🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.74 AU - 0.86 AU

Year: 274 Days

Day: 42.5 Hours

Environment

Temp: 152 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.66 AU - 0.96 AU

Year: 279 Days

Day: 17.7 Hours

Environment

Temp: 46 °C

Axial Tilt: 133.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.72 AU - 0.9 AU

Year: 279 Days

Day: 23.3 Hours

Environment

Temp: 43 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,483,265 km

• M1: 616,792 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.52 AU

Year: 587 Days

Day: 46.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.92 AU - 2.08 AU

Year: 1083 Days

Day: 24.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,483,265 km

• M1: 64,776 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.95 AU - 2.79 AU

Year: 1397 Days

Day: 43.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 9.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.17 AU - 8.27 AU

Year: 7428 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,483,265 km

• M1: 125,213 km (0.083 R)
• M2: 444,156 km (0.119 R)
• M3: 766,689 km (0.083 R)
• M4: 1,400,386 km (0.078 R)
• M5: 1,783,955 km (0.034 R)
• M6: 2,172,759 km (0.058 R)
• M7: 2,843,407 km (0.11 R)
• M8: 3,312,845 km (0.089 R)
• M9: 4,513,368 km (0.12 R)
• M10: 5,666,019 km (0.073 R)
• M11: 9,391,306 km (0.113 R)
• M12: 10,912,566 km (0.045 R)
• M13: 11,504,525 km (0.032 R)
• M14: 11,859,670 km (0.048 R)
• M15: 12,806,625 km (0.09 R)
• M16: 15,701,045 km (0.113 R)
• M17: 16,712,625 km (0.076 R)
• M18: 21,730,736 km (0.102 R)
• M19: 22,667,817 km (0.096 R)
• M20: 23,307,348 km (0.118 R)
• M21: 24,289,159 km (0.067 R)
• M22: 26,073,263 km (0.06 R)
• M23: 27,761,326 km (0.079 R)
• M24: 32,549,654 km (0.102 R)
• M25: 34,191,192 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 8.6

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.39 AU - 10.29 AU

Year: 11818 Days

Day: 10.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,483,265 km

• M1: 141,819 km (0.119 R)
• M2: 516,861 km (0.111 R)
• M3: 910,004 km (0.119 R)
• M4: 1,277,715 km (0.11 R)
• M5: 1,928,167 km (0.073 R)
• M6: 2,607,640 km (0.051 R)
• M7: 4,014,758 km (0.097 R)
• M8: 5,083,934 km (0.115 R)
• M9: 5,648,217 km (0.1 R)
• M10: 13,198,571 km (0.093 R)
• M11: 17,328,819 km (0.115 R)
• M12: 20,457,958 km (0.09 R)
• M13: 21,340,136 km (0.107 R)
• M14: 22,524,503 km (0.085 R)
• M15: 25,524,837 km (0.09 R)
• M16: 26,546,890 km (0.1 R)
• M17: 45,468,029 km (0.074 R)
• M18: 46,064,176 km (0.049 R)
• M19: 46,665,560 km (0.081 R)
• M20: 47,730,547 km (0.08 R)
• M21: 53,299,926 km (0.092 R)
• M22: 54,967,344 km (0.108 R)
• M23: 55,813,918 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 11

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.63 AU - 11.17 AU

Year: 12842 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,483,265 km

• M1: 137,331 km (0.052 R)
• M2: 521,797 km (0.119 R)
• M3: 1,029,383 km (0.079 R)
• M4: 2,644,741 km (0.119 R)
• M5: 3,262,131 km (0.076 R)
• M6: 4,268,925 km (0.069 R)
• M7: 4,725,647 km (0.083 R)
• M8: 5,439,229 km (0.089 R)
• M9: 6,081,602 km (0.111 R)
• M10: 7,198,201 km (0.081 R)
• M11: 9,215,229 km (0.1 R)
• M12: 10,787,951 km (0.105 R)
• M13: 12,475,415 km (0.101 R)
• M14: 18,142,332 km (0.086 R)
• M15: 18,661,736 km (0.119 R)
• M16: 19,038,723 km (0.116 R)
• M17: 22,835,666 km (0.111 R)
• M18: 23,528,753 km (0.05 R)
• M19: 25,414,883 km (0.078 R)
• M20: 28,778,890 km (0.105 R)
• M21: 29,587,616 km (0.109 R)
• M22: 30,411,302 km (0.12 R)
• M23: 39,508,947 km (0.025 R)
• M24: 44,003,166 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 14,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit