R)
• M4: 1,873,115 km (0.081 R)
• M5: 2,795,386 km (0.066 R)
• M6: 4,047,071 km (0.075 R)
• M7: 4,673,886 km (0.08 R)
• M8: 6,322,156 km (0.043 R)
• M9: 9,654,598 km (0.085 R)
• M10: 11,772,754 km (0.047 R)
• M11: 14,009,990 km (0.117 R)
• M12: 15,443,736 km (0.057 R)
• M13: 20,330,949 km (0.112 R)
• M14: 21,006,383 km (0.097 R)
• M15: 22,561,004 km (0.11 R)
• M16: 26,249,190 km (0.112 R)
• M17: 28,236,000 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 8.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.94 AU - 11.2 AU

Year: 10236 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,360,018 km

• M1: 105,766 km (0.119 R)
• M2: 383,270 km (0.114 R)
• M3: 860,637 km (0.12 R)
• M4: 1,240,615 km (0.058 R)
• M5: 1,606,831 km (0.117 R)
• M6: 2,379,055 km (0.061 R)
• M7: 2,789,252 km (0.116 R)
• M8: 3,202,442 km (0.119 R)
• M9: 3,515,700 km (0.08 R)
• M10: 5,097,248 km (0.108 R)
• M11: 7,105,151 km (0.095 R)
• M12: 8,493,419 km (0.025 R)
• M13: 10,243,714 km (0.03 R)
• M14: 11,279,829 km (0.09 R)
• M15: 12,115,034 km (0.089 R)
• M16: 17,803,643 km (0.103 R)
• M17: 18,222,217 km (0.09 R)
• M18: 19,813,490 km (0.061 R)
• M19: 23,353,125 km (0.031 R)
• M20: 27,663,339 km (0.057 R)
• M21: 30,251,233 km (0.066 R)
• M22: 32,891,785 km (0.115 R)
• M23: 37,134,829 km (0.109 R)
• M24: 38,048,124 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 14.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.27 AU - 10.89 AU

Year: 12896 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,360,018 km

• M1: 179,069 km (0.099 R)
• M2: 832,961 km (0.09 R)
• M3: 1,469,949 km (0.092 R)
• M4: 2,366,489 km (0.058 R)
• M5: 3,031,601 km (0.053 R)
• M6: 3,577,483 km (0.093 R)
• M7: 4,367,659 km (0.093 R)
• M8: 6,982,181 km (0.098 R)
• M9: 10,018,270 km (0.069 R)
• M10: 11,707,978 km (0.064 R)
• M11: 12,250,121 km (0.052 R)
• M12: 14,179,784 km (0.042 R)
• M13: 20,306,714 km (0.112 R)
• M14: 22,534,526 km (0.1 R)
• M15: 23,469,812 km (0.069 R)
• M16: 23,947,029 km (0.077 R)
• M17: 25,921,272 km (0.065 R)
• M18: 26,534,174 km (0.064 R)
• M19: 29,523,140 km (0.09 R)
• M20: 30,756,574 km (0.084 R)
• M21: 31,559,167 km (0.068 R)
• M22: 41,056,687 km (0.113 R)
• M23: 43,303,796 km (0.116 R)
• M24: 44,457,645 km (0.088 R)
• M25: 45,483,886 km (0.115 R)
• M26: 48,195,497 km (0.113 R)
• M27: 50,377,681 km (0.076 R)
• M28: 52,625,090 km (0.103 R)
• M29: 57,837,978 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit