🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.59 AU - 0.81 AU

Year: 221 Days

Day: 42.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 12.5 °

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: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.81 AU - 0.89 AU

Year: 295 Days

Day: 32.5 Hours

Environment

Temp: 96 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.11 AU - 1.35 AU

Year: 514 Days

Day: 36.5 Hours

Environment

Temp: -1 °C

Axial Tilt: 45.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.41 AU - 3.53 AU

Year: 1928 Days

Day: 14.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 11.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.32 AU - 5.24 AU

Year: 3937 Days

Day: 10.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,070,359 km

• M1: 145,708 km (0.064 R)
• M2: 565,929 km (0.09 R)
• M3: 998,566 km (0.043 R)
• M4: 2,635,166 km (0.052 R)
• M5: 4,657,879 km (0.115 R)
• M6: 5,643,580 km (0.118 R)
• M7: 6,258,277 km (0.068 R)
• M8: 8,267,975 km (0.1 R)
• M9: 8,694,778 km (0.039 R)
• M10: 9,945,266 km (0.107 R)
• M11: 11,573,340 km (0.112 R)
• M12: 14,465,815 km (0.095 R)
• M13: 16,216,708 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 11.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.47 AU - 7.81 AU

Year: 6446 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,070,359 km

• M1: 170,691 km (0.086 R)
• M2: 1,675,795 km (0.077 R)
• M3: 2,340,758 km (0.08 R)
• M4: 2,811,991 km (0.09 R)
• M5: 3,196,159 km (0.108 R)
• M6: 4,326,819 km (0.044 R)
• M7: 5,551,128 km (0.038 R)
• M8: 9,142,225 km (0.107 R)
• M9: 13,934,294 km (0.082 R)
• M10: 14,639,199 km (0.116 R)
• M11: 15,866,649 km (0.084 R)
• M12: 16,897,229 km (0.108 R)
• M13: 18,040,456 km (0.12 R)
• M14: 20,705,991 km (0.044 R)
• M15: 21,238,260 km (0.11 R)
• M16: 23,295,979 km (0.097 R)
• M17: 26,094,656 km (0.03 R)
• M18: 26,716,085 km (0.096 R)
• M19: 30,262,452 km (0.112 R)
• M20: 36,925,242 km (0.102 R)
• M21: 37,483,691 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.28 AU - 11.38 AU

Year: 10736 Days

Day: 10.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,070,359 km

• M1: 185,352 km (0.11 R)
• M2: 695,032 km (0.069 R)
• M3: 1,180,926 km (0.108 R)
• M4: 1,874,013 km (0.111 R)
• M5: 3,071,693 km (0.067 R)
• M6: 4,040,788 km (0.101 R)
• M7: 4,523,391 km (0.097 R)
• M8: 6,246,010 km (0.044 R)
• M9: 6,816,277 km (0.053 R)
• M10: 15,879,814 km (0.052 R)
• M11: 17,984,357 km (0.065 R)
• M12: 20,105,505 km (0.084 R)
• M13: 21,695,132 km (0.056 R)
• M14: 22,476,631 km (0.053 R)
• M15: 25,985,449 km (0.11 R)
• M16: 28,380,960 km (0.103 R)
• M17: 39,829,087 km (0.064 R)
• M18: 42,330,812 km (0.062 R)
• M19: 45,075,634 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.4

Radius: 5.1

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 12.86 AU - 13.66 AU

Year: 18190 Days

Day: 21.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,070,359 km

• M1: 63,579 km (0.1 R)
• M2: 254,616 km (0.084 R)
• M3: 802,293 km (0.105 R)
• M4: 981,811 km (0.076 R)
• M5: 1,241,064 km (0.068 R)
• M6: 1,576,612 km (0.077 R)
• M7: 1,774,380 km (0.097 R)
• M8: 2,220,332 km (0.064 R)
• M9: 4,738,213 km (0.056 R)
• M10: 6,375,263 km (0.076 R)
• M11: 7,186,383 km (0.115 R)
• M12: 8,112,393 km (0.078 R)
• M13: 9,431,697 km (0.08 R)
• M14: 10,142,287 km (0.112 R)
• M15: 10,654,660 km (0.094 R)
• M16: 13,209,043 km (0.111 R)
• M17: 14,307,840 km (0.059 R)
• M18: 16,763,937 km (0.118 R)
• M19: 20,189,280 km (0.105 R)
• M20: 20,907,948 km (0.087 R)
• M21: 21,181,862 km (0.089 R)
• M22: 22,875,609 km (0.084 R)
• M23: 24,759,046 km (0.083 R)
• M24: 26,529,836 km (0.087 R)
• M25: 31,501,721 km (0.108 R)
• M26: 38,956,931 km (0.096 R)
• M27: 43,533,878 km (0.085 R)
• M28: 49,742,489 km (0.098 R)
• M29: 54,941,314 km (0.08 R)
• M30: 63,687,105 km (0.075 R)
• M31: 63,878,590 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 12,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit