🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.78 AU - 1.26 AU

Year: 397 Days

Day: 45.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.62 AU - 1.74 AU

Year: 838 Days

Day: 19.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,289,071 km

• M1: 344,075 km (0.085 R)
• M2: 640,129 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.61 AU - 1.75 AU

Year: 838 Days

Day: 29.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.49 AU - 3.81 AU

Year: 2152 Days

Day: 32.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 158.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.4

Radius: 14.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.55 AU - 5.69 AU

Year: 3823 Days

Day: 11.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,289,071 km

• M1: 184,005 km (0.096 R)
• M2: 743,651 km (0.03 R)
• M3: 1,260,512 km (0.064 R)
• M4: 1,747,902 km (0.112 R)
• M5: 2,334,176 km (0.052 R)
• M6: 2,980,289 km (0.096 R)
• M7: 3,443,294 km (0.09 R)
• M8: 4,129,200 km (0.086 R)
• M9: 5,693,545 km (0.082 R)
• M10: 11,763,629 km (0.1 R)
• M11: 13,080,389 km (0.118 R)
• M12: 17,981,814 km (0.1 R)
• M13: 18,469,353 km (0.104 R)
• M14: 19,154,212 km (0.03 R)
• M15: 22,835,965 km (0.082 R)
• M16: 24,955,917 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 9.3

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.04 AU - 8.44 AU

Year: 8290 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,289,071 km

• M1: 120,426 km (0.109 R)
• M2: 471,682 km (0.089 R)
• M3: 1,155,195 km (0.12 R)
• M4: 1,763,908 km (0.118 R)
• M5: 2,553,785 km (0.115 R)
• M6: 3,417,563 km (0.109 R)
• M7: 4,638,581 km (0.099 R)
• M8: 6,022,661 km (0.12 R)
• M9: 6,527,703 km (0.112 R)
• M10: 7,581,321 km (0.101 R)
• M11: 12,886,809 km (0.083 R)
• M12: 14,793,434 km (0.084 R)
• M13: 15,982,887 km (0.101 R)
• M14: 17,163,812 km (0.084 R)
• M15: 18,701,679 km (0.09 R)
• M16: 23,074,574 km (0.108 R)
• M17: 32,123,899 km (0.118 R)
• M18: 45,025,219 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 11.8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.56 AU - 8.26 AU

Year: 8565 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,289,071 km

• M1: 146,756 km (0.062 R)
• M2: 656,435 km (0.1 R)
• M3: 1,069,326 km (0.08 R)
• M4: 1,851,423 km (0.115 R)
• M5: 2,899,057 km (0.072 R)
• M6: 3,294,744 km (0.087 R)
• M7: 3,751,765 km (0.101 R)
• M8: 4,417,924 km (0.082 R)
• M9: 5,036,960 km (0.102 R)
• M10: 5,514,028 km (0.111 R)
• M11: 6,821,065 km (0.076 R)
• M12: 7,446,384 km (0.108 R)
• M13: 11,811,649 km (0.098 R)
• M14: 12,201,053 km (0.095 R)
• M15: 15,632,828 km (0.095 R)
• M16: 16,170,632 km (0.115 R)
• M17: 17,858,395 km (0.118 R)
• M18: 19,275,686 km (0.119 R)
• M19: 20,766,728 km (0.106 R)
• M20: 21,171,539 km (0.099 R)
• M21: 22,929,614 km (0.065 R)
• M22: 26,830,079 km (0.07 R)
• M23: 27,310,587 km (0.036 R)
• M24: 29,290,216 km (0.093 R)
• M25: 34,541,550 km (0.094 R)
• M26: 41,147,044 km (0.068 R)
• M27: 41,529,865 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 6.5

Gravity: 16.82 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 13.15 AU - 15.15 AU

Year: 20493 Days

Day: 22.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,289,071 km

• M1: 89,011 km (0.118 R)
• M2: 360,980 km (0.075 R)
• M3: 744,848 km (0.06 R)
• M4: 2,365,890 km (0.101 R)
• M5: 2,691,864 km (0.076 R)
• M6: 4,338,488 km (0.11 R)
• M7: 4,578,742 km (0.025 R)
• M8: 5,958,334 km (0.087 R)
• M9: 6,255,585 km (0.08 R)
• M10: 6,652,468 km (0.094 R)
• M11: 7,351,090 km (0.116 R)
• M12: 7,643,703 km (0.075 R)
• M13: 9,003,099 km (0.098 R)
• M14: 9,566,485 km (0.114 R)
• M15: 10,888,331 km (0.093 R)
• M16: 14,186,665 km (0.082 R)
• M17: 14,640,844 km (0.032 R)
• M18: 16,389,494 km (0.082 R)
• M19: 18,720,079 km (0.066 R)
• M20: 19,729,865 km (0.099 R)
• M21: 20,775,404 km (0.118 R)
• M22: 23,184,229 km (0.116 R)
• M23: 24,563,671 km (0.055 R)
• M24: 26,109,466 km (0.091 R)
• M25: 28,548,210 km (0.078 R)
• M26: 32,811,750 km (0.073 R)
• M27: 36,344,803 km (0.069 R)
• M28: 36,626,645 km (0.107 R)
• M29: 37,624,612 km (0.103 R)
• M30: 40,424,486 km (0.091 R)
• M31: 50,522,941 km (0.094 R)
• M32: 54,291,162 km (0.106 R)
• M33: 55,587,726 km (0.115 R)
• M34: 61,179,396 km (0.059 R)
• M35: 62,583,222 km (0.093 R)
• M36: 67,558,997 km (0.03 R)
• M37: 72,792,080 km (0.106 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: 508 - 16,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit