🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.49 AU - 0.55 AU

Year: 136 Days

Day: 37.4 Hours

Environment

Temp: 238 °C

Axial Tilt: 44.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,634,831 km

• M1: 257,159 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.77 AU - 1.21 AU

Year: 356 Days

Day: 16.2 Hours

Environment

Temp: 46 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 71,634,831 km

• M1: 220,657 km (0.084 R)
• M2: 365,019 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.4 AU - 2.02 AU

Year: 809 Days

Day: 36.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.01 AU - 2.43 AU

Year: 1196 Days

Day: 39.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.41 AU - 3.11 AU

Year: 1658 Days

Day: 35.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.25 AU - 3.55 AU

Year: 2267 Days

Day: 40.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.28 AU - 4.74 AU

Year: 2904 Days

Day: 37.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.9

Radius: 10.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.73 AU - 11.89 AU

Year: 12854 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,634,831 km

• M1: 130,599 km (0.085 R)
• M2: 472,580 km (0.115 R)
• M3: 844,929 km (0.033 R)
• M4: 1,753,137 km (0.111 R)
• M5: 2,761,577 km (0.055 R)
• M6: 3,127,792 km (0.09 R)
• M7: 4,229,581 km (0.104 R)
• M8: 5,673,948 km (0.077 R)
• M9: 6,453,054 km (0.108 R)
• M10: 7,879,619 km (0.1 R)
• M11: 9,896,049 km (0.092 R)
• M12: 14,027,194 km (0.098 R)
• M13: 22,870,971 km (0.103 R)
• M14: 29,196,119 km (0.092 R)
• M15: 32,371,932 km (0.057 R)
• M16: 32,812,049 km (0.113 R)
• M17: 33,367,805 km (0.09 R)
• M18: 34,957,582 km (0.052 R)
• M19: 36,241,580 km (0.082 R)
• M20: 37,556,695 km (0.113 R)
• M21: 39,526,151 km (0.12 R)
• M22: 43,136,696 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.8

Radius: 3

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 18.44 AU - 20.34 AU

Year: 30879 Days

Day: 19.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,634,831 km

• M1: 37,399 km (0.076 R)
• M2: 251,025 km (0.112 R)
• M3: 370,704 km (0.059 R)
• M4: 528,380 km (0.107 R)
• M5: 1,295,667 km (0.107 R)
• M6: 1,542,653 km (0.037 R)
• M7: 2,028,996 km (0.079 R)
• M8: 3,873,687 km (0.056 R)
• M9: 4,028,371 km (0.099 R)
• M10: 6,177,943 km (0.054 R)
• M11: 7,614,083 km (0.103 R)
• M12: 8,879,980 km (0.1 R)
• M13: 10,939,643 km (0.103 R)
• M14: 11,062,613 km (0.068 R)
• M15: 11,311,394 km (0.051 R)
• M16: 11,691,373 km (0.091 R)
• M17: 13,226,995 km (0.111 R)
• M18: 13,507,192 km (0.059 R)
• M19: 14,444,871 km (0.112 R)
• M20: 14,592,973 km (0.089 R)
• M21: 15,425,186 km (0.058 R)
• M22: 17,854,955 km (0.108 R)
• M23: 18,982,623 km (0.073 R)
• M24: 19,518,782 km (0.105 R)
• M25: 20,064,964 km (0.058 R)
• M26: 20,809,064 km (0.076 R)
• M27: 26,428,259 km (0.111 R)
• M28: 31,715,646 km (0.064 R)
• M29: 33,494,066 km (0.115 R)
• M30: 35,876,561 km (0.113 R)
• M31: 36,012,247 km (0.092 R)
• M32: 37,946,397 km (0.084 R)
• M33: 44,318,220 km (0.099 R)
• M34: 48,829,044 km (0.102 R)
• M35: 51,194,935 km (0.102 R)
• M36: 51,884,730 km (0.025 R)
• M37: 52,580,660 km (0.059 R)
• M38: 57,256,491 km (0.113 R)
• M39: 57,999,693 km (0.098 R)
• M40: 69,930,273 km (0.114 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 16,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit