🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.53 AU - 0.57 AU

Year: 154 Days

Day: 32.9 Hours

Environment

Temp: 195 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.82 AU - 1.16 AU

Year: 371 Days

Day: 34.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.99 AU - 1.31 AU

Year: 465 Days

Day: 32.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.1 AU - 2.12 AU

Year: 1155 Days

Day: 26.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 83.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.26 AU - 3.36 AU

Year: 1775 Days

Day: 20.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.4

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.12 AU - 5.28 AU

Year: 4467 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,553,114 km

• M1: 184,305 km (0.045 R)
• M2: 818,749 km (0.1 R)
• M3: 1,707,360 km (0.093 R)
• M4: 2,972,958 km (0.092 R)
• M5: 3,889,844 km (0.116 R)
• M6: 4,517,108 km (0.058 R)
• M7: 5,062,093 km (0.034 R)
• M8: 5,545,294 km (0.113 R)
• M9: 7,730,769 km (0.079 R)
• M10: 8,835,250 km (0.054 R)
• M11: 9,769,339 km (0.09 R)
• M12: 11,144,443 km (0.119 R)
• M13: 11,703,191 km (0.06 R)
• M14: 14,028,540 km (0.106 R)
• M15: 15,091,732 km (0.113 R)
• M16: 15,829,998 km (0.1 R)
• M17: 22,090,220 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 14

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.23 AU - 8.05 AU

Year: 6446 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,553,114 km

• M1: 174,581 km (0.066 R)
• M2: 756,516 km (0.047 R)
• M3: 1,353,262 km (0.078 R)
• M4: 1,876,107 km (0.109 R)
• M5: 2,429,170 km (0.098 R)
• M6: 3,029,357 km (0.102 R)
• M7: 4,320,087 km (0.086 R)
• M8: 4,861,482 km (0.096 R)
• M9: 6,693,308 km (0.087 R)
• M10: 7,534,646 km (0.091 R)
• M11: 8,363,419 km (0.116 R)
• M12: 11,118,712 km (0.09 R)
• M13: 11,983,687 km (0.056 R)
• M14: 14,021,360 km (0.111 R)
• M15: 15,647,638 km (0.117 R)
• M16: 18,986,513 km (0.076 R)
• M17: 21,434,084 km (0.068 R)
• M18: 22,613,513 km (0.119 R)
• M19: 24,085,407 km (0.054 R)
• M20: 27,219,482 km (0.12 R)
• M21: 28,884,357 km (0.097 R)
• M22: 30,812,673 km (0.106 R)
• M23: 32,825,513 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 10.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.38 AU - 9.42 AU

Year: 10857 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,553,114 km

• M1: 128,505 km (0.065 R)
• M2: 579,542 km (0.077 R)
• M3: 1,084,435 km (0.076 R)
• M4: 3,688,036 km (0.111 R)
• M5: 4,277,302 km (0.065 R)
• M6: 5,850,773 km (0.093 R)
• M7: 9,026,736 km (0.1 R)
• M8: 11,305,111 km (0.119 R)
• M9: 12,029,015 km (0.115 R)
• M10: 21,388,157 km (0.115 R)
• M11: 22,755,781 km (0.117 R)
• M12: 23,999,388 km (0.084 R)
• M13: 28,203,088 km (0.1 R)
• M14: 31,443,528 km (0.068 R)
• M15: 31,769,651 km (0.079 R)
• M16: 38,778,162 km (0.087 R)
• M17: 39,784,207 km (0.084 R)
• M18: 42,111,202 km (0.094 R)
• M19: 46,188,941 km (0.03 R)
• M20: 46,610,657 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.4

Radius: 7

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 13.34 AU - 16.48 AU

Year: 21689 Days

Day: 20.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,553,114 km

• M1: 87,066 km (0.096 R)
• M2: 342,878 km (0.112 R)
• M3: 755,768 km (0.119 R)
• M4: 1,571,825 km (0.083 R)
• M5: 1,847,235 km (0.12 R)
• M6: 2,069,537 km (0.056 R)
• M7: 2,520,126 km (0.038 R)
• M8: 4,553,460 km (0.056 R)
• M9: 4,848,766 km (0.107 R)
• M10: 6,293,433 km (0.074 R)
• M11: 7,187,729 km (0.1 R)
• M12: 7,639,814 km (0.059 R)
• M13: 12,314,598 km (0.074 R)
• M14: 17,418,877 km (0.111 R)
• M15: 21,135,038 km (0.102 R)
• M16: 24,329,850 km (0.101 R)
• M17: 25,347,714 km (0.052 R)
• M18: 29,196,867 km (0.08 R)
• M19: 34,112,802 km (0.057 R)
• M20: 36,108,288 km (0.1 R)
• M21: 39,862,896 km (0.079 R)
• M22: 51,559,056 km (0.063 R)
• M23: 76,988,749 km (0.038 R)
• M24: 79,176,618 km (0.071 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: 301 - 15,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit