🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.51 AU - 0.81 AU

Year: 197 Days

Day: 36.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.9 AU - 0.96 AU

Year: 329 Days

Day: 41.6 Hours

Environment

Temp: 74 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.96 AU - 1.12 AU

Year: 389 Days

Day: 33 Hours

Environment

Temp: 14 °C

Axial Tilt: 9.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.99 AU - 1.17 AU

Year: 412 Days

Day: 30.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 85,293,174 km

• M1: 45,029 km (0.097 R)
• M2: 148,102 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.3 AU - 1.76 AU

Year: 695 Days

Day: 22.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.17 AU - 2.29 AU

Year: 1222 Days

Day: 30.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 10

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.59 AU - 9.57 AU

Year: 10044 Days

Day: 7.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,293,174 km

• M1: 124,316 km (0.058 R)
• M2: 644,019 km (0.084 R)
• M3: 1,109,717 km (0.094 R)
• M4: 1,421,629 km (0.112 R)
• M5: 1,878,201 km (0.028 R)
• M6: 2,197,742 km (0.031 R)
• M7: 2,718,343 km (0.056 R)
• M8: 3,516,298 km (0.113 R)
• M9: 4,105,265 km (0.086 R)
• M10: 4,489,432 km (0.11 R)
• M11: 5,039,055 km (0.031 R)
• M12: 7,396,717 km (0.044 R)
• M13: 8,608,759 km (0.103 R)
• M14: 12,927,650 km (0.117 R)
• M15: 13,983,212 km (0.109 R)
• M16: 17,495,022 km (0.038 R)
• M17: 19,135,213 km (0.12 R)
• M18: 24,171,276 km (0.065 R)
• M19: 26,639,491 km (0.076 R)
• M20: 27,348,884 km (0.119 R)
• M21: 28,898,120 km (0.077 R)
• M22: 30,697,932 km (0.043 R)
• M23: 31,477,636 km (0.069 R)
• M24: 32,170,723 km (0.077 R)
• M25: 33,896,185 km (0.096 R)
• M26: 35,575,720 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.8

Radius: 5.3

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 16.37 AU - 22.85 AU

Year: 31878 Days

Day: 17.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,293,174 km

• M1: 65,973 km (0.092 R)
• M2: 579,692 km (0.091 R)
• M3: 810,970 km (0.115 R)
• M4: 1,076,057 km (0.092 R)
• M5: 1,529,489 km (0.094 R)
• M6: 1,780,963 km (0.116 R)
• M7: 2,187,869 km (0.09 R)
• M8: 2,991,658 km (0.054 R)
• M9: 3,270,060 km (0.118 R)
• M10: 7,178,454 km (0.061 R)
• M11: 7,626,948 km (0.089 R)
• M12: 8,858,139 km (0.103 R)
• M13: 9,909,812 km (0.088 R)
• M14: 10,154,255 km (0.094 R)
• M15: 12,469,132 km (0.034 R)
• M16: 14,873,320 km (0.077 R)
• M17: 19,126,836 km (0.119 R)
• M18: 19,697,701 km (0.067 R)
• M19: 22,512,684 km (0.093 R)
• M20: 25,470,234 km (0.092 R)
• M21: 27,821,015 km (0.118 R)
• M22: 30,698,829 km (0.109 R)
• M23: 42,086,219 km (0.087 R)
• M24: 43,213,140 km (0.05 R)
• M25: 44,857,819 km (0.077 R)
• M26: 45,864,314 km (0.094 R)
• M27: 53,522,378 km (0.067 R)
• M28: 58,145,850 km (0.099 R)
• M29: 60,554,525 km (0.115 R)
• M30: 61,371,928 km (0.106 R)
• M31: 69,062,306 km (0.113 R)
• M32: 75,469,583 km (0.094 R)
• M33: 80,281,099 km (0.032 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 16,297 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit