🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.51 AU - 0.53 AU

Year: 143 Days

Day: 27.3 Hours

Environment

Temp: 140 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.66 AU - 1 AU

Year: 288 Days

Day: 39.1 Hours

Environment

Temp: 46 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.88 AU - 0.92 AU

Year: 325 Days

Day: 32.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.33 AU - 1.51 AU

Year: 644 Days

Day: 30.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,560,594 km

• M1: 20,794 km (0.116 R)
• M2: 434,432 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.46 AU - 1.9 AU

Year: 829 Days

Day: 32.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.75 AU - 3.83 AU

Year: 2810 Days

Day: 13.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 13.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.47 AU - 6.79 AU

Year: 5779 Days

Day: 10.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,560,594 km

• M1: 170,392 km (0.04 R)
• M2: 686,953 km (0.114 R)
• M3: 1,733,391 km (0.07 R)
• M4: 2,255,487 km (0.112 R)
• M5: 3,607,702 km (0.048 R)
• M6: 6,218,783 km (0.119 R)
• M7: 11,336,377 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.7

Radius: 7.8

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.82 AU - 13.06 AU

Year: 16708 Days

Day: 17.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,560,594 km

• M1: 97,538 km (0.067 R)
• M2: 352,453 km (0.11 R)
• M3: 634,145 km (0.117 R)
• M4: 1,106,725 km (0.058 R)
• M5: 1,495,380 km (0.083 R)
• M6: 1,814,473 km (0.038 R)
• M7: 2,178,743 km (0.044 R)
• M8: 2,462,231 km (0.055 R)
• M9: 2,957,999 km (0.114 R)
• M10: 3,281,130 km (0.107 R)
• M11: 3,795,747 km (0.097 R)
• M12: 4,683,760 km (0.1 R)
• M13: 5,089,320 km (0.115 R)
• M14: 5,481,416 km (0.107 R)
• M15: 5,741,267 km (0.098 R)
• M16: 7,523,127 km (0.116 R)
• M17: 8,368,355 km (0.069 R)
• M18: 9,645,323 km (0.115 R)
• M19: 10,988,861 km (0.089 R)
• M20: 13,973,638 km (0.111 R)
• M21: 14,460,130 km (0.075 R)
• M22: 21,760,656 km (0.053 R)
• M23: 25,672,939 km (0.106 R)
• M24: 25,984,103 km (0.066 R)
• M25: 28,786,221 km (0.054 R)
• M26: 29,915,535 km (0.106 R)
• M27: 30,723,513 km (0.06 R)
• M28: 41,583,720 km (0.099 R)
• M29: 45,401,907 km (0.119 R)
• M30: 48,020,916 km (0.087 R)
• M31: 52,885,540 km (0.111 R)
• M32: 55,091,809 km (0.111 R)
• M33: 55,436,633 km (0.059 R)
• M34: 56,654,808 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 3.1

Gravity: 76.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 13.79 AU - 14.47 AU

Year: 20226 Days

Day: 22.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,560,594 km

• M1: 38,596 km (0.082 R)
• M2: 164,258 km (0.065 R)
• M3: 330,910 km (0.027 R)
• M4: 818,899 km (0.095 R)
• M5: 1,236,277 km (0.109 R)
• M6: 1,914,254 km (0.092 R)
• M7: 2,734,051 km (0.111 R)
• M8: 3,671,581 km (0.102 R)
• M9: 4,625,117 km (0.07 R)
• M10: 4,914,739 km (0.056 R)
• M11: 7,289,755 km (0.06 R)
• M12: 7,933,474 km (0.084 R)
• M13: 9,853,862 km (0.097 R)
• M14: 10,639,401 km (0.108 R)
• M15: 11,336,078 km (0.112 R)
• M16: 14,051,130 km (0.115 R)
• M17: 18,752,542 km (0.074 R)
• M18: 24,837,435 km (0.088 R)
• M19: 30,209,944 km (0.097 R)
• M20: 35,607,884 km (0.105 R)
• M21: 41,306,366 km (0.079 R)
• M22: 44,774,344 km (0.076 R)
• M23: 59,015,612 km (0.076 R)
• M24: 60,191,152 km (0.067 R)
• M25: 65,674,812 km (0.083 R)
• M26: 75,537,799 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 18,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit