🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.43 AU - 0.59 AU

Year: 135 Days

Day: 41.4 Hours

Environment

Temp: 242 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.01 AU - 1.57 AU

Year: 543 Days

Day: 37.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.41 AU - 1.69 AU

Year: 716 Days

Day: 47.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.1 AU - 4.36 AU

Year: 2672 Days

Day: 33.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.08 AU - 5.1 AU

Year: 3068 Days

Day: 15.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 9.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.87 AU - 7.17 AU

Year: 6898 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,450,710 km

• M1: 113,395 km (0.116 R)
• M2: 434,731 km (0.05 R)
• M3: 1,619,696 km (0.09 R)
• M4: 2,164,831 km (0.106 R)
• M5: 2,577,871 km (0.048 R)
• M6: 2,992,257 km (0.117 R)
• M7: 3,854,539 km (0.064 R)
• M8: 10,784,062 km (0.103 R)
• M9: 12,517,003 km (0.059 R)
• M10: 14,575,171 km (0.079 R)
• M11: 18,014,127 km (0.116 R)
• M12: 20,689,086 km (0.082 R)
• M13: 21,001,746 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 14

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.79 AU - 11.51 AU

Year: 13808 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,450,710 km

• M1: 174,132 km (0.082 R)
• M2: 891,005 km (0.111 R)
• M3: 1,476,681 km (0.113 R)
• M4: 1,999,824 km (0.075 R)
• M5: 2,561,714 km (0.104 R)
• M6: 4,398,028 km (0.054 R)
• M7: 7,122,654 km (0.046 R)
• M8: 9,144,020 km (0.108 R)
• M9: 9,770,835 km (0.099 R)
• M10: 10,538,272 km (0.077 R)
• M11: 12,633,241 km (0.101 R)
• M12: 13,678,332 km (0.033 R)
• M13: 14,429,612 km (0.081 R)
• M14: 15,718,248 km (0.057 R)
• M15: 17,160,521 km (0.095 R)
• M16: 18,855,166 km (0.076 R)
• M17: 19,529,404 km (0.076 R)
• M18: 22,016,319 km (0.105 R)
• M19: 25,008,426 km (0.091 R)
• M20: 25,617,439 km (0.109 R)
• M21: 26,132,504 km (0.117 R)
• M22: 27,827,149 km (0.067 R)
• M23: 29,145,555 km (0.107 R)
• M24: 30,047,331 km (0.107 R)
• M25: 33,472,823 km (0.082 R)
• M26: 34,837,754 km (0.099 R)
• M27: 40,809,701 km (0.077 R)
• M28: 44,258,081 km (0.099 R)
• M29: 45,901,863 km (0.073 R)
• M30: 57,152,071 km (0.097 R)
• M31: 58,742,895 km (0.044 R)
• M32: 60,000,415 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.4

Radius: 5

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.26 AU - 15.32 AU

Year: 22173 Days

Day: 21.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,450,710 km

• M1: 83,326 km (0.108 R)
• M2: 324,328 km (0.116 R)
• M3: 592,108 km (0.092 R)
• M4: 752,028 km (0.118 R)
• M5: 1,243,158 km (0.03 R)
• M6: 1,657,544 km (0.109 R)
• M7: 2,078,962 km (0.108 R)
• M8: 2,614,821 km (0.087 R)
• M9: 2,877,814 km (0.068 R)
• M10: 3,924,551 km (0.101 R)
• M11: 4,141,916 km (0.055 R)
• M12: 4,807,776 km (0.112 R)
• M13: 5,776,572 km (0.117 R)
• M14: 6,099,105 km (0.118 R)
• M15: 7,701,598 km (0.102 R)
• M16: 11,709,325 km (0.12 R)
• M17: 14,445,170 km (0.095 R)
• M18: 20,761,940 km (0.072 R)
• M19: 24,205,384 km (0.081 R)
• M20: 24,937,067 km (0.1 R)
• M21: 25,148,748 km (0.095 R)
• M22: 29,284,681 km (0.12 R)
• M23: 36,918,062 km (0.062 R)
• M24: 37,886,708 km (0.117 R)
• M25: 43,442,324 km (0.107 R)
• M26: 46,094,246 km (0.105 R)
• M27: 46,413,188 km (0.087 R)
• M28: 46,733,627 km (0.103 R)
• M29: 46,894,445 km (0.119 R)
• M30: 47,055,561 km (0.09 R)
• M31: 50,187,393 km (0.087 R)
• M32: 55,231,085 km (0.103 R)
• M33: 59,087,269 km (0.065 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: 522 - 16,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit