🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.62 AU - 0.86 AU

Year: 229 Days

Day: 40.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 102,290,132 km

• M1: 47,722 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.69 AU - 1.15 AU

Year: 318 Days

Day: 26.1 Hours

Environment

Temp: 84 °C

Axial Tilt: 133.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1 AU - 1.32 AU

Year: 450 Days

Day: 17.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 102,290,132 km

• M1: 74,350 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.91 AU - 3.11 AU

Year: 1879 Days

Day: 44.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.58 AU - 3.64 AU

Year: 2468 Days

Day: 23.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,290,132 km

• M1: 36,352 km (0.115 R)
• M2: 81,531 km (0.061 R)

Asteroid Belt

Center: 5.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 13.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.6 AU - 7.82 AU

Year: 6255 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 102,290,132 km

• M1: 232,625 km (0.106 R)
• M2: 853,306 km (0.107 R)
• M3: 1,692,550 km (0.094 R)
• M4: 2,645,489 km (0.07 R)
• M5: 3,790,062 km (0.062 R)
• M6: 4,877,938 km (0.093 R)
• M7: 6,109,128 km (0.104 R)
• M8: 6,978,142 km (0.049 R)
• M9: 7,474,358 km (0.116 R)
• M10: 10,925,132 km (0.096 R)
• M11: 13,253,623 km (0.059 R)
• M12: 16,539,989 km (0.083 R)
• M13: 19,533,742 km (0.117 R)
• M14: 21,481,057 km (0.066 R)
• M15: 22,268,690 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 12.2

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.78 AU - 11.34 AU

Year: 13237 Days

Day: 5.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 102,290,132 km

• M1: 151,991 km (0.081 R)
• M2: 791,672 km (0.094 R)
• M3: 1,202,468 km (0.116 R)
• M4: 1,911,113 km (0.062 R)
• M5: 2,548,549 km (0.105 R)
• M6: 3,073,638 km (0.116 R)
• M7: 3,697,760 km (0.103 R)
• M8: 4,959,169 km (0.096 R)
• M9: 6,207,863 km (0.084 R)
• M10: 6,779,028 km (0.111 R)
• M11: 7,340,618 km (0.118 R)
• M12: 8,656,032 km (0.047 R)
• M13: 9,110,660 km (0.069 R)
• M14: 9,634,552 km (0.049 R)
• M15: 12,307,716 km (0.104 R)
• M16: 13,079,192 km (0.072 R)
• M17: 25,529,176 km (0.113 R)
• M18: 26,361,239 km (0.111 R)
• M19: 27,426,526 km (0.114 R)
• M20: 35,960,336 km (0.102 R)
• M21: 41,248,920 km (0.083 R)
• M22: 42,975,130 km (0.112 R)
• M23: 46,725,100 km (0.075 R)
• M24: 47,189,302 km (0.087 R)
• M25: 51,014,220 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.3

Radius: 6.7

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 16.37 AU - 21.75 AU

Year: 29947 Days

Day: 23.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 102,290,132 km

• M1: 84,523 km (0.116 R)
• M2: 621,729 km (0.045 R)
• M3: 1,171,651 km (0.088 R)
• M4: 2,375,315 km (0.067 R)
• M5: 3,369,991 km (0.095 R)
• M6: 5,825,491 km (0.1 R)
• M7: 8,730,532 km (0.112 R)
• M8: 10,426,074 km (0.051 R)
• M9: 12,107,853 km (0.085 R)
• M10: 12,479,754 km (0.114 R)
• M11: 13,090,562 km (0.112 R)
• M12: 13,641,231 km (0.096 R)
• M13: 14,207,160 km (0.077 R)
• M14: 14,957,693 km (0.119 R)
• M15: 15,213,655 km (0.096 R)
• M16: 16,356,732 km (0.105 R)
• M17: 17,555,909 km (0.099 R)
• M18: 19,513,845 km (0.1 R)
• M19: 20,440,604 km (0.085 R)
• M20: 21,181,413 km (0.038 R)
• M21: 25,518,255 km (0.089 R)
• M22: 28,936,417 km (0.055 R)
• M23: 31,937,649 km (0.103 R)
• M24: 33,078,632 km (0.118 R)
• M25: 33,368,104 km (0.074 R)
• M26: 34,691,447 km (0.119 R)
• M27: 36,509,959 km (0.115 R)
• M28: 41,332,246 km (0.104 R)
• M29: 41,668,093 km (0.086 R)
• M30: 48,585,798 km (0.1 R)
• M31: 49,524,525 km (0.084 R)
• M32: 54,601,577 km (0.077 R)
• M33: 62,851,152 km (0.077 R)
• M34: 76,344,132 km (0.078 R)
• M35: 77,612,423 km (0.085 R)
• M36: 81,237,927 km (0.026 R)
• M37: 91,359,719 km (0.077 R)
• M38: 102,290,087 km (0.12 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 14,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit