🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 141 Days

Day: 24.2 Hours

Environment

Temp: 198 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.68 AU - 0.86 AU

Year: 240 Days

Day: 44.6 Hours

Environment

Temp: 142 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.16 AU - 1.62 AU

Year: 581 Days

Day: 20.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.39 AU - 1.85 AU

Year: 731 Days

Day: 17.4 Hours

Environment

Temp: -32 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.59 AU - 2.01 AU

Year: 857 Days

Day: 28.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,183,796 km

• M1: 33,660 km (0.051 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.81 AU - 2.61 AU

Year: 1166 Days

Day: 13.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 10.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.5 AU - 12.76 AU

Year: 12295 Days

Day: 8.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,183,796 km

• M1: 128,056 km (0.044 R)
• M2: 635,791 km (0.116 R)
• M3: 1,127,220 km (0.117 R)
• M4: 1,609,972 km (0.091 R)
• M5: 1,954,047 km (0.114 R)
• M6: 2,715,800 km (0.081 R)
• M7: 3,688,485 km (0.063 R)
• M8: 6,988,764 km (0.116 R)
• M9: 8,370,450 km (0.105 R)
• M10: 8,753,420 km (0.076 R)
• M11: 10,550,240 km (0.041 R)
• M12: 11,098,516 km (0.059 R)
• M13: 11,509,312 km (0.104 R)
• M14: 13,369,263 km (0.075 R)
• M15: 15,484,876 km (0.116 R)
• M16: 15,933,370 km (0.12 R)
• M17: 19,099,759 km (0.097 R)
• M18: 20,598,729 km (0.076 R)
• M19: 22,417,989 km (0.082 R)
• M20: 24,600,622 km (0.065 R)
• M21: 25,388,105 km (0.107 R)
• M22: 29,384,463 km (0.115 R)
• M23: 31,787,902 km (0.098 R)
• M24: 33,354,940 km (0.094 R)
• M25: 35,968,414 km (0.105 R)
• M26: 37,554,301 km (0.118 R)
• M27: 38,364,524 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.5

Radius: 6

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 10.93 AU - 16.95 AU

Year: 18464 Days

Day: 21.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,183,796 km

• M1: 74,649 km (0.049 R)
• M2: 2,026,453 km (0.105 R)
• M3: 2,510,851 km (0.103 R)
• M4: 3,546,666 km (0.114 R)
• M5: 3,872,790 km (0.082 R)
• M6: 6,150,417 km (0.08 R)
• M7: 6,783,964 km (0.097 R)
• M8: 8,320,185 km (0.106 R)
• M9: 11,941,500 km (0.04 R)
• M10: 13,115,096 km (0.054 R)
• M11: 17,246,989 km (0.082 R)
• M12: 20,753,413 km (0.099 R)
• M13: 22,261,659 km (0.096 R)
• M14: 23,746,418 km (0.09 R)
• M15: 26,095,703 km (0.089 R)
• M16: 27,118,653 km (0.098 R)
• M17: 38,991,937 km (0.114 R)
• M18: 43,657,296 km (0.071 R)
• M19: 45,388,892 km (0.101 R)
• M20: 50,700,065 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.2

Radius: 7.5

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 11.43 AU - 16.97 AU

Year: 18983 Days

Day: 17.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,183,796 km

• M1: 93,648 km (0.112 R)
• M2: 428,897 km (0.094 R)
• M3: 925,712 km (0.037 R)
• M4: 2,127,282 km (0.088 R)
• M5: 2,633,671 km (0.115 R)
• M6: 3,643,307 km (0.096 R)
• M7: 4,401,768 km (0.065 R)
• M8: 9,661,778 km (0.066 R)
• M9: 12,478,557 km (0.105 R)
• M10: 12,822,033 km (0.095 R)
• M11: 13,890,162 km (0.095 R)
• M12: 17,792,572 km (0.105 R)
• M13: 18,492,242 km (0.109 R)
• M14: 23,494,645 km (0.045 R)
• M15: 24,336,582 km (0.099 R)
• M16: 29,089,755 km (0.114 R)
• M17: 31,303,504 km (0.091 R)
• M18: 32,193,911 km (0.078 R)
• M19: 37,466,637 km (0.063 R)
• M20: 57,622,108 km (0.097 R)
• M21: 62,890,346 km (0.091 R)
• M22: 65,125,638 km (0.104 R)
• M23: 65,537,630 km (0.106 R)
• M24: 73,477,238 km (0.09 R)
• M25: 74,597,128 km (0.108 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit