🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.51 AU - 0.77 AU

Year: 326 Days

Day: 45.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 14.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.15 AU - 1.31 AU

Year: 867 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,344,765 km

• M1: 179,069 km (0.104 R)
• M2: 687,552 km (0.075 R)
• M3: 1,233,135 km (0.083 R)
• M4: 2,009,399 km (0.113 R)
• M5: 2,611,979 km (0.088 R)
• M6: 3,321,372 km (0.118 R)
• M7: 4,528,328 km (0.12 R)
• M8: 5,393,602 km (0.116 R)
• M9: 6,386,782 km (0.12 R)
• M10: 7,056,532 km (0.076 R)
• M11: 7,865,706 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 8.6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.84 AU - 1.94 AU

Year: 1652 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,344,765 km

• M1: 106,962 km (0.111 R)
• M2: 514,916 km (0.047 R)
• M3: 810,820 km (0.07 R)
• M4: 1,418,637 km (0.111 R)
• M5: 1,916,798 km (0.087 R)
• M6: 2,794,638 km (0.053 R)
• M7: 3,831,800 km (0.114 R)
• M8: 5,275,719 km (0.093 R)
• M9: 6,060,958 km (0.047 R)
• M10: 6,922,043 km (0.026 R)
• M11: 8,203,498 km (0.105 R)
• M12: 8,824,629 km (0.088 R)
• M13: 9,798,212 km (0.109 R)
• M14: 11,846,356 km (0.061 R)
• M15: 12,678,270 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 13.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.87 AU - 2.91 AU

Year: 2349 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,344,765 km

• M1: 171,738 km (0.082 R)
• M2: 659,727 km (0.026 R)
• M3: 1,217,876 km (0.069 R)
• M4: 1,730,548 km (0.064 R)
• M5: 2,642,347 km (0.109 R)
• M6: 3,256,297 km (0.112 R)
• M7: 4,038,694 km (0.1 R)
• M8: 5,954,594 km (0.108 R)
• M9: 6,588,141 km (0.114 R)
• M10: 7,071,791 km (0.077 R)
• M11: 7,783,128 km (0.098 R)
• M12: 8,541,739 km (0.098 R)
• M13: 9,892,159 km (0.067 R)
• M14: 11,079,069 km (0.094 R)
• M15: 13,562,842 km (0.073 R)
• M16: 16,397,572 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 12.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.02 AU - 5.06 AU

Year: 7194 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,344,765 km

• M1: 154,235 km (0.09 R)
• M2: 775,515 km (0.042 R)
• M3: 1,487,003 km (0.119 R)
• M4: 1,982,172 km (0.042 R)
• M5: 2,819,172 km (0.114 R)
• M6: 8,242,992 km (0.061 R)
• M7: 11,568,403 km (0.064 R)
• M8: 12,459,707 km (0.064 R)
• M9: 14,242,316 km (0.072 R)
• M10: 16,388,297 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.28 AU - 6.56 AU

Year: 8023 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,344,765 km

• M1: 102,475 km (0.109 R)
• M2: 968,796 km (0.05 R)
• M3: 1,615,956 km (0.036 R)
• M4: 1,964,818 km (0.118 R)
• M5: 2,692,462 km (0.03 R)
• M6: 3,166,089 km (0.099 R)
• M7: 4,232,573 km (0.076 R)
• M8: 4,520,848 km (0.079 R)
• M9: 6,014,134 km (0.092 R)
• M10: 6,472,801 km (0.109 R)
• M11: 8,544,432 km (0.115 R)
• M12: 11,803,571 km (0.077 R)
• M13: 13,943,270 km (0.101 R)
• M14: 15,243,724 km (0.115 R)
• M15: 16,329,056 km (0.11 R)
• M16: 18,845,442 km (0.061 R)
• M17: 27,179,240 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.2

Radius: 7.7

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.36 AU - 8.88 AU

Year: 14712 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,344,765 km

• M1: 118,182 km (0.08 R)
• M2: 492,626 km (0.098 R)
• M3: 846,874 km (0.116 R)
• M4: 2,840,415 km (0.111 R)
• M5: 4,049,315 km (0.088 R)
• M6: 4,826,775 km (0.037 R)
• M7: 5,096,799 km (0.107 R)
• M8: 6,105,089 km (0.11 R)
• M9: 6,601,754 km (0.106 R)
• M10: 7,515,348 km (0.031 R)
• M11: 9,176,034 km (0.051 R)
• M12: 9,498,118 km (0.056 R)
• M13: 10,760,874 km (0.053 R)
• M14: 12,802,735 km (0.074 R)
• M15: 13,147,110 km (0.097 R)
• M16: 17,285,585 km (0.058 R)
• M17: 17,990,939 km (0.073 R)
• M18: 18,423,277 km (0.105 R)
• M19: 24,428,285 km (0.089 R)
• M20: 25,768,233 km (0.082 R)
• M21: 31,723,874 km (0.084 R)
• M22: 33,425,550 km (0.067 R)
• M23: 36,204,779 km (0.09 R)
• M24: 37,591,851 km (0.077 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 12,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit