🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.44 AU - 0.68 AU

Year: 150 Days

Day: 16.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.68 AU - 1.02 AU

Year: 281 Days

Day: 39 Hours

Environment

Temp: 141 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,562,063 km

• M1: 25,581 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.91 AU - 1.41 AU

Year: 447 Days

Day: 19.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 106,562,063 km

• M1: 663,766 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.28 AU - 1.78 AU

Year: 678 Days

Day: 12 Hours

Environment

Temp: -37 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.83 AU - 4.33 AU

Year: 2426 Days

Day: 37 Hours

Environment

Temp: -113 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 106,562,063 km

• M1: 143,913 km (0.108 R)
• M2: 1,871,170 km (0.095 R)

Asteroid Belt

Center: 6.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.4

Radius: 13.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.75 AU - 9.83 AU

Year: 10971 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 106,562,063 km

• M1: 171,589 km (0.112 R)
• M2: 654,042 km (0.029 R)
• M3: 2,245,763 km (0.087 R)
• M4: 3,061,371 km (0.07 R)
• M5: 4,093,746 km (0.117 R)
• M6: 5,816,814 km (0.072 R)
• M7: 6,841,111 km (0.095 R)
• M8: 7,275,244 km (0.103 R)
• M9: 7,982,393 km (0.075 R)
• M10: 9,828,281 km (0.111 R)
• M11: 10,331,229 km (0.054 R)
• M12: 11,388,736 km (0.108 R)
• M13: 12,171,133 km (0.05 R)
• M14: 14,412,259 km (0.083 R)
• M15: 15,194,805 km (0.104 R)
• M16: 17,347,967 km (0.101 R)
• M17: 20,498,947 km (0.108 R)
• M18: 22,338,403 km (0.099 R)
• M19: 24,835,640 km (0.11 R)
• M20: 26,439,628 km (0.065 R)
• M21: 30,062,889 km (0.112 R)
• M22: 31,557,222 km (0.032 R)
• M23: 34,693,691 km (0.074 R)
• M24: 35,391,864 km (0.117 R)
• M25: 38,278,804 km (0.103 R)
• M26: 39,653,160 km (0.076 R)
• M27: 40,544,613 km (0.092 R)
• M28: 41,841,328 km (0.115 R)
• M29: 46,316,997 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 7.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 12.49 AU - 17.49 AU

Year: 20786 Days

Day: 21.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 106,562,063 km

• M1: 88,263 km (0.097 R)
• M2: 369,806 km (0.094 R)
• M3: 822,938 km (0.094 R)
• M4: 1,708,856 km (0.084 R)
• M5: 2,324,003 km (0.073 R)
• M6: 4,576,498 km (0.1 R)
• M7: 6,739,683 km (0.081 R)
• M8: 8,763,593 km (0.08 R)
• M9: 9,295,563 km (0.035 R)
• M10: 12,132,238 km (0.054 R)
• M11: 13,800,852 km (0.115 R)
• M12: 18,831,230 km (0.075 R)
• M13: 19,100,656 km (0.103 R)
• M14: 21,058,743 km (0.077 R)
• M15: 31,634,415 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.3

Radius: 4.6

Gravity: 45.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 17.5 AU - 19 AU

Year: 27923 Days

Day: 19.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 106,562,063 km

• M1: 57,296 km (0.084 R)
• M2: 1,319,603 km (0.047 R)
• M3: 2,016,878 km (0.097 R)
• M4: 2,224,221 km (0.115 R)
• M5: 4,507,234 km (0.116 R)
• M6: 9,191,742 km (0.062 R)
• M7: 9,633,654 km (0.025 R)
• M8: 10,765,661 km (0.063 R)
• M9: 12,818,892 km (0.099 R)
• M10: 13,937,286 km (0.119 R)
• M11: 16,184,096 km (0.034 R)
• M12: 16,827,816 km (0.098 R)
• M13: 20,730,226 km (0.115 R)
• M14: 22,605,285 km (0.075 R)
• M15: 22,947,416 km (0.087 R)
• M16: 25,440,315 km (0.117 R)
• M17: 25,686,702 km (0.093 R)
• M18: 26,184,415 km (0.1 R)
• M19: 28,371,236 km (0.095 R)
• M20: 29,306,073 km (0.088 R)
• M21: 29,712,979 km (0.049 R)
• M22: 30,123,626 km (0.107 R)
• M23: 31,519,673 km (0.112 R)
• M24: 32,958,206 km (0.057 R)
• M25: 35,197,387 km (0.104 R)
• M26: 37,376,729 km (0.115 R)
• M27: 47,739,074 km (0.038 R)
• M28: 47,926,371 km (0.051 R)
• M29: 65,695,606 km (0.081 R)
• M30: 68,511,636 km (0.08 R)
• M31: 74,634,826 km (0.102 R)
• M32: 93,991,744 km (0.057 R)
• M33: 100,605,914 km (0.077 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 19,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit