🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.59 AU

Year: 181 Days

Day: 37.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.8 AU - 1.1 AU

Year: 410 Days

Day: 25.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.08 AU - 1.32 AU

Year: 582 Days

Day: 32.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.45 AU - 1.51 AU

Year: 797 Days

Day: 21.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.97 AU - 2.35 AU

Year: 1406 Days

Day: 47.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,809,211 km

• M1: 651,499 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.22 AU - 2.56 AU

Year: 1637 Days

Day: 44.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 10

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.28 AU - 2.84 AU

Year: 1814 Days

Day: 8.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,809,211 km

• M1: 126,560 km (0.054 R)
• M2: 465,698 km (0.058 R)
• M3: 1,177,934 km (0.08 R)
• M4: 1,600,996 km (0.098 R)
• M5: 2,196,396 km (0.088 R)
• M6: 3,526,022 km (0.063 R)
• M7: 4,221,951 km (0.116 R)
• M8: 4,562,585 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.6

Radius: 7.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.92 AU - 10.44 AU

Year: 14387 Days

Day: 16.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,809,211 km

• M1: 101,727 km (0.069 R)
• M2: 1,089,372 km (0.07 R)
• M3: 1,482,066 km (0.088 R)
• M4: 1,779,317 km (0.105 R)
• M5: 3,250,313 km (0.063 R)
• M6: 3,606,655 km (0.106 R)
• M7: 9,292,721 km (0.111 R)
• M8: 10,310,136 km (0.099 R)
• M9: 11,399,956 km (0.104 R)
• M10: 15,128,683 km (0.053 R)
• M11: 21,346,569 km (0.082 R)
• M12: 23,369,132 km (0.106 R)
• M13: 25,516,161 km (0.106 R)
• M14: 27,596,618 km (0.089 R)
• M15: 41,728,980 km (0.084 R)
• M16: 43,283,601 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.6

Radius: 7.5

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 12.05 AU - 12.05 AU

Year: 18527 Days

Day: 15.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,809,211 km

• M1: 94,695 km (0.091 R)
• M2: 342,130 km (0.12 R)
• M3: 1,388,867 km (0.094 R)
• M4: 2,790,898 km (0.099 R)
• M5: 3,173,270 km (0.082 R)
• M6: 4,399,075 km (0.082 R)
• M7: 5,248,492 km (0.079 R)
• M8: 5,515,823 km (0.11 R)
• M9: 6,161,039 km (0.101 R)
• M10: 8,245,685 km (0.103 R)
• M11: 9,929,409 km (0.052 R)
• M12: 10,638,802 km (0.09 R)
• M13: 10,944,131 km (0.047 R)
• M14: 13,530,529 km (0.092 R)
• M15: 15,778,237 km (0.095 R)
• M16: 16,907,851 km (0.074 R)
• M17: 19,236,790 km (0.085 R)
• M18: 21,869,563 km (0.07 R)
• M19: 26,588,628 km (0.067 R)
• M20: 29,243,990 km (0.103 R)
• M21: 29,843,728 km (0.036 R)
• M22: 30,820,453 km (0.088 R)
• M23: 34,141,974 km (0.089 R)
• M24: 34,673,196 km (0.119 R)
• M25: 40,589,343 km (0.105 R)
• M26: 42,548,477 km (0.103 R)
• M27: 44,886,392 km (0.105 R)
• M28: 45,523,978 km (0.042 R)
• M29: 46,167,698 km (0.06 R)
• M30: 47,144,423 km (0.062 R)
• M31: 55,826,784 km (0.078 R)
• M32: 66,336,782 km (0.067 R)
• M33: 69,899,755 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 14,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit